diff --git a/common/actions/config/actionCreators.ts b/common/actions/config/actionCreators.ts
index 1fd60c9b..0c298680 100644
--- a/common/actions/config/actionCreators.ts
+++ b/common/actions/config/actionCreators.ts
@@ -1,9 +1,8 @@
 import * as interfaces from './actionTypes';
 import { TypeKeys } from './constants';
-import { NodeConfig, CustomNodeConfig, NetworkConfig, CustomNetworkConfig } from 'config';
 
-export type TToggleOfflineConfig = typeof toggleOfflineConfig;
-export function toggleOfflineConfig(): interfaces.ToggleOfflineAction {
+export type TToggleOffline = typeof toggleOffline;
+export function toggleOffline(): interfaces.ToggleOfflineAction {
   return {
     type: TypeKeys.CONFIG_TOGGLE_OFFLINE
   };
@@ -26,13 +25,11 @@ export function changeLanguage(sign: string): interfaces.ChangeLanguageAction {
 
 export type TChangeNode = typeof changeNode;
 export function changeNode(
-  nodeSelection: string,
-  node: NodeConfig,
-  network: NetworkConfig
+  payload: interfaces.ChangeNodeAction['payload']
 ): interfaces.ChangeNodeAction {
   return {
     type: TypeKeys.CONFIG_NODE_CHANGE,
-    payload: { nodeSelection, node, network }
+    payload
   };
 }
 
@@ -52,7 +49,9 @@ export function changeNodeIntent(payload: string): interfaces.ChangeNodeIntentAc
 }
 
 export type TAddCustomNode = typeof addCustomNode;
-export function addCustomNode(payload: CustomNodeConfig): interfaces.AddCustomNodeAction {
+export function addCustomNode(
+  payload: interfaces.AddCustomNodeAction['payload']
+): interfaces.AddCustomNodeAction {
   return {
     type: TypeKeys.CONFIG_ADD_CUSTOM_NODE,
     payload
@@ -60,7 +59,9 @@ export function addCustomNode(payload: CustomNodeConfig): interfaces.AddCustomNo
 }
 
 export type TRemoveCustomNode = typeof removeCustomNode;
-export function removeCustomNode(payload: CustomNodeConfig): interfaces.RemoveCustomNodeAction {
+export function removeCustomNode(
+  payload: interfaces.RemoveCustomNodeAction['payload']
+): interfaces.RemoveCustomNodeAction {
   return {
     type: TypeKeys.CONFIG_REMOVE_CUSTOM_NODE,
     payload
@@ -68,7 +69,9 @@ export function removeCustomNode(payload: CustomNodeConfig): interfaces.RemoveCu
 }
 
 export type TAddCustomNetwork = typeof addCustomNetwork;
-export function addCustomNetwork(payload: CustomNetworkConfig): interfaces.AddCustomNetworkAction {
+export function addCustomNetwork(
+  payload: interfaces.AddCustomNetworkAction['payload']
+): interfaces.AddCustomNetworkAction {
   return {
     type: TypeKeys.CONFIG_ADD_CUSTOM_NETWORK,
     payload
@@ -77,7 +80,7 @@ export function addCustomNetwork(payload: CustomNetworkConfig): interfaces.AddCu
 
 export type TRemoveCustomNetwork = typeof removeCustomNetwork;
 export function removeCustomNetwork(
-  payload: CustomNetworkConfig
+  payload: interfaces.RemoveCustomNetworkAction['payload']
 ): interfaces.RemoveCustomNetworkAction {
   return {
     type: TypeKeys.CONFIG_REMOVE_CUSTOM_NETWORK,
@@ -93,6 +96,15 @@ export function setLatestBlock(payload: string): interfaces.SetLatestBlockAction
   };
 }
 
+export function web3SetNode(
+  payload: interfaces.Web3setNodeAction['payload']
+): interfaces.Web3setNodeAction {
+  return {
+    type: TypeKeys.CONFIG_NODE_WEB3_SET,
+    payload
+  };
+}
+
 export type TWeb3UnsetNode = typeof web3UnsetNode;
 export function web3UnsetNode(): interfaces.Web3UnsetNodeAction {
   return {
diff --git a/common/actions/config/actionTypes.ts b/common/actions/config/actionTypes.ts
index 5552661e..8758af67 100644
--- a/common/actions/config/actionTypes.ts
+++ b/common/actions/config/actionTypes.ts
@@ -1,5 +1,6 @@
 import { TypeKeys } from './constants';
-import { NodeConfig, CustomNodeConfig, NetworkConfig, CustomNetworkConfig } from 'config';
+import { CustomNodeConfig, Web3NodeConfig } from 'types/node';
+import { CustomNetworkConfig } from 'types/network';
 
 /*** Toggle Offline ***/
 export interface ToggleOfflineAction {
@@ -19,11 +20,9 @@ export interface ChangeLanguageAction {
 /*** Change Node ***/
 export interface ChangeNodeAction {
   type: TypeKeys.CONFIG_NODE_CHANGE;
-  // FIXME $keyof?
   payload: {
-    nodeSelection: string;
-    node: NodeConfig;
-    network: NetworkConfig;
+    nodeId: string;
+    networkId: string;
   };
 }
 
@@ -41,25 +40,25 @@ export interface ChangeNodeIntentAction {
 /*** Add Custom Node ***/
 export interface AddCustomNodeAction {
   type: TypeKeys.CONFIG_ADD_CUSTOM_NODE;
-  payload: CustomNodeConfig;
+  payload: { id: string; config: CustomNodeConfig };
 }
 
 /*** Remove Custom Node ***/
 export interface RemoveCustomNodeAction {
   type: TypeKeys.CONFIG_REMOVE_CUSTOM_NODE;
-  payload: CustomNodeConfig;
+  payload: { id: string };
 }
 
 /*** Add Custom Network ***/
 export interface AddCustomNetworkAction {
   type: TypeKeys.CONFIG_ADD_CUSTOM_NETWORK;
-  payload: CustomNetworkConfig;
+  payload: { id: string; config: CustomNetworkConfig };
 }
 
 /*** Remove Custom Network ***/
 export interface RemoveCustomNetworkAction {
   type: TypeKeys.CONFIG_REMOVE_CUSTOM_NETWORK;
-  payload: CustomNetworkConfig;
+  payload: { id: string };
 }
 
 /*** Set Latest Block ***/
@@ -73,17 +72,28 @@ export interface Web3UnsetNodeAction {
   type: TypeKeys.CONFIG_NODE_WEB3_UNSET;
 }
 
-/*** Union Type ***/
-export type ConfigAction =
+/*** Set Web3 as a Node ***/
+export interface Web3setNodeAction {
+  type: TypeKeys.CONFIG_NODE_WEB3_SET;
+  payload: { id: 'web3'; config: Web3NodeConfig };
+}
+
+export type CustomNetworkAction = AddCustomNetworkAction | RemoveCustomNetworkAction;
+
+export type CustomNodeAction = AddCustomNodeAction | RemoveCustomNodeAction;
+
+export type NodeAction =
   | ChangeNodeAction
+  | ChangeNodeIntentAction
+  | Web3UnsetNodeAction
+  | Web3setNodeAction;
+
+export type MetaAction =
   | ChangeLanguageAction
   | ToggleOfflineAction
   | ToggleAutoGasLimitAction
   | PollOfflineStatus
-  | ChangeNodeIntentAction
-  | AddCustomNodeAction
-  | RemoveCustomNodeAction
-  | AddCustomNetworkAction
-  | RemoveCustomNetworkAction
-  | SetLatestBlockAction
-  | Web3UnsetNodeAction;
+  | SetLatestBlockAction;
+
+/*** Union Type ***/
+export type ConfigAction = CustomNetworkAction | CustomNodeAction | NodeAction | MetaAction;
diff --git a/common/actions/config/constants.ts b/common/actions/config/constants.ts
index 58fa8e15..a3b58ac1 100644
--- a/common/actions/config/constants.ts
+++ b/common/actions/config/constants.ts
@@ -1,14 +1,19 @@
 export enum TypeKeys {
   CONFIG_LANGUAGE_CHANGE = 'CONFIG_LANGUAGE_CHANGE',
-  CONFIG_NODE_CHANGE = 'CONFIG_NODE_CHANGE',
-  CONFIG_NODE_CHANGE_INTENT = 'CONFIG_NODE_CHANGE_INTENT',
+
   CONFIG_TOGGLE_OFFLINE = 'CONFIG_TOGGLE_OFFLINE',
   CONFIG_TOGGLE_AUTO_GAS_LIMIT = 'CONFIG_TOGGLE_AUTO_GAS_LIMIT',
   CONFIG_POLL_OFFLINE_STATUS = 'CONFIG_POLL_OFFLINE_STATUS',
+  CONFIG_SET_LATEST_BLOCK = 'CONFIG_SET_LATEST_BLOCK',
+
+  CONFIG_NODE_WEB3_SET = 'CONFIG_NODE_WEB3_SET',
+  CONFIG_NODE_WEB3_UNSET = 'CONFIG_NODE_WEB3_UNSET',
+  CONFIG_NODE_CHANGE = 'CONFIG_NODE_CHANGE',
+  CONFIG_NODE_CHANGE_INTENT = 'CONFIG_NODE_CHANGE_INTENT',
+
   CONFIG_ADD_CUSTOM_NODE = 'CONFIG_ADD_CUSTOM_NODE',
   CONFIG_REMOVE_CUSTOM_NODE = 'CONFIG_REMOVE_CUSTOM_NODE',
+
   CONFIG_ADD_CUSTOM_NETWORK = 'CONFIG_ADD_CUSTOM_NETWORK',
-  CONFIG_REMOVE_CUSTOM_NETWORK = 'CONFIG_REMOVE_CUSTOM_NETWORK',
-  CONFIG_SET_LATEST_BLOCK = 'CONFIG_SET_LATEST_BLOCK',
-  CONFIG_NODE_WEB3_UNSET = 'CONFIG_NODE_WEB3_UNSET'
+  CONFIG_REMOVE_CUSTOM_NETWORK = 'CONFIG_REMOVE_CUSTOM_NETWORK'
 }
diff --git a/common/actions/customTokens/actionCreators.ts b/common/actions/customTokens/actionCreators.ts
index a95ed461..72d5246d 100644
--- a/common/actions/customTokens/actionCreators.ts
+++ b/common/actions/customTokens/actionCreators.ts
@@ -1,6 +1,6 @@
-import { Token } from 'config';
 import * as interfaces from './actionTypes';
 import { TypeKeys } from './constants';
+import { Token } from 'types/network';
 
 export type TAddCustomToken = typeof addCustomToken;
 export function addCustomToken(payload: Token): interfaces.AddCustomTokenAction {
diff --git a/common/actions/customTokens/actionTypes.ts b/common/actions/customTokens/actionTypes.ts
index 7c4f0445..b1368005 100644
--- a/common/actions/customTokens/actionTypes.ts
+++ b/common/actions/customTokens/actionTypes.ts
@@ -1,5 +1,6 @@
-import { Token } from 'config';
 import { TypeKeys } from './constants';
+import { Token } from 'types/network';
+
 /*** Add custom token ***/
 export interface AddCustomTokenAction {
   type: TypeKeys.CUSTOM_TOKEN_ADD;
diff --git a/common/components/BalanceSidebar/AccountInfo.tsx b/common/components/BalanceSidebar/AccountInfo.tsx
index 370156eb..c5f791ec 100644
--- a/common/components/BalanceSidebar/AccountInfo.tsx
+++ b/common/components/BalanceSidebar/AccountInfo.tsx
@@ -1,5 +1,4 @@
 import { Identicon, UnitDisplay } from 'components/ui';
-import { NetworkConfig } from 'config';
 import { IWallet, Balance, TrezorWallet, LedgerWallet } from 'libs/wallet';
 import React from 'react';
 import translate from 'translations';
@@ -8,6 +7,7 @@ import Spinner from 'components/ui/Spinner';
 import { getNetworkConfig, getOffline } from 'selectors/config';
 import { AppState } from 'reducers';
 import { connect } from 'react-redux';
+import { NetworkConfig } from 'types/network';
 import { TSetAccountBalance, setAccountBalance } from 'actions/wallet';
 
 interface OwnProps {
@@ -72,7 +72,14 @@ class AccountInfo extends React.Component<Props, State> {
   public render() {
     const { network, balance, isOffline } = this.props;
     const { address, showLongBalance, confirmAddr } = this.state;
-    const { blockExplorer, tokenExplorer } = network;
+    let blockExplorer;
+    let tokenExplorer;
+    if (!network.isCustom) {
+      // this is kind of ugly but its the result of typeguards, maybe we can find a cleaner solution later on such as just dedicating it to a selector
+      blockExplorer = network.blockExplorer;
+      tokenExplorer = network.tokenExplorer;
+    }
+
     const wallet = this.props.wallet as LedgerWallet | TrezorWallet;
     return (
       <div className="AccountInfo">
diff --git a/common/components/BalanceSidebar/EquivalentValues.tsx b/common/components/BalanceSidebar/EquivalentValues.tsx
index a1cf1d38..5af1589f 100644
--- a/common/components/BalanceSidebar/EquivalentValues.tsx
+++ b/common/components/BalanceSidebar/EquivalentValues.tsx
@@ -7,12 +7,12 @@ import { rateSymbols } from 'api/rates';
 import { chain, flatMap } from 'lodash';
 import { TokenBalance, getShownTokenBalances } from 'selectors/wallet';
 import { Balance } from 'libs/wallet';
-import { NetworkConfig } from 'config';
 import './EquivalentValues.scss';
 import { Wei } from 'libs/units';
 import { AppState } from 'reducers';
-import { getNetworkConfig } from 'selectors/config';
+import { getNetworkConfig, getOffline } from 'selectors/config';
 import { connect } from 'react-redux';
+import { NetworkConfig } from 'types/network';
 
 interface AllValue {
   symbol: string;
@@ -37,10 +37,11 @@ interface State {
 interface StateProps {
   balance: Balance;
   network: NetworkConfig;
+
   tokenBalances: TokenBalance[];
   rates: AppState['rates']['rates'];
   ratesError: AppState['rates']['ratesError'];
-  isOffline: AppState['config']['offline'];
+  isOffline: AppState['config']['meta']['offline'];
 }
 
 interface DispatchProps {
@@ -68,7 +69,7 @@ class EquivalentValues extends React.Component<Props, State> {
   public defaultOption(
     balance: Balance,
     tokenBalances: TokenBalance[],
-    network: NetworkConfig
+    network: StateProps['network']
   ): DefaultOption {
     return {
       label: 'All',
@@ -257,7 +258,6 @@ class EquivalentValues extends React.Component<Props, State> {
     this.requestedCurrencies = currencies;
   }
 }
-
 function mapStateToProps(state: AppState): StateProps {
   return {
     balance: state.wallet.balance,
@@ -265,7 +265,7 @@ function mapStateToProps(state: AppState): StateProps {
     network: getNetworkConfig(state),
     rates: state.rates.rates,
     ratesError: state.rates.ratesError,
-    isOffline: state.config.offline
+    isOffline: getOffline(state)
   };
 }
 
diff --git a/common/components/BalanceSidebar/TokenBalances/AddCustomTokenForm.tsx b/common/components/BalanceSidebar/TokenBalances/AddCustomTokenForm.tsx
index 6a452908..efc52718 100644
--- a/common/components/BalanceSidebar/TokenBalances/AddCustomTokenForm.tsx
+++ b/common/components/BalanceSidebar/TokenBalances/AddCustomTokenForm.tsx
@@ -1,10 +1,11 @@
 import React from 'react';
 import classnames from 'classnames';
-import { Token, HELP_ARTICLE } from 'config';
+import { HELP_ARTICLE } from 'config';
 import { isPositiveIntegerOrZero, isValidETHAddress } from 'libs/validators';
 import translate from 'translations';
 import { HelpLink } from 'components/ui';
 import './AddCustomTokenForm.scss';
+import { Token } from 'types/network';
 
 interface Props {
   allTokens: Token[];
diff --git a/common/components/BalanceSidebar/TokenBalances/Balances.tsx b/common/components/BalanceSidebar/TokenBalances/Balances.tsx
index 27cc9ef7..4f3fe566 100644
--- a/common/components/BalanceSidebar/TokenBalances/Balances.tsx
+++ b/common/components/BalanceSidebar/TokenBalances/Balances.tsx
@@ -1,9 +1,9 @@
 import React from 'react';
 import translate from 'translations';
-import { Token } from 'config';
 import { TokenBalance } from 'selectors/wallet';
 import AddCustomTokenForm from './AddCustomTokenForm';
 import TokenRow from './TokenRow';
+import { Token } from 'types/network';
 
 interface Props {
   allTokens: Token[];
diff --git a/common/components/BalanceSidebar/TokenBalances/index.tsx b/common/components/BalanceSidebar/TokenBalances/index.tsx
index 7fca475d..39ce3d42 100644
--- a/common/components/BalanceSidebar/TokenBalances/index.tsx
+++ b/common/components/BalanceSidebar/TokenBalances/index.tsx
@@ -13,12 +13,12 @@ import {
   setWalletTokens,
   TSetWalletTokens
 } from 'actions/wallet';
-import { getAllTokens } from 'selectors/config';
+import { getAllTokens, getOffline } from 'selectors/config';
 import { getTokenBalances, getWalletInst, getWalletConfig, TokenBalance } from 'selectors/wallet';
-import { Token } from 'config';
 import translate from 'translations';
 import Balances from './Balances';
 import Spinner from 'components/ui/Spinner';
+import { Token } from 'types/network';
 import './index.scss';
 
 interface StateProps {
@@ -29,7 +29,7 @@ interface StateProps {
   tokensError: AppState['wallet']['tokensError'];
   isTokensLoading: AppState['wallet']['isTokensLoading'];
   hasSavedWalletTokens: AppState['wallet']['hasSavedWalletTokens'];
-  isOffline: AppState['config']['offline'];
+  isOffline: AppState['config']['meta']['offline'];
 }
 interface ActionProps {
   addCustomToken: TAddCustomToken;
@@ -118,7 +118,7 @@ function mapStateToProps(state: AppState): StateProps {
     tokensError: state.wallet.tokensError,
     isTokensLoading: state.wallet.isTokensLoading,
     hasSavedWalletTokens: state.wallet.hasSavedWalletTokens,
-    isOffline: state.config.offline
+    isOffline: getOffline(state)
   };
 }
 
diff --git a/common/components/ConfirmationModal/components/Body/Body.tsx b/common/components/ConfirmationModal/components/Body/Body.tsx
index ff25034a..7a8e44e0 100644
--- a/common/components/ConfirmationModal/components/Body/Body.tsx
+++ b/common/components/ConfirmationModal/components/Body/Body.tsx
@@ -6,13 +6,14 @@ import { connect } from 'react-redux';
 import { AppState } from 'reducers';
 import './Body.scss';
 import { getNetworkConfig } from 'selectors/config';
+import { NetworkConfig } from 'types/network';
 
 interface State {
   showDetails: boolean;
 }
 
 interface StateProps {
-  network: AppState['config']['network'];
+  network: NetworkConfig;
 }
 
 class BodyClass extends React.Component<StateProps, State> {
diff --git a/common/components/ConfirmationModal/components/Body/components/Amounts.tsx b/common/components/ConfirmationModal/components/Body/components/Amounts.tsx
index a5f5969d..e05823c4 100644
--- a/common/components/ConfirmationModal/components/Body/components/Amounts.tsx
+++ b/common/components/ConfirmationModal/components/Body/components/Amounts.tsx
@@ -6,7 +6,7 @@ import { getAllUSDValuesFromSerializedTx, AllUSDValues } from 'selectors/rates';
 import { SerializedTxParams, getParamsFromSerializedTx } from 'selectors/transaction';
 import { connect } from 'react-redux';
 import { getNetworkConfig } from 'selectors/config';
-import { NetworkConfig } from 'config';
+import { NetworkConfig } from 'types/network';
 
 interface StateProps extends SerializedTxParams, AllUSDValues {
   network: NetworkConfig;
diff --git a/common/components/ConfirmationModal/components/Body/components/Details.tsx b/common/components/ConfirmationModal/components/Body/components/Details.tsx
index 2fcfa5fb..5f6a20d8 100644
--- a/common/components/ConfirmationModal/components/Body/components/Details.tsx
+++ b/common/components/ConfirmationModal/components/Body/components/Details.tsx
@@ -4,9 +4,9 @@ import './Details.scss';
 import { SerializedTransaction } from 'components/renderCbs';
 import { AppState } from 'reducers';
 import { getNodeConfig } from 'selectors/config';
-import { NodeConfig } from 'config';
 import { connect } from 'react-redux';
 import { TokenValue } from 'libs/units';
+import { NodeConfig } from 'types/node';
 
 interface StateProps {
   node: NodeConfig;
diff --git a/common/components/ConfirmationModal/components/Body/components/Node.tsx b/common/components/ConfirmationModal/components/Body/components/Node.tsx
index 2d29f2a5..f8941f1e 100644
--- a/common/components/ConfirmationModal/components/Body/components/Node.tsx
+++ b/common/components/ConfirmationModal/components/Body/components/Node.tsx
@@ -1,11 +1,11 @@
-import { NodeConfig } from 'config';
 import React, { Component } from 'react';
 import { AppState } from 'reducers';
 import { connect } from 'react-redux';
 import { getNodeConfig } from 'selectors/config';
+import { StaticNodeConfig } from 'types/node';
 
 interface StateProps {
-  node: NodeConfig;
+  node: StaticNodeConfig;
 }
 
 class NodeClass extends Component<StateProps, {}> {
diff --git a/common/components/CurrentCustomMessage.tsx b/common/components/CurrentCustomMessage.tsx
index 4b3f734e..0dee62c3 100644
--- a/common/components/CurrentCustomMessage.tsx
+++ b/common/components/CurrentCustomMessage.tsx
@@ -4,7 +4,8 @@ import { AppState } from 'reducers';
 import { getCurrentTo, ICurrentTo } from 'selectors/transaction';
 import { getAllTokens } from 'selectors/config';
 import { getWalletInst } from 'selectors/wallet';
-import { getAddressMessage, Token } from 'config';
+import { getAddressMessage } from 'config';
+import { Token } from 'types/network';
 
 interface ReduxProps {
   currentTo: ICurrentTo;
diff --git a/common/components/ExtendedNotifications/TransactionSucceeded.tsx b/common/components/ExtendedNotifications/TransactionSucceeded.tsx
index 95770c1d..ea0cb9b0 100644
--- a/common/components/ExtendedNotifications/TransactionSucceeded.tsx
+++ b/common/components/ExtendedNotifications/TransactionSucceeded.tsx
@@ -1,6 +1,6 @@
-import { BlockExplorerConfig } from 'config';
 import React from 'react';
 import { translateRaw } from 'translations';
+import { BlockExplorerConfig } from 'types/network';
 
 export interface TransactionSucceededProps {
   txHash: string;
diff --git a/common/components/Header/components/CustomNodeModal.tsx b/common/components/Header/components/CustomNodeModal.tsx
index 122ff9c3..2df65db1 100644
--- a/common/components/Header/components/CustomNodeModal.tsx
+++ b/common/components/Header/components/CustomNodeModal.tsx
@@ -2,11 +2,18 @@ import React from 'react';
 import classnames from 'classnames';
 import Modal, { IButton } from 'components/ui/Modal';
 import translate from 'translations';
-import { NETWORKS, CustomNodeConfig, CustomNetworkConfig } from 'config';
-import { makeCustomNodeId } from 'utils/node';
-import { makeCustomNetworkId } from 'utils/network';
+import { CustomNetworkConfig } from 'types/network';
+import { CustomNodeConfig } from 'types/node';
+import { TAddCustomNetwork, addCustomNetwork, AddCustomNodeAction } from 'actions/config';
+import { connect, Omit } from 'react-redux';
+import { AppState } from 'reducers';
+import {
+  getCustomNetworkConfigs,
+  getCustomNodeConfigs,
+  getStaticNetworkConfigs
+} from 'selectors/config';
+import { CustomNode } from 'libs/nodes';
 
-const NETWORK_KEYS = Object.keys(NETWORKS);
 const CUSTOM = 'custom';
 
 interface Input {
@@ -15,20 +22,27 @@ interface Input {
   type?: string;
 }
 
-interface Props {
-  customNodes: CustomNodeConfig[];
-  customNetworks: CustomNetworkConfig[];
-  handleAddCustomNode(node: CustomNodeConfig): void;
-  handleAddCustomNetwork(node: CustomNetworkConfig): void;
+interface OwnProps {
+  addCustomNode(payload: AddCustomNodeAction['payload']): void;
   handleClose(): void;
 }
 
+interface DispatchProps {
+  addCustomNetwork: TAddCustomNetwork;
+}
+
+interface StateProps {
+  customNodes: AppState['config']['nodes']['customNodes'];
+  customNetworks: AppState['config']['networks']['customNetworks'];
+  staticNetworks: AppState['config']['networks']['staticNetworks'];
+}
+
 interface State {
   name: string;
   url: string;
   port: string;
   network: string;
-  customNetworkName: string;
+  customNetworkId: string;
   customNetworkUnit: string;
   customNetworkChainId: string;
   hasAuth: boolean;
@@ -36,13 +50,15 @@ interface State {
   password: string;
 }
 
-export default class CustomNodeModal extends React.PureComponent<Props, State> {
+type Props = OwnProps & StateProps & DispatchProps;
+
+class CustomNodeModal extends React.Component<Props, State> {
   public state: State = {
     name: '',
     url: '',
     port: '',
-    network: NETWORK_KEYS[0],
-    customNetworkName: '',
+    network: Object.keys(this.props.staticNetworks)[0],
+    customNetworkId: '',
     customNetworkUnit: '',
     customNetworkChainId: '',
     hasAuth: false,
@@ -51,7 +67,7 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
   };
 
   public render() {
-    const { customNetworks, handleClose } = this.props;
+    const { customNetworks, handleClose, staticNetworks } = this.props;
     const { network } = this.state;
     const isHttps = window.location.protocol.includes('https');
     const invalids = this.getInvalids();
@@ -109,19 +125,16 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
                   value={network}
                   onChange={this.handleChange}
                 >
-                  {NETWORK_KEYS.map(net => (
+                  {Object.keys(staticNetworks).map(net => (
                     <option key={net} value={net}>
                       {net}
                     </option>
                   ))}
-                  {customNetworks.map(net => {
-                    const id = makeCustomNetworkId(net);
-                    return (
-                      <option key={id} value={id}>
-                        {net.name} (Custom)
-                      </option>
-                    );
-                  })}
+                  {Object.entries(customNetworks).map(([id, net]) => (
+                    <option key={id} value={id}>
+                      {net.name} (Custom)
+                    </option>
+                  ))}
                   <option value={CUSTOM}>Custom...</option>
                 </select>
               </div>
@@ -133,7 +146,7 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
                   <label className="is-required">Network Name</label>
                   {this.renderInput(
                     {
-                      name: 'customNetworkName',
+                      name: 'customNetworkId',
                       placeholder: 'My Custom Network'
                     },
                     invalids
@@ -248,7 +261,7 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
       username,
       password,
       network,
-      customNetworkName,
+      customNetworkId,
       customNetworkUnit,
       customNetworkChainId
     } = this.state;
@@ -285,8 +298,8 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
 
     // If they have a custom network, make sure info is provided
     if (network === CUSTOM) {
-      if (!customNetworkName) {
-        invalids.customNetworkName = true;
+      if (!customNetworkId) {
+        invalids.customNetworkId = true;
       }
       if (!customNetworkUnit) {
         invalids.customNetworkUnit = true;
@@ -303,13 +316,14 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
   }
 
   private makeCustomNetworkConfigFromState(): CustomNetworkConfig {
-    const similarNetworkConfig = Object.values(NETWORKS).find(
+    const similarNetworkConfig = Object.values(this.props.staticNetworks).find(
       n => n.chainId === +this.state.customNetworkChainId
     );
     const dPathFormats = similarNetworkConfig ? similarNetworkConfig.dPathFormats : null;
 
     return {
-      name: this.state.customNetworkName,
+      isCustom: true,
+      name: this.state.customNetworkId,
       unit: this.state.customNetworkUnit,
       chainId: this.state.customNetworkChainId ? parseInt(this.state.customNetworkChainId, 10) : 0,
       dPathFormats
@@ -318,29 +332,42 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
 
   private makeCustomNodeConfigFromState(): CustomNodeConfig {
     const { network } = this.state;
-    const node: CustomNodeConfig = {
+
+    const networkId =
+      network === CUSTOM
+        ? this.makeCustomNetworkId(this.makeCustomNetworkConfigFromState())
+        : network;
+
+    const port = parseInt(this.state.port, 10);
+    const url = this.state.url.trim();
+    const node: Omit<CustomNodeConfig, 'lib'> = {
+      isCustom: true,
+      service: 'your custom node',
+      id: `${url}:${port}`,
       name: this.state.name.trim(),
-      url: this.state.url.trim(),
-      port: parseInt(this.state.port, 10),
-      network:
-        network === CUSTOM ? makeCustomNetworkId(this.makeCustomNetworkConfigFromState()) : network
+      url,
+      port,
+      network: networkId,
+      ...(this.state.hasAuth
+        ? {
+            auth: {
+              username: this.state.username,
+              password: this.state.password
+            }
+          }
+        : {})
     };
 
-    if (this.state.hasAuth) {
-      node.auth = {
-        username: this.state.username,
-        password: this.state.password
-      };
-    }
+    const lib = new CustomNode(node);
 
-    return node;
+    return { ...node, lib };
   }
 
   private getConflictedNode(): CustomNodeConfig | undefined {
     const { customNodes } = this.props;
     const config = this.makeCustomNodeConfigFromState();
-    const thisId = makeCustomNodeId(config);
-    return customNodes.find(conf => makeCustomNodeId(conf) === thisId);
+
+    return customNodes[config.id];
   }
 
   private handleChange = (ev: React.FormEvent<HTMLInputElement | HTMLSelectElement>) => {
@@ -359,9 +386,25 @@ export default class CustomNodeModal extends React.PureComponent<Props, State> {
     if (this.state.network === CUSTOM) {
       const network = this.makeCustomNetworkConfigFromState();
 
-      this.props.handleAddCustomNetwork(network);
+      this.props.addCustomNetwork({ config: network, id: node.network });
     }
 
-    this.props.handleAddCustomNode(node);
+    this.props.addCustomNode({ config: node, id: node.id });
   };
+
+  private makeCustomNetworkId(config: CustomNetworkConfig): string {
+    return config.chainId ? `${config.chainId}` : `${config.name}:${config.unit}`;
+  }
 }
+
+const mapStateToProps = (state: AppState): StateProps => ({
+  customNetworks: getCustomNetworkConfigs(state),
+  customNodes: getCustomNodeConfigs(state),
+  staticNetworks: getStaticNetworkConfigs(state)
+});
+
+const mapDispatchToProps: DispatchProps = {
+  addCustomNetwork
+};
+
+export default connect(mapStateToProps, mapDispatchToProps)(CustomNodeModal);
diff --git a/common/components/Header/components/Navigation.tsx b/common/components/Header/components/Navigation.tsx
index 22cb8c9e..2695082f 100644
--- a/common/components/Header/components/Navigation.tsx
+++ b/common/components/Header/components/Navigation.tsx
@@ -46,7 +46,7 @@ const tabs: TabLink[] = [
 ];
 
 interface Props {
-  color?: string;
+  color?: string | false;
 }
 
 interface State {
diff --git a/common/components/Header/index.tsx b/common/components/Header/index.tsx
index 2c528c62..23ce24b7 100644
--- a/common/components/Header/index.tsx
+++ b/common/components/Header/index.tsx
@@ -3,39 +3,43 @@ import {
   TChangeNodeIntent,
   TAddCustomNode,
   TRemoveCustomNode,
-  TAddCustomNetwork
+  TAddCustomNetwork,
+  AddCustomNodeAction,
+  changeLanguage,
+  changeNodeIntent,
+  addCustomNode,
+  removeCustomNode,
+  addCustomNetwork
 } from 'actions/config';
 import logo from 'assets/images/logo-mycrypto.svg';
 import { Dropdown, ColorDropdown } from 'components/ui';
-import React, { PureComponent } from 'react';
+import React, { Component } from 'react';
 import classnames from 'classnames';
 import { Link } from 'react-router-dom';
-import { TSetGasPriceField } from 'actions/transaction';
-import {
-  ANNOUNCEMENT_MESSAGE,
-  ANNOUNCEMENT_TYPE,
-  languages,
-  NODES,
-  NodeConfig,
-  CustomNodeConfig,
-  CustomNetworkConfig
-} from 'config';
+import { TSetGasPriceField, setGasPriceField } from 'actions/transaction';
+import { ANNOUNCEMENT_MESSAGE, ANNOUNCEMENT_TYPE, languages } from 'config';
 import Navigation from './components/Navigation';
 import CustomNodeModal from './components/CustomNodeModal';
 import OnlineStatus from './components/OnlineStatus';
 import { getKeyByValue } from 'utils/helpers';
-import { makeCustomNodeId } from 'utils/node';
-import { getNetworkConfigFromId } from 'utils/network';
+import { NodeConfig } from 'types/node';
 import './index.scss';
+import { AppState } from 'reducers';
+import {
+  getOffline,
+  isNodeChanging,
+  getLanguageSelection,
+  getNodeId,
+  getNodeConfig,
+  CustomNodeOption,
+  NodeOption,
+  getNodeOptions,
+  getNetworkConfig
+} from 'selectors/config';
+import { NetworkConfig } from 'types/network';
+import { connect } from 'react-redux';
 
-interface Props {
-  languageSelection: string;
-  node: NodeConfig;
-  nodeSelection: string;
-  isChangingNode: boolean;
-  isOffline: boolean;
-  customNodes: CustomNodeConfig[];
-  customNetworks: CustomNetworkConfig[];
+interface DispatchProps {
   changeLanguage: TChangeLanguage;
   changeNodeIntent: TChangeNodeIntent;
   setGasPriceField: TSetGasPriceField;
@@ -44,11 +48,42 @@ interface Props {
   addCustomNetwork: TAddCustomNetwork;
 }
 
+interface StateProps {
+  network: NetworkConfig;
+  languageSelection: AppState['config']['meta']['languageSelection'];
+  node: NodeConfig;
+  nodeSelection: AppState['config']['nodes']['selectedNode']['nodeId'];
+  isChangingNode: AppState['config']['nodes']['selectedNode']['pending'];
+  isOffline: AppState['config']['meta']['offline'];
+  nodeOptions: (CustomNodeOption | NodeOption)[];
+}
+
+const mapStateToProps = (state: AppState): StateProps => ({
+  isOffline: getOffline(state),
+  isChangingNode: isNodeChanging(state),
+  languageSelection: getLanguageSelection(state),
+  nodeSelection: getNodeId(state),
+  node: getNodeConfig(state),
+  nodeOptions: getNodeOptions(state),
+  network: getNetworkConfig(state)
+});
+
+const mapDispatchToProps: DispatchProps = {
+  setGasPriceField,
+  changeLanguage,
+  changeNodeIntent,
+  addCustomNode,
+  removeCustomNode,
+  addCustomNetwork
+};
+
 interface State {
   isAddingCustomNode: boolean;
 }
 
-export default class Header extends PureComponent<Props, State> {
+type Props = StateProps & DispatchProps;
+
+class Header extends Component<Props, State> {
   public state = {
     isAddingCustomNode: false
   };
@@ -56,50 +91,40 @@ export default class Header extends PureComponent<Props, State> {
   public render() {
     const {
       languageSelection,
-      changeNodeIntent,
       node,
       nodeSelection,
       isChangingNode,
       isOffline,
-      customNodes,
-      customNetworks
+      nodeOptions,
+      network
     } = this.props;
     const { isAddingCustomNode } = this.state;
     const selectedLanguage = languageSelection;
-    const selectedNetwork = getNetworkConfigFromId(node.network, customNetworks);
     const LanguageDropDown = Dropdown as new () => Dropdown<typeof selectedLanguage>;
-
-    const nodeOptions = Object.keys(NODES)
-      .map(key => {
-        const n = NODES[key];
-        const network = getNetworkConfigFromId(n.network, customNetworks);
+    const options = nodeOptions.map(n => {
+      if (n.isCustom) {
+        const { name: { networkId, nodeId }, isCustom, id, ...rest } = n;
         return {
-          value: key,
+          ...rest,
           name: (
             <span>
-              {network && network.name} <small>({n.service})</small>
+              {networkId} - {nodeId} <small>(custom)</small>
             </span>
           ),
-          color: network && network.color,
-          hidden: n.hidden
+          onRemove: () => this.props.removeCustomNode({ id })
         };
-      })
-      .concat(
-        customNodes.map(cn => {
-          const network = getNetworkConfigFromId(cn.network, customNetworks);
-          return {
-            value: makeCustomNodeId(cn),
-            name: (
-              <span>
-                {network && network.name} - {cn.name} <small>(custom)</small>
-              </span>
-            ),
-            color: network && network.color,
-            hidden: false,
-            onRemove: () => this.props.removeCustomNode(cn)
-          };
-        })
-      );
+      } else {
+        const { name: { networkId, service }, isCustom, ...rest } = n;
+        return {
+          ...rest,
+          name: (
+            <span>
+              {networkId} <small>({service})</small>
+            </span>
+          )
+        };
+      }
+    });
 
     return (
       <div className="Header">
@@ -154,15 +179,15 @@ export default class Header extends PureComponent<Props, State> {
                     change node. current node is on the ${node.network} network
                     provided by ${node.service}
                   `}
-                  options={nodeOptions}
-                  value={nodeSelection}
+                  options={options}
+                  value={nodeSelection || ''}
                   extra={
                     <li>
                       <a onClick={this.openCustomNodeModal}>Add Custom Node</a>
                     </li>
                   }
                   disabled={nodeSelection === 'web3'}
-                  onChange={changeNodeIntent}
+                  onChange={this.props.changeNodeIntent}
                   size="smr"
                   color="white"
                   menuAlign="right"
@@ -172,14 +197,11 @@ export default class Header extends PureComponent<Props, State> {
           </section>
         </section>
 
-        <Navigation color={selectedNetwork && selectedNetwork.color} />
+        <Navigation color={!network.isCustom && network.color} />
 
         {isAddingCustomNode && (
           <CustomNodeModal
-            customNodes={customNodes}
-            customNetworks={customNetworks}
-            handleAddCustomNode={this.addCustomNode}
-            handleAddCustomNetwork={this.props.addCustomNetwork}
+            addCustomNode={this.addCustomNode}
             handleClose={this.closeCustomNodeModal}
           />
         )}
@@ -202,8 +224,10 @@ export default class Header extends PureComponent<Props, State> {
     this.setState({ isAddingCustomNode: false });
   };
 
-  private addCustomNode = (node: CustomNodeConfig) => {
+  private addCustomNode = (payload: AddCustomNodeAction['payload']) => {
     this.setState({ isAddingCustomNode: false });
-    this.props.addCustomNode(node);
+    this.props.addCustomNode(payload);
   };
 }
+
+export default connect(mapStateToProps, mapDispatchToProps)(Header);
diff --git a/common/components/SendButtonFactory/OfflineBroadcast.tsx b/common/components/SendButtonFactory/OfflineBroadcast.tsx
index 128e6246..90787e29 100644
--- a/common/components/SendButtonFactory/OfflineBroadcast.tsx
+++ b/common/components/SendButtonFactory/OfflineBroadcast.tsx
@@ -6,7 +6,7 @@ import { getOffline } from 'selectors/config';
 import { NewTabLink } from 'components/ui';
 
 interface StateProps {
-  offline: AppState['config']['offline'];
+  offline: AppState['config']['meta']['offline'];
 }
 class OfflineBroadcastClass extends Component<StateProps> {
   public render() {
diff --git a/common/components/TXMetaDataPanel/TXMetaDataPanel.tsx b/common/components/TXMetaDataPanel/TXMetaDataPanel.tsx
index 2efc5a00..22d56dfa 100644
--- a/common/components/TXMetaDataPanel/TXMetaDataPanel.tsx
+++ b/common/components/TXMetaDataPanel/TXMetaDataPanel.tsx
@@ -20,13 +20,14 @@ import SimpleGas from './components/SimpleGas';
 import AdvancedGas, { AdvancedOptions } from './components/AdvancedGas';
 import './TXMetaDataPanel.scss';
 import { getGasPrice } from 'selectors/transaction';
+import { NetworkConfig } from 'types/network';
 
 type SliderStates = 'simple' | 'advanced';
 
 interface StateProps {
   gasPrice: AppState['transaction']['fields']['gasPrice'];
-  offline: AppState['config']['offline'];
-  network: AppState['config']['network'];
+  offline: AppState['config']['meta']['offline'];
+  network: NetworkConfig;
 }
 
 interface DispatchProps {
diff --git a/common/components/TXMetaDataPanel/components/AdvancedGas.tsx b/common/components/TXMetaDataPanel/components/AdvancedGas.tsx
index e34acabb..4377b2c8 100644
--- a/common/components/TXMetaDataPanel/components/AdvancedGas.tsx
+++ b/common/components/TXMetaDataPanel/components/AdvancedGas.tsx
@@ -27,7 +27,7 @@ interface OwnProps {
 }
 
 interface StateProps {
-  autoGasLimitEnabled: AppState['config']['autoGasLimit'];
+  autoGasLimitEnabled: AppState['config']['meta']['autoGasLimit'];
   validGasPrice: boolean;
 }
 
diff --git a/common/components/TXMetaDataPanel/components/FeeSummary.tsx b/common/components/TXMetaDataPanel/components/FeeSummary.tsx
index 4c68f504..0dcd532e 100644
--- a/common/components/TXMetaDataPanel/components/FeeSummary.tsx
+++ b/common/components/TXMetaDataPanel/components/FeeSummary.tsx
@@ -2,8 +2,9 @@ import React from 'react';
 import BN from 'bn.js';
 import { connect } from 'react-redux';
 import { AppState } from 'reducers';
-import { getNetworkConfig } from 'selectors/config';
+import { getNetworkConfig, getOffline } from 'selectors/config';
 import { UnitDisplay } from 'components/ui';
+import { NetworkConfig } from 'types/network';
 import './FeeSummary.scss';
 
 interface RenderData {
@@ -17,8 +18,8 @@ interface RenderData {
 interface ReduxStateProps {
   gasLimit: AppState['transaction']['fields']['gasLimit'];
   rates: AppState['rates']['rates'];
-  network: AppState['config']['network'];
-  isOffline: AppState['config']['offline'];
+  network: NetworkConfig;
+  isOffline: AppState['config']['meta']['offline'];
 }
 
 interface OwnProps {
@@ -75,7 +76,7 @@ function mapStateToProps(state: AppState): ReduxStateProps {
     gasLimit: state.transaction.fields.gasLimit,
     rates: state.rates.rates,
     network: getNetworkConfig(state),
-    isOffline: state.config.offline
+    isOffline: getOffline(state)
   };
 }
 
diff --git a/common/components/UnitDropDown/UnitDropDown.tsx b/common/components/UnitDropDown/UnitDropDown.tsx
index 389f18d4..4119f357 100644
--- a/common/components/UnitDropDown/UnitDropDown.tsx
+++ b/common/components/UnitDropDown/UnitDropDown.tsx
@@ -8,6 +8,7 @@ import { connect } from 'react-redux';
 import { AppState } from 'reducers';
 import { getUnit } from 'selectors/transaction';
 import { getNetworkConfig } from 'selectors/config';
+import { NetworkConfig } from 'types/network';
 
 interface DispatchProps {
   setUnitMeta: TSetUnitMeta;
@@ -18,7 +19,7 @@ interface StateProps {
   tokens: TokenBalance[];
   allTokens: MergedToken[];
   showAllTokens?: boolean;
-  network: AppState['config']['network'];
+  network: NetworkConfig;
 }
 
 const StringDropdown = Dropdown as new () => Dropdown<string>;
diff --git a/common/components/WalletDecrypt/WalletDecrypt.tsx b/common/components/WalletDecrypt/WalletDecrypt.tsx
index 619ffd62..c0e2d85b 100644
--- a/common/components/WalletDecrypt/WalletDecrypt.tsx
+++ b/common/components/WalletDecrypt/WalletDecrypt.tsx
@@ -40,11 +40,10 @@ import {
   InsecureWalletName,
   MiscWalletName,
   WalletName,
-  isWeb3NodeAvailable,
   knowledgeBaseURL,
   donationAddressMap
 } from 'config';
-
+import { isWeb3NodeAvailable } from 'libs/nodes/web3';
 import LedgerIcon from 'assets/images/wallets/ledger.svg';
 import MetamaskIcon from 'assets/images/wallets/metamask.svg';
 import MistIcon from 'assets/images/wallets/mist.svg';
diff --git a/common/components/WalletDecrypt/components/DeterministicWalletsModal.tsx b/common/components/WalletDecrypt/components/DeterministicWalletsModal.tsx
index 6a1107aa..4edba224 100644
--- a/common/components/WalletDecrypt/components/DeterministicWalletsModal.tsx
+++ b/common/components/WalletDecrypt/components/DeterministicWalletsModal.tsx
@@ -8,7 +8,6 @@ import {
 } from 'actions/deterministicWallets';
 import Modal, { IButton } from 'components/ui/Modal';
 import { AppState } from 'reducers';
-import { NetworkConfig } from 'config';
 import { isValidPath } from 'libs/validators';
 import React from 'react';
 import { connect } from 'react-redux';
@@ -16,7 +15,7 @@ import { getNetworkConfig } from 'selectors/config';
 import { getTokens, MergedToken } from 'selectors/wallet';
 import { UnitDisplay } from 'components/ui';
 import './DeterministicWalletsModal.scss';
-import { DPath } from 'config/dpaths';
+import { StaticNetworkConfig } from 'types/network';
 import Select from 'react-select';
 
 const WALLETS_PER_PAGE = 5;
@@ -34,7 +33,7 @@ interface Props {
   // Redux state
   wallets: AppState['deterministicWallets']['wallets'];
   desiredToken: AppState['deterministicWallets']['desiredToken'];
-  network: NetworkConfig;
+  network: StaticNetworkConfig;
   tokens: MergedToken[];
 
   // Redux actions
diff --git a/common/components/WalletDecrypt/components/LedgerNano.tsx b/common/components/WalletDecrypt/components/LedgerNano.tsx
index c57a4494..fd7da02c 100644
--- a/common/components/WalletDecrypt/components/LedgerNano.tsx
+++ b/common/components/WalletDecrypt/components/LedgerNano.tsx
@@ -7,10 +7,8 @@ import ledger from 'ledgerco';
 import { Spinner, NewTabLink } from 'components/ui';
 import { connect } from 'react-redux';
 import { AppState } from 'reducers';
-import { getNetworkConfig } from 'selectors/config';
 import { SecureWalletName, ledgerReferralURL } from 'config';
-import { DPath } from 'config/dpaths';
-import { getPaths, getSingleDPath } from 'utils/network';
+import { getPaths, getSingleDPath } from 'selectors/config/wallet';
 
 interface OwnProps {
   onUnlock(param: any): void;
@@ -18,6 +16,7 @@ interface OwnProps {
 
 interface StateProps {
   dPath: DPath;
+  dPaths: DPath[];
 }
 
 interface State {
@@ -103,7 +102,7 @@ class LedgerNanoSDecryptClass extends PureComponent<Props, State> {
           publicKey={publicKey}
           chainCode={chainCode}
           dPath={dPath}
-          dPaths={getPaths(SecureWalletName.LEDGER_NANO_S)}
+          dPaths={this.props.dPaths}
           onCancel={this.handleCancel}
           onConfirmAddress={this.handleUnlock}
           onPathChange={this.handlePathChange}
@@ -169,9 +168,9 @@ class LedgerNanoSDecryptClass extends PureComponent<Props, State> {
 }
 
 function mapStateToProps(state: AppState): StateProps {
-  const network = getNetworkConfig(state);
   return {
-    dPath: getSingleDPath(SecureWalletName.LEDGER_NANO_S, network)
+    dPath: getSingleDPath(state, SecureWalletName.LEDGER_NANO_S),
+    dPaths: getPaths(state, SecureWalletName.LEDGER_NANO_S)
   };
 }
 
diff --git a/common/components/WalletDecrypt/components/Mnemonic.tsx b/common/components/WalletDecrypt/components/Mnemonic.tsx
index 5a76f814..c24fb25c 100644
--- a/common/components/WalletDecrypt/components/Mnemonic.tsx
+++ b/common/components/WalletDecrypt/components/Mnemonic.tsx
@@ -5,10 +5,8 @@ import DeterministicWalletsModal from './DeterministicWalletsModal';
 import { formatMnemonic } from 'utils/formatters';
 import { InsecureWalletName } from 'config';
 import { AppState } from 'reducers';
-import { getNetworkConfig } from 'selectors/config';
 import { connect } from 'react-redux';
-import { DPath } from 'config/dpaths';
-import { getPaths, getSingleDPath } from 'utils/network';
+import { getSingleDPath, getPaths } from 'selectors/config/wallet';
 import { TogglablePassword } from 'components';
 
 interface Props {
@@ -17,6 +15,7 @@ interface Props {
 
 interface StateProps {
   dPath: DPath;
+  dPaths: DPath[];
 }
 
 interface State {
@@ -80,7 +79,7 @@ class MnemonicDecryptClass extends PureComponent<Props & StateProps, State> {
           isOpen={!!seed}
           seed={seed}
           dPath={dPath}
-          dPaths={getPaths(InsecureWalletName.MNEMONIC_PHRASE)}
+          dPaths={this.props.dPaths}
           onCancel={this.handleCancel}
           onConfirmAddress={this.handleUnlock}
           onPathChange={this.handlePathChange}
@@ -147,9 +146,9 @@ class MnemonicDecryptClass extends PureComponent<Props & StateProps, State> {
 }
 
 function mapStateToProps(state: AppState): StateProps {
-  const network = getNetworkConfig(state);
   return {
-    dPath: getSingleDPath(InsecureWalletName.MNEMONIC_PHRASE, network)
+    dPath: getSingleDPath(state, InsecureWalletName.MNEMONIC_PHRASE),
+    dPaths: getPaths(state, InsecureWalletName.MNEMONIC_PHRASE)
   };
 }
 
diff --git a/common/components/WalletDecrypt/components/Trezor.tsx b/common/components/WalletDecrypt/components/Trezor.tsx
index 6eaa7d48..9be4d5a8 100644
--- a/common/components/WalletDecrypt/components/Trezor.tsx
+++ b/common/components/WalletDecrypt/components/Trezor.tsx
@@ -5,12 +5,10 @@ import TrezorConnect from 'vendor/trezor-connect';
 import DeterministicWalletsModal from './DeterministicWalletsModal';
 import './Trezor.scss';
 import { Spinner, NewTabLink } from 'components/ui';
-import { getNetworkConfig } from 'selectors/config';
 import { AppState } from 'reducers';
 import { connect } from 'react-redux';
 import { SecureWalletName, trezorReferralURL } from 'config';
-import { DPath } from 'config/dpaths';
-import { getPaths, getSingleDPath } from 'utils/network';
+import { getSingleDPath, getPaths } from 'selectors/config/wallet';
 
 //todo: conflicts with comment in walletDecrypt -> onUnlock method
 interface OwnProps {
@@ -19,6 +17,7 @@ interface OwnProps {
 
 interface StateProps {
   dPath: DPath;
+  dPaths: DPath[];
 }
 
 // todo: nearly duplicates ledger component props
@@ -80,7 +79,7 @@ class TrezorDecryptClass extends PureComponent<Props, State> {
           publicKey={publicKey}
           chainCode={chainCode}
           dPath={dPath}
-          dPaths={getPaths(SecureWalletName.TREZOR)}
+          dPaths={this.props.dPaths}
           onCancel={this.handleCancel}
           onConfirmAddress={this.handleUnlock}
           onPathChange={this.handlePathChange}
@@ -143,9 +142,9 @@ class TrezorDecryptClass extends PureComponent<Props, State> {
 }
 
 function mapStateToProps(state: AppState): StateProps {
-  const network = getNetworkConfig(state);
   return {
-    dPath: getSingleDPath(SecureWalletName.TREZOR, network)
+    dPath: getSingleDPath(state, SecureWalletName.TREZOR),
+    dPaths: getPaths(state, SecureWalletName.TREZOR)
   };
 }
 
diff --git a/common/components/ui/ColorDropdown.tsx b/common/components/ui/ColorDropdown.tsx
index 32da87cc..7459f0be 100644
--- a/common/components/ui/ColorDropdown.tsx
+++ b/common/components/ui/ColorDropdown.tsx
@@ -8,7 +8,7 @@ interface Option<T> {
   name: any;
   value: T;
   color?: string;
-  hidden: boolean | undefined;
+  hidden?: boolean | undefined;
   onRemove?(): void;
 }
 
diff --git a/common/components/ui/UnitDisplay.tsx b/common/components/ui/UnitDisplay.tsx
index 3b55e167..da9d840e 100644
--- a/common/components/ui/UnitDisplay.tsx
+++ b/common/components/ui/UnitDisplay.tsx
@@ -85,7 +85,7 @@ export default UnitDisplay;
  * Circumvents typescript issue with union props on connected components.
  */
 interface OfflineProps {
-  offline: AppState['config']['offline'];
+  offline: AppState['config']['meta']['offline'];
   children: React.ReactElement<string>;
 }
 
diff --git a/common/config/dpaths.ts b/common/config/dpaths.ts
index c162025b..9b2c0a4c 100644
--- a/common/config/dpaths.ts
+++ b/common/config/dpaths.ts
@@ -1,8 +1,3 @@
-export interface DPath {
-  label: string;
-  value: string; // TODO determine method for more precise typing for path
-}
-
 export const ETH_DEFAULT: DPath = {
   label: 'Default (ETH)',
   value: "m/44'/60'/0'/0"
diff --git a/common/config/index.ts b/common/config/index.ts
index c66161be..871c7f8d 100644
--- a/common/config/index.ts
+++ b/common/config/index.ts
@@ -1,4 +1,3 @@
-export * from './networks';
 export * from './data';
 export * from './bity';
 export * from './addressMessages';
diff --git a/common/config/networks.ts b/common/config/networks.ts
deleted file mode 100644
index ccdb8891..00000000
--- a/common/config/networks.ts
+++ /dev/null
@@ -1,373 +0,0 @@
-import { ethPlorer, ETHTokenExplorer, SecureWalletName, InsecureWalletName } from './data';
-import { EtherscanNode, InfuraNode, RPCNode, Web3Node } from 'libs/nodes';
-import { networkIdToName } from 'libs/values';
-import {
-  ETH_DEFAULT,
-  ETH_TREZOR,
-  ETH_LEDGER,
-  ETC_LEDGER,
-  ETC_TREZOR,
-  ETH_TESTNET,
-  EXP_DEFAULT,
-  UBQ_DEFAULT,
-  DPath
-} from 'config/dpaths';
-
-export interface BlockExplorerConfig {
-  origin: string;
-  txUrl(txHash: string): string;
-  addressUrl(address: string): string;
-}
-
-export interface Token {
-  address: string;
-  symbol: string;
-  decimal: number;
-  error?: string | null;
-}
-
-export interface NetworkContract {
-  name: NetworkKeys;
-  address?: string;
-  abi: string;
-}
-
-export interface DPathFormats {
-  trezor: DPath;
-  ledgerNanoS: DPath;
-  mnemonicPhrase: DPath;
-}
-
-export interface NetworkConfig {
-  // TODO really try not to allow strings due to custom networks
-  name: NetworkKeys;
-  unit: string;
-  color?: string;
-  blockExplorer?: BlockExplorerConfig;
-  tokenExplorer?: {
-    name: string;
-    address(address: string): string;
-  };
-  chainId: number;
-  tokens: Token[];
-  contracts: NetworkContract[] | null;
-  dPathFormats: DPathFormats;
-  isTestnet?: boolean;
-}
-
-export interface CustomNetworkConfig {
-  name: string;
-  unit: string;
-  chainId: number;
-  dPathFormats: DPathFormats | null;
-}
-
-export interface NodeConfig {
-  network: NetworkKeys;
-  lib: RPCNode | Web3Node;
-  service: string;
-  estimateGas?: boolean;
-  hidden?: boolean;
-}
-
-export interface CustomNodeConfig {
-  name: string;
-  url: string;
-  port: number;
-  network: string;
-  auth?: {
-    username: string;
-    password: string;
-  };
-}
-
-// Must be a website that follows the ethplorer convention of /tx/[hash] and
-// address/[address] to generate the correct functions.
-function makeExplorer(origin: string): BlockExplorerConfig {
-  return {
-    origin,
-    txUrl: hash => `${origin}/tx/${hash}`,
-    addressUrl: address => `${origin}/address/${address}`
-  };
-}
-
-const ETH: NetworkConfig = {
-  name: 'ETH',
-  unit: 'ETH',
-  chainId: 1,
-  color: '#0e97c0',
-  blockExplorer: makeExplorer('https://etherscan.io'),
-  tokenExplorer: {
-    name: ethPlorer,
-    address: ETHTokenExplorer
-  },
-  tokens: require('./tokens/eth.json'),
-  contracts: require('./contracts/eth.json'),
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: ETH_TREZOR,
-    [SecureWalletName.LEDGER_NANO_S]: ETH_LEDGER,
-    [InsecureWalletName.MNEMONIC_PHRASE]: ETH_DEFAULT
-  }
-};
-
-const Ropsten: NetworkConfig = {
-  name: 'Ropsten',
-  unit: 'ETH',
-  chainId: 3,
-  color: '#adc101',
-  blockExplorer: makeExplorer('https://ropsten.etherscan.io'),
-  tokens: require('./tokens/ropsten.json'),
-  contracts: require('./contracts/ropsten.json'),
-  isTestnet: true,
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: ETH_TESTNET,
-    [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
-    [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
-  }
-};
-
-const Kovan: NetworkConfig = {
-  name: 'Kovan',
-  unit: 'ETH',
-  chainId: 42,
-  color: '#adc101',
-  blockExplorer: makeExplorer('https://kovan.etherscan.io'),
-  tokens: require('./tokens/ropsten.json'),
-  contracts: require('./contracts/ropsten.json'),
-  isTestnet: true,
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: ETH_TESTNET,
-    [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
-    [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
-  }
-};
-
-const Rinkeby: NetworkConfig = {
-  name: 'Rinkeby',
-  unit: 'ETH',
-  chainId: 4,
-  color: '#adc101',
-  blockExplorer: makeExplorer('https://rinkeby.etherscan.io'),
-  tokens: require('./tokens/rinkeby.json'),
-  contracts: require('./contracts/rinkeby.json'),
-  isTestnet: true,
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: ETH_TESTNET,
-    [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
-    [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
-  }
-};
-
-const ETC: NetworkConfig = {
-  name: 'ETC',
-  unit: 'ETC',
-  chainId: 61,
-  color: '#669073',
-  blockExplorer: makeExplorer('https://gastracker.io'),
-  tokens: require('./tokens/etc.json'),
-  contracts: require('./contracts/etc.json'),
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: ETC_TREZOR,
-    [SecureWalletName.LEDGER_NANO_S]: ETC_LEDGER,
-    [InsecureWalletName.MNEMONIC_PHRASE]: ETC_TREZOR
-  }
-};
-
-const UBQ: NetworkConfig = {
-  name: 'UBQ',
-  unit: 'UBQ',
-  chainId: 8,
-  color: '#b37aff',
-  blockExplorer: makeExplorer('https://ubiqscan.io/en'),
-  tokens: require('./tokens/ubq.json'),
-  contracts: require('./contracts/ubq.json'),
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: UBQ_DEFAULT,
-    [SecureWalletName.LEDGER_NANO_S]: UBQ_DEFAULT,
-    [InsecureWalletName.MNEMONIC_PHRASE]: UBQ_DEFAULT
-  }
-};
-
-const EXP: NetworkConfig = {
-  name: 'EXP',
-  unit: 'EXP',
-  chainId: 2,
-  color: '#673ab7',
-  // tslint:disable:no-http-string - Unavailable behind HTTPS right now
-  blockExplorer: makeExplorer('http://www.gander.tech'),
-  // tslint:enable:no-http-string
-  tokens: require('./tokens/exp.json'),
-  contracts: require('./contracts/exp.json'),
-  dPathFormats: {
-    [SecureWalletName.TREZOR]: EXP_DEFAULT,
-    [SecureWalletName.LEDGER_NANO_S]: EXP_DEFAULT,
-    [InsecureWalletName.MNEMONIC_PHRASE]: EXP_DEFAULT
-  }
-};
-
-export const NETWORKS = {
-  ETH,
-  Ropsten,
-  Kovan,
-  Rinkeby,
-  ETC,
-  UBQ,
-  EXP
-};
-
-export type NetworkKeys = keyof typeof NETWORKS;
-
-enum NodeName {
-  ETH_MEW = 'eth_mew',
-  ETH_MYCRYPTO = 'eth_mycrypto',
-  ETH_ETHSCAN = 'eth_ethscan',
-  ETH_INFURA = 'eth_infura',
-  ROP_MEW = 'rop_mew',
-  ROP_INFURA = 'rop_infura',
-  KOV_ETHSCAN = 'kov_ethscan',
-  RIN_ETHSCAN = 'rin_ethscan',
-  RIN_INFURA = 'rin_infura',
-  ETC_EPOOL = 'etc_epool',
-  UBQ = 'ubq',
-  EXP_TECH = 'exp_tech'
-}
-
-type NonWeb3NodeConfigs = { [key in NodeName]: NodeConfig };
-
-interface Web3NodeConfig {
-  web3?: NodeConfig;
-}
-
-type NodeConfigs = NonWeb3NodeConfigs & Web3NodeConfig;
-
-export const NODES: NodeConfigs = {
-  eth_mew: {
-    network: 'ETH',
-    lib: new RPCNode('https://api.myetherapi.com/eth'),
-    service: 'MyEtherWallet',
-    estimateGas: true
-  },
-  eth_mycrypto: {
-    network: 'ETH',
-    lib: new RPCNode('https://api.mycryptoapi.com/eth'),
-    service: 'MyCrypto',
-    estimateGas: true
-  },
-  eth_ethscan: {
-    network: 'ETH',
-    service: 'Etherscan.io',
-    lib: new EtherscanNode('https://api.etherscan.io/api'),
-    estimateGas: false
-  },
-  eth_infura: {
-    network: 'ETH',
-    service: 'infura.io',
-    lib: new InfuraNode('https://mainnet.infura.io/mew'),
-    estimateGas: false
-  },
-  rop_mew: {
-    network: 'Ropsten',
-    service: 'MyEtherWallet',
-    lib: new RPCNode('https://api.myetherapi.com/rop'),
-    estimateGas: false
-  },
-  rop_infura: {
-    network: 'Ropsten',
-    service: 'infura.io',
-    lib: new InfuraNode('https://ropsten.infura.io/mew'),
-    estimateGas: false
-  },
-  kov_ethscan: {
-    network: 'Kovan',
-    service: 'Etherscan.io',
-    lib: new EtherscanNode('https://kovan.etherscan.io/api'),
-    estimateGas: false
-  },
-  rin_ethscan: {
-    network: 'Rinkeby',
-    service: 'Etherscan.io',
-    lib: new EtherscanNode('https://rinkeby.etherscan.io/api'),
-    estimateGas: false
-  },
-  rin_infura: {
-    network: 'Rinkeby',
-    service: 'infura.io',
-    lib: new InfuraNode('https://rinkeby.infura.io/mew'),
-    estimateGas: false
-  },
-  etc_epool: {
-    network: 'ETC',
-    service: 'Epool.io',
-    lib: new RPCNode('https://mewapi.epool.io'),
-    estimateGas: false
-  },
-  ubq: {
-    network: 'UBQ',
-    service: 'ubiqscan.io',
-    lib: new RPCNode('https://pyrus2.ubiqscan.io'),
-    estimateGas: true
-  },
-  exp_tech: {
-    network: 'EXP',
-    service: 'Expanse.tech',
-    lib: new RPCNode('https://node.expanse.tech/'),
-    estimateGas: true
-  }
-};
-
-interface Web3NodeInfo {
-  networkId: string;
-  lib: Web3Node;
-}
-
-export async function setupWeb3Node(): Promise<Web3NodeInfo> {
-  const { web3 } = window as any;
-
-  if (!web3 || !web3.currentProvider || !web3.currentProvider.sendAsync) {
-    throw new Error(
-      'Web3 not found. Please check that MetaMask is installed, or that MyCrypto is open in Mist.'
-    );
-  }
-
-  const lib = new Web3Node();
-  const networkId = await lib.getNetVersion();
-  const accounts = await lib.getAccounts();
-
-  if (!accounts.length) {
-    throw new Error('No accounts found in MetaMask / Mist.');
-  }
-
-  if (networkId === 'loading') {
-    throw new Error('MetaMask / Mist is still loading. Please refresh the page and try again.');
-  }
-
-  return { networkId, lib };
-}
-
-export async function isWeb3NodeAvailable(): Promise<boolean> {
-  try {
-    await setupWeb3Node();
-    return true;
-  } catch (e) {
-    return false;
-  }
-}
-
-export const Web3Service = 'MetaMask / Mist';
-
-export interface NodeConfigOverride extends NodeConfig {
-  network: any;
-}
-
-export async function initWeb3Node(): Promise<void> {
-  const { networkId, lib } = await setupWeb3Node();
-  const web3: NodeConfigOverride = {
-    network: networkIdToName(networkId),
-    service: Web3Service,
-    lib,
-    estimateGas: false,
-    hidden: true
-  };
-
-  NODES.web3 = web3;
-}
diff --git a/common/containers/TabSection/index.tsx b/common/containers/TabSection/index.tsx
index 7c58fbd2..7d86f79d 100644
--- a/common/containers/TabSection/index.tsx
+++ b/common/containers/TabSection/index.tsx
@@ -1,91 +1,31 @@
 import React, { Component } from 'react';
 import { connect } from 'react-redux';
-import {
-  changeLanguage as dChangeLanguage,
-  changeNodeIntent as dChangeNodeIntent,
-  addCustomNode as dAddCustomNode,
-  removeCustomNode as dRemoveCustomNode,
-  addCustomNetwork as dAddCustomNetwork,
-  TChangeLanguage,
-  TChangeNodeIntent,
-  TAddCustomNode,
-  TRemoveCustomNode,
-  TAddCustomNetwork
-} from 'actions/config';
-import { TSetGasPriceField, setGasPriceField as dSetGasPriceField } from 'actions/transaction';
 import { AlphaAgreement, Footer, Header } from 'components';
 import { AppState } from 'reducers';
 import Notifications from './Notifications';
 import OfflineTab from './OfflineTab';
+import { getOffline, getLatestBlock } from 'selectors/config';
 
-interface ReduxProps {
-  languageSelection: AppState['config']['languageSelection'];
-  node: AppState['config']['node'];
-  nodeSelection: AppState['config']['nodeSelection'];
-  isChangingNode: AppState['config']['isChangingNode'];
-  isOffline: AppState['config']['offline'];
-  customNodes: AppState['config']['customNodes'];
-  customNetworks: AppState['config']['customNetworks'];
-  latestBlock: AppState['config']['latestBlock'];
+interface StateProps {
+  isOffline: AppState['config']['meta']['offline'];
+  latestBlock: AppState['config']['meta']['latestBlock'];
 }
 
-interface ActionProps {
-  changeLanguage: TChangeLanguage;
-  changeNodeIntent: TChangeNodeIntent;
-  addCustomNode: TAddCustomNode;
-  removeCustomNode: TRemoveCustomNode;
-  addCustomNetwork: TAddCustomNetwork;
-  setGasPriceField: TSetGasPriceField;
-}
-
-type Props = {
+interface OwnProps {
   isUnavailableOffline?: boolean;
   children: string | React.ReactElement<string> | React.ReactElement<string>[];
-} & ReduxProps &
-  ActionProps;
+}
+
+type Props = OwnProps & StateProps;
 
 class TabSection extends Component<Props, {}> {
   public render() {
-    const {
-      isUnavailableOffline,
-      children,
-      // APP
-      node,
-      nodeSelection,
-      isChangingNode,
-      isOffline,
-      languageSelection,
-      customNodes,
-      customNetworks,
-      latestBlock,
-      setGasPriceField,
-      changeLanguage,
-      changeNodeIntent,
-      addCustomNode,
-      removeCustomNode,
-      addCustomNetwork
-    } = this.props;
-
-    const headerProps = {
-      languageSelection,
-      node,
-      nodeSelection,
-      isChangingNode,
-      isOffline,
-      customNodes,
-      customNetworks,
-      changeLanguage,
-      changeNodeIntent,
-      setGasPriceField,
-      addCustomNode,
-      removeCustomNode,
-      addCustomNetwork
-    };
+    const { isUnavailableOffline, children, isOffline, latestBlock } = this.props;
 
     return (
       <div className="page-layout">
         <main>
-          <Header {...headerProps} />
+          <Header />
           <div className="Tab container">
             {isUnavailableOffline && isOffline ? <OfflineTab /> : children}
           </div>
@@ -98,24 +38,11 @@ class TabSection extends Component<Props, {}> {
   }
 }
 
-function mapStateToProps(state: AppState): ReduxProps {
+function mapStateToProps(state: AppState): StateProps {
   return {
-    node: state.config.node,
-    nodeSelection: state.config.nodeSelection,
-    isChangingNode: state.config.isChangingNode,
-    isOffline: state.config.offline,
-    languageSelection: state.config.languageSelection,
-    customNodes: state.config.customNodes,
-    customNetworks: state.config.customNetworks,
-    latestBlock: state.config.latestBlock
+    isOffline: getOffline(state),
+    latestBlock: getLatestBlock(state)
   };
 }
 
-export default connect(mapStateToProps, {
-  setGasPriceField: dSetGasPriceField,
-  changeLanguage: dChangeLanguage,
-  changeNodeIntent: dChangeNodeIntent,
-  addCustomNode: dAddCustomNode,
-  removeCustomNode: dRemoveCustomNode,
-  addCustomNetwork: dAddCustomNetwork
-})(TabSection);
+export default connect(mapStateToProps, {})(TabSection);
diff --git a/common/containers/Tabs/Contracts/components/Interact/components/InteractExplorer/index.tsx b/common/containers/Tabs/Contracts/components/Interact/components/InteractExplorer/index.tsx
index 15cf7981..8e6f05c6 100644
--- a/common/containers/Tabs/Contracts/components/Interact/components/InteractExplorer/index.tsx
+++ b/common/containers/Tabs/Contracts/components/Interact/components/InteractExplorer/index.tsx
@@ -4,7 +4,6 @@ import './InteractExplorer.scss';
 import { TShowNotification, showNotification } from 'actions/notifications';
 import { getNodeLib } from 'selectors/config';
 import { getTo, getDataExists } from 'selectors/transaction';
-import { INode } from 'libs/nodes/INode';
 import { GenerateTransaction } from 'components/GenerateTransaction';
 import { AppState } from 'reducers';
 import { connect } from 'react-redux';
@@ -12,9 +11,11 @@ import { Fields } from './components';
 import { setDataField, TSetDataField } from 'actions/transaction';
 import { Data } from 'libs/units';
 import Select from 'react-select';
+import { Web3Node } from 'libs/nodes';
+import RpcNode from 'libs/nodes/rpc';
 
 interface StateProps {
-  nodeLib: INode;
+  nodeLib: RpcNode | Web3Node;
   to: AppState['transaction']['fields']['to'];
   dataExists: boolean;
 }
diff --git a/common/containers/Tabs/Contracts/components/Interact/components/InteractForm/index.tsx b/common/containers/Tabs/Contracts/components/Interact/components/InteractForm/index.tsx
index 41e13ec3..a56791d7 100644
--- a/common/containers/Tabs/Contracts/components/Interact/components/InteractForm/index.tsx
+++ b/common/containers/Tabs/Contracts/components/Interact/components/InteractForm/index.tsx
@@ -1,12 +1,13 @@
 import React, { Component } from 'react';
 import translate from 'translations';
-import { NetworkContract, donationAddressMap } from 'config';
 import { getNetworkContracts } from 'selectors/config';
 import { connect } from 'react-redux';
 import { AppState } from 'reducers';
 import { isValidETHAddress, isValidAbiJson } from 'libs/validators';
 import classnames from 'classnames';
 import Select from 'react-select';
+import { NetworkContract } from 'types/network';
+import { donationAddressMap } from 'config';
 
 interface ContractOption {
   name: string;
diff --git a/common/containers/Tabs/SendTransaction/components/RequestPayment.tsx b/common/containers/Tabs/SendTransaction/components/RequestPayment.tsx
index 8c54567f..3579a5f8 100644
--- a/common/containers/Tabs/SendTransaction/components/RequestPayment.tsx
+++ b/common/containers/Tabs/SendTransaction/components/RequestPayment.tsx
@@ -12,7 +12,6 @@ import {
   ICurrentValue
 } from 'selectors/transaction/current';
 import BN from 'bn.js';
-import { NetworkConfig } from 'config';
 import { validNumber, validDecimal } from 'libs/validators';
 import { getGasLimit } from 'selectors/transaction';
 import { AddressField, AmountField, TXMetaDataPanel } from 'components';
@@ -21,6 +20,7 @@ import { buildEIP681EtherRequest, buildEIP681TokenRequest } from 'libs/values';
 import { getNetworkConfig, getSelectedTokenContractAddress } from 'selectors/config';
 import './RequestPayment.scss';
 import { reset, TReset, setCurrentTo, TSetCurrentTo } from 'actions/transaction';
+import { NetworkConfig } from 'types/network';
 
 interface OwnProps {
   wallet: AppState['wallet']['inst'];
@@ -31,7 +31,7 @@ interface StateProps {
   currentTo: ICurrentTo;
   currentValue: ICurrentValue;
   gasLimit: SetGasLimitFieldAction['payload'];
-  networkConfig: NetworkConfig | undefined;
+  networkConfig: NetworkConfig;
   decimal: number;
   tokenContractAddress: string;
 }
diff --git a/common/containers/Tabs/SendTransaction/index.tsx b/common/containers/Tabs/SendTransaction/index.tsx
index c19a4022..03d395eb 100644
--- a/common/containers/Tabs/SendTransaction/index.tsx
+++ b/common/containers/Tabs/SendTransaction/index.tsx
@@ -15,9 +15,8 @@ import {
   UnavailableWallets
 } from 'containers/Tabs/SendTransaction/components';
 import SubTabs, { Tab } from 'components/SubTabs';
-import { getNetworkConfig } from 'selectors/config';
-import { isNetworkUnit } from 'utils/network';
 import { RouteNotFound } from 'components/RouteNotFound';
+import { isNetworkUnit } from 'selectors/config/wallet';
 
 const Send = () => (
   <React.Fragment>
@@ -28,7 +27,7 @@ const Send = () => (
 
 interface StateProps {
   wallet: AppState['wallet']['inst'];
-  network: AppState['config']['network'];
+  requestDisabled: boolean;
 }
 
 type Props = StateProps & RouteComponentProps<{}>;
@@ -46,7 +45,7 @@ class SendTransaction extends React.Component<Props> {
       {
         path: 'request',
         name: translate('Request Payment'),
-        disabled: !isNetworkUnit(this.props.network, 'ETH')
+        disabled: this.props.requestDisabled
       },
       {
         path: 'info',
@@ -100,5 +99,5 @@ class SendTransaction extends React.Component<Props> {
 
 export default connect((state: AppState) => ({
   wallet: getWalletInst(state),
-  network: getNetworkConfig(state)
+  requestDisabled: !isNetworkUnit(state, 'ETH')
 }))(SendTransaction);
diff --git a/common/containers/Tabs/Swap/components/LiteSend/LiteSend.tsx b/common/containers/Tabs/Swap/components/LiteSend/LiteSend.tsx
index d3058a8e..589fd14a 100644
--- a/common/containers/Tabs/Swap/components/LiteSend/LiteSend.tsx
+++ b/common/containers/Tabs/Swap/components/LiteSend/LiteSend.tsx
@@ -8,7 +8,7 @@ import { configureLiteSend, TConfigureLiteSend } from 'actions/swap';
 import { connect } from 'react-redux';
 import { AppState } from 'reducers';
 import { shouldDisplayLiteSend } from 'selectors/swap';
-import { NetworkConfig } from 'config';
+import { NetworkConfig } from 'types/network';
 
 interface DispatchProps {
   configureLiteSend: TConfigureLiteSend;
diff --git a/common/containers/Tabs/Swap/index.tsx b/common/containers/Tabs/Swap/index.tsx
index 564b7f6d..729a83c5 100644
--- a/common/containers/Tabs/Swap/index.tsx
+++ b/common/containers/Tabs/Swap/index.tsx
@@ -56,6 +56,7 @@ import TabSection from 'containers/TabSection';
 import { merge } from 'lodash';
 import { RouteNotFound } from 'components/RouteNotFound';
 import { Switch, Route, RouteComponentProps } from 'react-router';
+import { getOffline } from 'selectors/config';
 
 interface ReduxStateProps {
   step: number;
@@ -284,7 +285,7 @@ function mapStateToProps(state: AppState) {
     bityOrderStatus: state.swap.bityOrderStatus,
     shapeshiftOrderStatus: state.swap.shapeshiftOrderStatus,
     paymentAddress: state.swap.paymentAddress,
-    isOffline: state.config.offline
+    isOffline: getOffline(state)
   };
 }
 
diff --git a/common/libs/nodes/INode.ts b/common/libs/nodes/INode.ts
index 2d29b87d..a2064e71 100644
--- a/common/libs/nodes/INode.ts
+++ b/common/libs/nodes/INode.ts
@@ -1,6 +1,6 @@
-import { Token } from 'config';
 import { Wei, TokenValue } from 'libs/units';
 import { IHexStrTransaction } from 'libs/transaction';
+import { Token } from 'types/network';
 
 export interface TxObj {
   to: string;
diff --git a/common/libs/nodes/custom/index.ts b/common/libs/nodes/custom/index.ts
index 91f9d9ca..79254e74 100644
--- a/common/libs/nodes/custom/index.ts
+++ b/common/libs/nodes/custom/index.ts
@@ -1,11 +1,11 @@
 import RPCNode from '../rpc';
 import RPCClient from '../rpc/client';
-import { CustomNodeConfig } from 'config';
+import { CustomNodeConfig } from 'types/node';
+import { Omit } from 'react-router';
 
 export default class CustomNode extends RPCNode {
-  constructor(config: CustomNodeConfig) {
-    const endpoint = `${config.url}:${config.port}`;
-    super(endpoint);
+  constructor(config: Omit<CustomNodeConfig, 'lib'>) {
+    super(config.id);
 
     const headers: { [key: string]: string } = {};
     if (config.auth) {
@@ -13,6 +13,6 @@ export default class CustomNode extends RPCNode {
       headers.Authorization = `Basic ${btoa(`${username}:${password}`)}`;
     }
 
-    this.client = new RPCClient(endpoint, headers);
+    this.client = new RPCClient(config.id, headers);
   }
 }
diff --git a/common/libs/nodes/etherscan/requests.ts b/common/libs/nodes/etherscan/requests.ts
index 96e0a1d0..6fda0377 100644
--- a/common/libs/nodes/etherscan/requests.ts
+++ b/common/libs/nodes/etherscan/requests.ts
@@ -1,4 +1,3 @@
-import { Token } from 'config';
 import ERC20 from 'libs/erc20';
 import RPCRequests from '../rpc/requests';
 import {
@@ -10,6 +9,7 @@ import {
   SendRawTxRequest,
   GetCurrentBlockRequest
 } from './types';
+import { Token } from 'types/network';
 
 export default class EtherscanRequests extends RPCRequests {
   public sendRawTx(signedTx: string): SendRawTxRequest {
diff --git a/common/libs/nodes/rpc/index.ts b/common/libs/nodes/rpc/index.ts
index 8bb52f68..3b6a1674 100644
--- a/common/libs/nodes/rpc/index.ts
+++ b/common/libs/nodes/rpc/index.ts
@@ -1,5 +1,4 @@
 import BN from 'bn.js';
-import { Token } from 'config';
 import { IHexStrTransaction } from 'libs/transaction';
 import { Wei, TokenValue } from 'libs/units';
 import { stripHexPrefix } from 'libs/values';
@@ -15,6 +14,7 @@ import {
   isValidCurrentBlock,
   isValidRawTxApi
 } from '../../validators';
+import { Token } from 'types/network';
 
 export default class RpcNode implements INode {
   public client: RPCClient;
diff --git a/common/libs/nodes/rpc/requests.ts b/common/libs/nodes/rpc/requests.ts
index 3db0bb17..1d1c8d4f 100644
--- a/common/libs/nodes/rpc/requests.ts
+++ b/common/libs/nodes/rpc/requests.ts
@@ -1,4 +1,3 @@
-import { Token } from 'config';
 import ERC20 from 'libs/erc20';
 import {
   CallRequest,
@@ -11,6 +10,8 @@ import {
 } from './types';
 import { hexEncodeData } from './utils';
 import { TxObj } from '../INode';
+import { Token } from 'types/network';
+
 export default class RPCRequests {
   public getNetVersion() {
     return { method: 'net_version' };
diff --git a/common/libs/nodes/web3/index.ts b/common/libs/nodes/web3/index.ts
index 6540eeaf..06733e13 100644
--- a/common/libs/nodes/web3/index.ts
+++ b/common/libs/nodes/web3/index.ts
@@ -53,3 +53,38 @@ export default class Web3Node extends RPCNode {
 export function isWeb3Node(nodeLib: INode | Web3Node): nodeLib is Web3Node {
   return nodeLib instanceof Web3Node;
 }
+
+export const Web3Service = 'MetaMask / Mist';
+
+export async function setupWeb3Node() {
+  const { web3 } = window as any;
+
+  if (!web3 || !web3.currentProvider || !web3.currentProvider.sendAsync) {
+    throw new Error(
+      'Web3 not found. Please check that MetaMask is installed, or that MyEtherWallet is open in Mist.'
+    );
+  }
+
+  const lib = new Web3Node();
+  const networkId = await lib.getNetVersion();
+  const accounts = await lib.getAccounts();
+
+  if (!accounts.length) {
+    throw new Error('No accounts found in MetaMask / Mist.');
+  }
+
+  if (networkId === 'loading') {
+    throw new Error('MetaMask / Mist is still loading. Please refresh the page and try again.');
+  }
+
+  return { networkId, lib };
+}
+
+export async function isWeb3NodeAvailable(): Promise<boolean> {
+  try {
+    await setupWeb3Node();
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
diff --git a/common/libs/values.ts b/common/libs/values.ts
index a7673753..544c631c 100644
--- a/common/libs/values.ts
+++ b/common/libs/values.ts
@@ -1,7 +1,6 @@
 import { Wei, toTokenBase } from 'libs/units';
 import { addHexPrefix } from 'ethereumjs-util';
 import BN from 'bn.js';
-import { NetworkKeys } from 'config';
 
 export function stripHexPrefix(value: string) {
   return value.replace('0x', '');
@@ -24,21 +23,6 @@ export function sanitizeHex(hex: string) {
   return hex !== '' ? `0x${padLeftEven(hexStr)}` : '';
 }
 
-export function networkIdToName(networkId: string | number): NetworkKeys {
-  switch (networkId.toString()) {
-    case '1':
-      return 'ETH';
-    case '3':
-      return 'Ropsten';
-    case '4':
-      return 'Rinkeby';
-    case '42':
-      return 'Kovan';
-    default:
-      throw new Error(`Network ${networkId} is unsupported.`);
-  }
-}
-
 export const buildEIP681EtherRequest = (
   recipientAddr: string,
   chainId: number,
diff --git a/common/libs/wallet/non-deterministic/web3.ts b/common/libs/wallet/non-deterministic/web3.ts
index ba794838..60929823 100644
--- a/common/libs/wallet/non-deterministic/web3.ts
+++ b/common/libs/wallet/non-deterministic/web3.ts
@@ -1,9 +1,8 @@
 import { getTransactionFields, makeTransaction } from 'libs/transaction';
 import { IFullWallet } from '../IWallet';
-import { networkIdToName } from 'libs/values';
 import { bufferToHex } from 'ethereumjs-util';
 import { configuredStore } from 'store';
-import { getNodeLib } from 'selectors/config';
+import { getNodeLib, getNetworkNameByChainId } from 'selectors/config';
 import Web3Node, { isWeb3Node } from 'libs/nodes/web3';
 import { INode } from 'libs/nodes/INode';
 
@@ -29,6 +28,9 @@ export default class Web3Wallet implements IFullWallet {
     const state = configuredStore.getState();
     const nodeLib: Web3Node | INode = getNodeLib(state);
 
+    if (!nodeLib) {
+      throw new Error('');
+    }
     if (!isWeb3Node(nodeLib)) {
       throw new Error('Web3 wallets can only be used with a Web3 node.');
     }
@@ -55,7 +57,7 @@ export default class Web3Wallet implements IFullWallet {
     };
 
     const state = configuredStore.getState();
-    const nodeLib: Web3Node | INode = getNodeLib(state);
+    const nodeLib: Web3Node | INode | undefined = getNodeLib(state);
 
     if (!isWeb3Node(nodeLib)) {
       throw new Error('Web3 wallets can only be used with a Web3 node.');
@@ -67,7 +69,7 @@ export default class Web3Wallet implements IFullWallet {
 
   private async networkCheck(lib: Web3Node) {
     const netId = await lib.getNetVersion();
-    const netName = networkIdToName(netId);
+    const netName = getNetworkNameByChainId(configuredStore.getState(), netId);
     if (this.network !== netName) {
       throw new Error(
         `Expected MetaMask / Mist network to be ${
diff --git a/common/reducers/config.ts b/common/reducers/config.ts
deleted file mode 100644
index bf73c880..00000000
--- a/common/reducers/config.ts
+++ /dev/null
@@ -1,159 +0,0 @@
-import {
-  ChangeLanguageAction,
-  ChangeNodeAction,
-  AddCustomNodeAction,
-  RemoveCustomNodeAction,
-  AddCustomNetworkAction,
-  RemoveCustomNetworkAction,
-  SetLatestBlockAction,
-  ConfigAction
-} from 'actions/config';
-import { TypeKeys } from 'actions/config/constants';
-import {
-  NODES,
-  NETWORKS,
-  NodeConfig,
-  CustomNodeConfig,
-  NetworkConfig,
-  CustomNetworkConfig
-} from 'config';
-import { makeCustomNodeId } from 'utils/node';
-import { makeCustomNetworkId } from 'utils/network';
-
-export interface State {
-  // FIXME
-  languageSelection: string;
-  nodeSelection: string;
-  node: NodeConfig;
-  network: NetworkConfig;
-  isChangingNode: boolean;
-  offline: boolean;
-  autoGasLimit: boolean;
-  customNodes: CustomNodeConfig[];
-  customNetworks: CustomNetworkConfig[];
-  latestBlock: string;
-}
-
-const defaultNode = 'eth_mew';
-export const INITIAL_STATE: State = {
-  languageSelection: 'en',
-  nodeSelection: defaultNode,
-  node: NODES[defaultNode],
-  network: NETWORKS[NODES[defaultNode].network],
-  isChangingNode: false,
-  offline: false,
-  autoGasLimit: true,
-  customNodes: [],
-  customNetworks: [],
-  latestBlock: '???'
-};
-
-function changeLanguage(state: State, action: ChangeLanguageAction): State {
-  return {
-    ...state,
-    languageSelection: action.payload
-  };
-}
-
-function changeNode(state: State, action: ChangeNodeAction): State {
-  return {
-    ...state,
-    nodeSelection: action.payload.nodeSelection,
-    node: action.payload.node,
-    network: action.payload.network,
-    isChangingNode: false
-  };
-}
-
-function changeNodeIntent(state: State): State {
-  return {
-    ...state,
-    isChangingNode: true
-  };
-}
-
-function toggleOffline(state: State): State {
-  return {
-    ...state,
-    offline: !state.offline
-  };
-}
-
-function toggleAutoGasLimitEstimation(state: State): State {
-  return {
-    ...state,
-    autoGasLimit: !state.autoGasLimit
-  };
-}
-
-function addCustomNode(state: State, action: AddCustomNodeAction): State {
-  const newId = makeCustomNodeId(action.payload);
-  return {
-    ...state,
-    customNodes: [
-      ...state.customNodes.filter(node => makeCustomNodeId(node) !== newId),
-      action.payload
-    ]
-  };
-}
-
-function removeCustomNode(state: State, action: RemoveCustomNodeAction): State {
-  const id = makeCustomNodeId(action.payload);
-  return {
-    ...state,
-    customNodes: state.customNodes.filter(cn => cn !== action.payload),
-    nodeSelection: id === state.nodeSelection ? defaultNode : state.nodeSelection
-  };
-}
-
-function addCustomNetwork(state: State, action: AddCustomNetworkAction): State {
-  const newId = makeCustomNetworkId(action.payload);
-  return {
-    ...state,
-    customNetworks: [
-      ...state.customNetworks.filter(node => makeCustomNetworkId(node) !== newId),
-      action.payload
-    ]
-  };
-}
-
-function removeCustomNetwork(state: State, action: RemoveCustomNetworkAction): State {
-  return {
-    ...state,
-    customNetworks: state.customNetworks.filter(cn => cn !== action.payload)
-  };
-}
-
-function setLatestBlock(state: State, action: SetLatestBlockAction): State {
-  return {
-    ...state,
-    latestBlock: action.payload
-  };
-}
-
-export function config(state: State = INITIAL_STATE, action: ConfigAction): State {
-  switch (action.type) {
-    case TypeKeys.CONFIG_LANGUAGE_CHANGE:
-      return changeLanguage(state, action);
-    case TypeKeys.CONFIG_NODE_CHANGE:
-      return changeNode(state, action);
-    case TypeKeys.CONFIG_NODE_CHANGE_INTENT:
-      return changeNodeIntent(state);
-    case TypeKeys.CONFIG_TOGGLE_OFFLINE:
-      return toggleOffline(state);
-    case TypeKeys.CONFIG_TOGGLE_AUTO_GAS_LIMIT:
-      return toggleAutoGasLimitEstimation(state);
-    case TypeKeys.CONFIG_ADD_CUSTOM_NODE:
-      return addCustomNode(state, action);
-    case TypeKeys.CONFIG_REMOVE_CUSTOM_NODE:
-      return removeCustomNode(state, action);
-    case TypeKeys.CONFIG_ADD_CUSTOM_NETWORK:
-      return addCustomNetwork(state, action);
-    case TypeKeys.CONFIG_REMOVE_CUSTOM_NETWORK:
-      return removeCustomNetwork(state, action);
-    case TypeKeys.CONFIG_SET_LATEST_BLOCK:
-      return setLatestBlock(state, action);
-    default:
-      return state;
-  }
-}
diff --git a/common/reducers/config/index.ts b/common/reducers/config/index.ts
new file mode 100644
index 00000000..8389d994
--- /dev/null
+++ b/common/reducers/config/index.ts
@@ -0,0 +1,12 @@
+import { meta, State as MetaState } from './meta';
+import { networks, State as NetworksState } from './networks';
+import { nodes, State as NodesState } from './nodes';
+import { combineReducers } from 'redux';
+
+export interface State {
+  meta: MetaState;
+  networks: NetworksState;
+  nodes: NodesState;
+}
+
+export const config = combineReducers<State>({ meta, networks, nodes });
diff --git a/common/reducers/config/meta/index.ts b/common/reducers/config/meta/index.ts
new file mode 100644
index 00000000..c9942f46
--- /dev/null
+++ b/common/reducers/config/meta/index.ts
@@ -0,0 +1 @@
+export * from './meta';
diff --git a/common/reducers/config/meta/meta.ts b/common/reducers/config/meta/meta.ts
new file mode 100644
index 00000000..7cdbb23b
--- /dev/null
+++ b/common/reducers/config/meta/meta.ts
@@ -0,0 +1,61 @@
+import { ChangeLanguageAction, SetLatestBlockAction, MetaAction } from 'actions/config';
+import { TypeKeys } from 'actions/config/constants';
+
+export interface State {
+  languageSelection: string;
+  offline: boolean;
+  autoGasLimit: boolean;
+  latestBlock: string;
+}
+
+const INITIAL_STATE: State = {
+  languageSelection: 'en',
+  offline: false,
+  autoGasLimit: true,
+  latestBlock: '???'
+};
+
+function changeLanguage(state: State, action: ChangeLanguageAction): State {
+  return {
+    ...state,
+    languageSelection: action.payload
+  };
+}
+
+function toggleOffline(state: State): State {
+  return {
+    ...state,
+    offline: !state.offline
+  };
+}
+
+function toggleAutoGasLimitEstimation(state: State): State {
+  return {
+    ...state,
+    autoGasLimit: !state.autoGasLimit
+  };
+}
+
+function setLatestBlock(state: State, action: SetLatestBlockAction): State {
+  return {
+    ...state,
+    latestBlock: action.payload
+  };
+}
+
+export function meta(state: State = INITIAL_STATE, action: MetaAction): State {
+  switch (action.type) {
+    case TypeKeys.CONFIG_LANGUAGE_CHANGE:
+      return changeLanguage(state, action);
+
+    case TypeKeys.CONFIG_TOGGLE_OFFLINE:
+      return toggleOffline(state);
+    case TypeKeys.CONFIG_TOGGLE_AUTO_GAS_LIMIT:
+      return toggleAutoGasLimitEstimation(state);
+
+    case TypeKeys.CONFIG_SET_LATEST_BLOCK:
+      return setLatestBlock(state, action);
+    default:
+      return state;
+  }
+}
diff --git a/common/reducers/config/networks/customNetworks.ts b/common/reducers/config/networks/customNetworks.ts
new file mode 100644
index 00000000..fb49972c
--- /dev/null
+++ b/common/reducers/config/networks/customNetworks.ts
@@ -0,0 +1,34 @@
+import {
+  AddCustomNetworkAction,
+  RemoveCustomNetworkAction,
+  CustomNetworkAction,
+  TypeKeys
+} from 'actions/config';
+import { CustomNetworkConfig } from 'types/network';
+
+// TODO: this doesn't accurately represent state, as
+export interface State {
+  [customNetworkId: string]: CustomNetworkConfig;
+}
+
+const addCustomNetwork = (state: State, { payload }: AddCustomNetworkAction): State => ({
+  ...state,
+  [payload.id]: payload.config
+});
+
+function removeCustomNetwork(state: State, { payload }: RemoveCustomNetworkAction): State {
+  const stateCopy = { ...state };
+  Reflect.deleteProperty(stateCopy, payload.id);
+  return stateCopy;
+}
+
+export const customNetworks = (state: State = {}, action: CustomNetworkAction) => {
+  switch (action.type) {
+    case TypeKeys.CONFIG_ADD_CUSTOM_NETWORK:
+      return addCustomNetwork(state, action);
+    case TypeKeys.CONFIG_REMOVE_CUSTOM_NETWORK:
+      return removeCustomNetwork(state, action);
+    default:
+      return state;
+  }
+};
diff --git a/common/reducers/config/networks/index.ts b/common/reducers/config/networks/index.ts
new file mode 100644
index 00000000..9c0a2760
--- /dev/null
+++ b/common/reducers/config/networks/index.ts
@@ -0,0 +1,15 @@
+import { customNetworks, State as CustomNetworksState } from './customNetworks';
+import { staticNetworks, State as StaticNetworksState } from './staticNetworks';
+import { combineReducers } from 'redux';
+
+interface State {
+  customNetworks: CustomNetworksState;
+  staticNetworks: StaticNetworksState;
+}
+
+const networks = combineReducers<State>({
+  customNetworks,
+  staticNetworks
+});
+
+export { State, networks, StaticNetworksState, CustomNetworksState };
diff --git a/common/reducers/config/networks/staticNetworks.ts b/common/reducers/config/networks/staticNetworks.ts
new file mode 100644
index 00000000..cc1e4bc2
--- /dev/null
+++ b/common/reducers/config/networks/staticNetworks.ts
@@ -0,0 +1,148 @@
+import { ethPlorer, ETHTokenExplorer, SecureWalletName, InsecureWalletName } from 'config/data';
+import {
+  ETH_DEFAULT,
+  ETH_TREZOR,
+  ETH_LEDGER,
+  ETC_LEDGER,
+  ETC_TREZOR,
+  ETH_TESTNET,
+  EXP_DEFAULT,
+  UBQ_DEFAULT
+} from 'config/dpaths';
+import { ConfigAction } from 'actions/config';
+import { StaticNetworkIds, StaticNetworkConfig, BlockExplorerConfig } from 'types/network';
+
+export type State = { [key in StaticNetworkIds]: StaticNetworkConfig };
+
+// Must be a website that follows the ethplorer convention of /tx/[hash] and
+// address/[address] to generate the correct functions.
+// TODO: put this in utils / libs
+export function makeExplorer(origin: string): BlockExplorerConfig {
+  return {
+    origin,
+    txUrl: hash => `${origin}/tx/${hash}`,
+    addressUrl: address => `${origin}/address/${address}`
+  };
+}
+
+const INITIAL_STATE: State = {
+  ETH: {
+    name: 'ETH',
+    unit: 'ETH',
+    chainId: 1,
+    isCustom: false,
+    color: '#0e97c0',
+    blockExplorer: makeExplorer('https://etherscan.io'),
+    tokenExplorer: {
+      name: ethPlorer,
+      address: ETHTokenExplorer
+    },
+    tokens: require('config/tokens/eth.json'),
+    contracts: require('config/contracts/eth.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TREZOR,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_LEDGER,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_DEFAULT
+    }
+  },
+  Ropsten: {
+    name: 'Ropsten',
+    unit: 'ETH',
+    chainId: 3,
+    isCustom: false,
+    color: '#adc101',
+    blockExplorer: makeExplorer('https://ropsten.etherscan.io'),
+    tokens: require('config/tokens/ropsten.json'),
+    contracts: require('config/contracts/ropsten.json'),
+    isTestnet: true,
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TESTNET,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
+    }
+  },
+  Kovan: {
+    name: 'Kovan',
+    unit: 'ETH',
+    chainId: 42,
+    isCustom: false,
+    color: '#adc101',
+    blockExplorer: makeExplorer('https://kovan.etherscan.io'),
+    tokens: require('config/tokens/ropsten.json'),
+    contracts: require('config/contracts/ropsten.json'),
+    isTestnet: true,
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TESTNET,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
+    }
+  },
+  Rinkeby: {
+    name: 'Rinkeby',
+    unit: 'ETH',
+    chainId: 4,
+    isCustom: false,
+    color: '#adc101',
+    blockExplorer: makeExplorer('https://rinkeby.etherscan.io'),
+    tokens: require('config/tokens/rinkeby.json'),
+    contracts: require('config/contracts/rinkeby.json'),
+    isTestnet: true,
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TESTNET,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
+    }
+  },
+  ETC: {
+    name: 'ETC',
+    unit: 'ETC',
+    chainId: 61,
+    isCustom: false,
+    color: '#669073',
+    blockExplorer: makeExplorer('https://gastracker.io'),
+    tokens: require('config/tokens/etc.json'),
+    contracts: require('config/contracts/etc.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETC_TREZOR,
+      [SecureWalletName.LEDGER_NANO_S]: ETC_LEDGER,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETC_TREZOR
+    }
+  },
+  UBQ: {
+    name: 'UBQ',
+    unit: 'UBQ',
+    chainId: 8,
+    isCustom: false,
+    color: '#b37aff',
+    blockExplorer: makeExplorer('https://ubiqscan.io/en'),
+    tokens: require('config/tokens/ubq.json'),
+    contracts: require('config/contracts/ubq.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: UBQ_DEFAULT,
+      [SecureWalletName.LEDGER_NANO_S]: UBQ_DEFAULT,
+      [InsecureWalletName.MNEMONIC_PHRASE]: UBQ_DEFAULT
+    }
+  },
+  EXP: {
+    name: 'EXP',
+    unit: 'EXP',
+    chainId: 2,
+    isCustom: false,
+    color: '#673ab7',
+    blockExplorer: makeExplorer('https://www.gander.tech'),
+    tokens: require('config/tokens/exp.json'),
+    contracts: require('config/contracts/exp.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: EXP_DEFAULT,
+      [SecureWalletName.LEDGER_NANO_S]: EXP_DEFAULT,
+      [InsecureWalletName.MNEMONIC_PHRASE]: EXP_DEFAULT
+    }
+  }
+};
+
+export const staticNetworks = (state: State = INITIAL_STATE, action: ConfigAction) => {
+  switch (action.type) {
+    default:
+      return state;
+  }
+};
diff --git a/common/reducers/config/nodes/customNodes.ts b/common/reducers/config/nodes/customNodes.ts
new file mode 100644
index 00000000..f424af1b
--- /dev/null
+++ b/common/reducers/config/nodes/customNodes.ts
@@ -0,0 +1,33 @@
+import {
+  TypeKeys,
+  CustomNodeAction,
+  AddCustomNodeAction,
+  RemoveCustomNodeAction
+} from 'actions/config';
+import { CustomNodeConfig } from 'types/node';
+
+export interface State {
+  [customNodeId: string]: CustomNodeConfig;
+}
+
+const addCustomNode = (state: State, { payload }: AddCustomNodeAction): State => ({
+  ...state,
+  [payload.id]: payload.config
+});
+
+function removeCustomNode(state: State, { payload }: RemoveCustomNodeAction): State {
+  const stateCopy = { ...state };
+  Reflect.deleteProperty(stateCopy, payload.id);
+  return stateCopy;
+}
+
+export const customNodes = (state: State = {}, action: CustomNodeAction): State => {
+  switch (action.type) {
+    case TypeKeys.CONFIG_ADD_CUSTOM_NODE:
+      return addCustomNode(state, action);
+    case TypeKeys.CONFIG_REMOVE_CUSTOM_NODE:
+      return removeCustomNode(state, action);
+    default:
+      return state;
+  }
+};
diff --git a/common/reducers/config/nodes/index.ts b/common/reducers/config/nodes/index.ts
new file mode 100644
index 00000000..07fdebea
--- /dev/null
+++ b/common/reducers/config/nodes/index.ts
@@ -0,0 +1,14 @@
+import { customNodes, State as CustomNodesState } from './customNodes';
+import { staticNodes, State as StaticNodesState } from './staticNodes';
+import { selectedNode, State as SelectedNodeState } from './selectedNode';
+import { combineReducers } from 'redux';
+
+interface State {
+  customNodes: CustomNodesState;
+  staticNodes: StaticNodesState;
+  selectedNode: SelectedNodeState;
+}
+
+const nodes = combineReducers<State>({ customNodes, staticNodes, selectedNode });
+
+export { State, nodes, CustomNodesState, StaticNodesState, SelectedNodeState };
diff --git a/common/reducers/config/nodes/selectedNode.ts b/common/reducers/config/nodes/selectedNode.ts
new file mode 100644
index 00000000..6d69e6e7
--- /dev/null
+++ b/common/reducers/config/nodes/selectedNode.ts
@@ -0,0 +1,53 @@
+import {
+  ChangeNodeAction,
+  ChangeNodeIntentAction,
+  NodeAction,
+  TypeKeys,
+  RemoveCustomNodeAction,
+  CustomNodeAction
+} from 'actions/config';
+
+interface NodeLoaded {
+  pending: false;
+  nodeId: string;
+}
+
+interface NodeChangePending {
+  pending: true;
+  nodeId: string;
+}
+
+export type State = NodeLoaded | NodeChangePending;
+
+export const INITIAL_STATE: NodeLoaded = {
+  nodeId: 'eth_mycrypto',
+  pending: false
+};
+
+const changeNode = (_: State, { payload }: ChangeNodeAction): State => ({
+  nodeId: payload.nodeId,
+  pending: false
+});
+
+const changeNodeIntent = (state: State, _: ChangeNodeIntentAction): State => ({
+  ...state,
+  pending: true
+});
+
+const handleRemoveCustomNode = (_: State, _1: RemoveCustomNodeAction): State => INITIAL_STATE;
+
+export const selectedNode = (
+  state: State = INITIAL_STATE,
+  action: NodeAction | CustomNodeAction
+) => {
+  switch (action.type) {
+    case TypeKeys.CONFIG_NODE_CHANGE:
+      return changeNode(state, action);
+    case TypeKeys.CONFIG_NODE_CHANGE_INTENT:
+      return changeNodeIntent(state, action);
+    case TypeKeys.CONFIG_REMOVE_CUSTOM_NODE:
+      return handleRemoveCustomNode(state, action);
+    default:
+      return state;
+  }
+};
diff --git a/common/reducers/config/nodes/staticNodes.ts b/common/reducers/config/nodes/staticNodes.ts
new file mode 100644
index 00000000..b5b9e029
--- /dev/null
+++ b/common/reducers/config/nodes/staticNodes.ts
@@ -0,0 +1,91 @@
+import { EtherscanNode, InfuraNode, RPCNode } from 'libs/nodes';
+import { TypeKeys, NodeAction } from 'actions/config';
+import { NonWeb3NodeConfigs, Web3NodeConfigs } from 'types/node';
+
+export type State = NonWeb3NodeConfigs & Web3NodeConfigs;
+
+export const INITIAL_STATE: State = {
+  eth_mycrypto: {
+    network: 'ETH',
+    isCustom: false,
+    lib: new RPCNode('https://api.mycryptoapi.com/eth'),
+    service: 'MyCrypto',
+    estimateGas: true
+  },
+  eth_ethscan: {
+    network: 'ETH',
+    isCustom: false,
+    service: 'Etherscan.io',
+    lib: new EtherscanNode('https://api.etherscan.io/api'),
+    estimateGas: false
+  },
+  eth_infura: {
+    network: 'ETH',
+    isCustom: false,
+    service: 'infura.io',
+    lib: new InfuraNode('https://mainnet.infura.io/mew'),
+    estimateGas: false
+  },
+  rop_infura: {
+    network: 'Ropsten',
+    isCustom: false,
+    service: 'infura.io',
+    lib: new InfuraNode('https://ropsten.infura.io/mew'),
+    estimateGas: false
+  },
+  kov_ethscan: {
+    network: 'Kovan',
+    isCustom: false,
+    service: 'Etherscan.io',
+    lib: new EtherscanNode('https://kovan.etherscan.io/api'),
+    estimateGas: false
+  },
+  rin_ethscan: {
+    network: 'Rinkeby',
+    isCustom: false,
+    service: 'Etherscan.io',
+    lib: new EtherscanNode('https://rinkeby.etherscan.io/api'),
+    estimateGas: false
+  },
+  rin_infura: {
+    network: 'Rinkeby',
+    isCustom: false,
+    service: 'infura.io',
+    lib: new InfuraNode('https://rinkeby.infura.io/mew'),
+    estimateGas: false
+  },
+  etc_epool: {
+    network: 'ETC',
+    isCustom: false,
+    service: 'Epool.io',
+    lib: new RPCNode('https://mewapi.epool.io'),
+    estimateGas: false
+  },
+  ubq: {
+    network: 'UBQ',
+    isCustom: false,
+    service: 'ubiqscan.io',
+    lib: new RPCNode('https://pyrus2.ubiqscan.io'),
+    estimateGas: true
+  },
+  exp_tech: {
+    network: 'EXP',
+    isCustom: false,
+    service: 'Expanse.tech',
+    lib: new RPCNode('https://node.expanse.tech/'),
+    estimateGas: true
+  }
+};
+
+export const staticNodes = (state: State = INITIAL_STATE, action: NodeAction) => {
+  switch (action.type) {
+    case TypeKeys.CONFIG_NODE_WEB3_SET:
+      return { ...state, [action.payload.id]: action.payload.config };
+    case TypeKeys.CONFIG_NODE_WEB3_UNSET:
+      const stateCopy = { ...state };
+      Reflect.deleteProperty(stateCopy, 'web3');
+      return stateCopy;
+    default:
+      return state;
+  }
+};
diff --git a/common/reducers/customTokens.ts b/common/reducers/customTokens.ts
index 3ebca005..23780834 100644
--- a/common/reducers/customTokens.ts
+++ b/common/reducers/customTokens.ts
@@ -4,7 +4,7 @@ import {
   RemoveCustomTokenAction
 } from 'actions/customTokens';
 import { TypeKeys } from 'actions/customTokens/constants';
-import { Token } from 'config';
+import { Token } from 'types/network';
 
 export type State = Token[];
 
diff --git a/common/reducers/index.ts b/common/reducers/index.ts
index 73122d55..e29992df 100644
--- a/common/reducers/index.ts
+++ b/common/reducers/index.ts
@@ -28,7 +28,7 @@ export interface AppState {
   transaction: TransactionState;
 }
 
-export default combineReducers({
+export default combineReducers<AppState>({
   config,
   swap,
   notifications,
diff --git a/common/sagas/config.ts b/common/sagas/config.ts
deleted file mode 100644
index db184fce..00000000
--- a/common/sagas/config.ts
+++ /dev/null
@@ -1,269 +0,0 @@
-import { delay, SagaIterator } from 'redux-saga';
-import {
-  call,
-  cancel,
-  fork,
-  put,
-  take,
-  takeLatest,
-  takeEvery,
-  select,
-  race
-} from 'redux-saga/effects';
-import {
-  NODES,
-  NETWORKS,
-  NodeConfig,
-  CustomNodeConfig,
-  CustomNetworkConfig,
-  Web3Service
-} from 'config';
-import {
-  makeCustomNodeId,
-  getCustomNodeConfigFromId,
-  makeNodeConfigFromCustomConfig
-} from 'utils/node';
-import { makeCustomNetworkId, getNetworkConfigFromId } from 'utils/network';
-import {
-  getNode,
-  getNodeConfig,
-  getCustomNodeConfigs,
-  getCustomNetworkConfigs,
-  getOffline
-} from 'selectors/config';
-import { AppState } from 'reducers';
-import { TypeKeys } from 'actions/config/constants';
-import {
-  toggleOfflineConfig,
-  changeNode,
-  changeNodeIntent,
-  setLatestBlock,
-  removeCustomNetwork,
-  AddCustomNodeAction,
-  ChangeNodeIntentAction
-} from 'actions/config';
-import { showNotification } from 'actions/notifications';
-import { translateRaw } from 'translations';
-import { Web3Wallet } from 'libs/wallet';
-import { TypeKeys as WalletTypeKeys } from 'actions/wallet/constants';
-import { State as ConfigState, INITIAL_STATE as configInitialState } from 'reducers/config';
-
-export const getConfig = (state: AppState): ConfigState => state.config;
-
-let hasCheckedOnline = false;
-export function* pollOfflineStatus(): SagaIterator {
-  while (true) {
-    const node: NodeConfig = yield select(getNodeConfig);
-    const isOffline: boolean = yield select(getOffline);
-
-    // If our offline state disagrees with the browser, run a check
-    // Don't check if the user is in another tab or window
-    const shouldPing = !hasCheckedOnline || navigator.onLine === isOffline;
-    if (shouldPing && !document.hidden) {
-      const { pingSucceeded } = yield race({
-        pingSucceeded: call(node.lib.ping.bind(node.lib)),
-        timeout: call(delay, 5000)
-      });
-
-      if (pingSucceeded && isOffline) {
-        // If we were able to ping but redux says we're offline, mark online
-        yield put(
-          showNotification('success', 'Your connection to the network has been restored!', 3000)
-        );
-        yield put(toggleOfflineConfig());
-      } else if (!pingSucceeded && !isOffline) {
-        // If we were unable to ping but redux says we're online, mark offline
-        // If they had been online, show an error.
-        // If they hadn't been online, just inform them with a warning.
-        if (hasCheckedOnline) {
-          yield put(
-            showNotification(
-              'danger',
-              `You’ve lost your connection to the network, check your internet
-              connection or try changing networks from the dropdown at the
-              top right of the page.`,
-              Infinity
-            )
-          );
-        } else {
-          yield put(
-            showNotification(
-              'info',
-              'You are currently offline. Some features will be unavailable.',
-              5000
-            )
-          );
-        }
-        yield put(toggleOfflineConfig());
-      } else {
-        // If neither case was true, try again in 5s
-        yield call(delay, 5000);
-      }
-      hasCheckedOnline = true;
-    } else {
-      yield call(delay, 1000);
-    }
-  }
-}
-
-// Fork our recurring API call, watch for the need to cancel.
-export function* handlePollOfflineStatus(): SagaIterator {
-  const pollOfflineStatusTask = yield fork(pollOfflineStatus);
-  yield take('CONFIG_STOP_POLL_OFFLINE_STATE');
-  yield cancel(pollOfflineStatusTask);
-}
-
-// @HACK For now we reload the app when doing a language swap to force non-connected
-// data to reload. Also the use of timeout to avoid using additional actions for now.
-export function* reload(): SagaIterator {
-  setTimeout(() => location.reload(), 1150);
-}
-
-export function* handleNodeChangeIntent(action: ChangeNodeIntentAction): SagaIterator {
-  const currentNode: string = yield select(getNode);
-  const currentConfig: NodeConfig = yield select(getNodeConfig);
-  const customNets: CustomNetworkConfig[] = yield select(getCustomNetworkConfigs);
-  const currentNetwork =
-    getNetworkConfigFromId(currentConfig.network, customNets) || NETWORKS[currentConfig.network];
-
-  function* bailOut(message: string) {
-    yield put(showNotification('danger', message, 5000));
-    yield put(changeNode(currentNode, currentConfig, currentNetwork));
-  }
-
-  let actionConfig = NODES[action.payload];
-  if (!actionConfig) {
-    const customConfigs: CustomNodeConfig[] = yield select(getCustomNodeConfigs);
-    const config = getCustomNodeConfigFromId(action.payload, customConfigs);
-    if (config) {
-      actionConfig = makeNodeConfigFromCustomConfig(config);
-    }
-  }
-
-  if (!actionConfig) {
-    return yield* bailOut(`Attempted to switch to unknown node '${action.payload}'`);
-  }
-
-  // Grab latest block from the node, before switching, to confirm it's online
-  // Give it 5 seconds before we call it offline
-  let latestBlock;
-  let timeout;
-  try {
-    const { lb, to } = yield race({
-      lb: call(actionConfig.lib.getCurrentBlock.bind(actionConfig.lib)),
-      to: call(delay, 5000)
-    });
-    latestBlock = lb;
-    timeout = to;
-  } catch (err) {
-    // Whether it times out or errors, same message
-    timeout = true;
-  }
-
-  if (timeout) {
-    return yield* bailOut(translateRaw('ERROR_32'));
-  }
-
-  const actionNetwork = getNetworkConfigFromId(actionConfig.network, customNets);
-
-  if (!actionNetwork) {
-    return yield* bailOut(
-      `Unknown custom network for your node '${action.payload}', try re-adding it`
-    );
-  }
-
-  yield put(setLatestBlock(latestBlock));
-  yield put(changeNode(action.payload, actionConfig, actionNetwork));
-
-  // TODO - re-enable once DeterministicWallet state is fixed to flush properly.
-  // DeterministicWallet keeps path related state we need to flush before we can stop reloading
-
-  // const currentWallet: IWallet | null = yield select(getWalletInst);
-  // if there's no wallet, do not reload as there's no component state to resync
-  // if (currentWallet && currentConfig.network !== actionConfig.network) {
-
-  const isNewNetwork = currentConfig.network !== actionConfig.network;
-  const newIsWeb3 = actionConfig.service === Web3Service;
-  // don't reload when web3 is selected; node will automatically re-set and state is not an issue here
-  if (isNewNetwork && !newIsWeb3) {
-    yield call(reload);
-  }
-}
-
-export function* switchToNewNode(action: AddCustomNodeAction): SagaIterator {
-  const nodeId = makeCustomNodeId(action.payload);
-  yield put(changeNodeIntent(nodeId));
-}
-
-// If there are any orphaned custom networks, purge them
-export function* cleanCustomNetworks(): SagaIterator {
-  const customNodes = yield select(getCustomNodeConfigs);
-  const customNetworks = yield select(getCustomNetworkConfigs);
-  const networksInUse = customNodes.reduce((prev, conf) => {
-    prev[conf.network] = true;
-    return prev;
-  }, {});
-
-  for (const net of customNetworks) {
-    if (!networksInUse[makeCustomNetworkId(net)]) {
-      yield put(removeCustomNetwork(net));
-    }
-  }
-}
-
-// unset web3 as the selected node if a non-web3 wallet has been selected
-export function* unsetWeb3NodeOnWalletEvent(action): SagaIterator {
-  const node = yield select(getNode);
-  const nodeConfig = yield select(getNodeConfig);
-  const newWallet = action.payload;
-  const isWeb3Wallet = newWallet instanceof Web3Wallet;
-
-  if (node !== 'web3' || isWeb3Wallet) {
-    return;
-  }
-
-  // switch back to a node with the same network as MetaMask/Mist
-  yield put(changeNodeIntent(equivalentNodeOrDefault(nodeConfig)));
-}
-
-export function* unsetWeb3Node(): SagaIterator {
-  const node = yield select(getNode);
-
-  if (node !== 'web3') {
-    return;
-  }
-
-  const nodeConfig: NodeConfig = yield select(getNodeConfig);
-  const newNode = equivalentNodeOrDefault(nodeConfig);
-
-  yield put(changeNodeIntent(newNode));
-}
-
-export const equivalentNodeOrDefault = (nodeConfig: NodeConfig) => {
-  const node = Object.keys(NODES)
-    .filter(key => key !== 'web3')
-    .reduce((found, key) => {
-      const config = NODES[key];
-      if (found.length) {
-        return found;
-      }
-      if (nodeConfig.network === config.network) {
-        return (found = key);
-      }
-      return found;
-    }, '');
-
-  // if no equivalent node was found, use the app default
-  return node.length ? node : configInitialState.nodeSelection;
-};
-
-export default function* configSaga(): SagaIterator {
-  yield takeLatest(TypeKeys.CONFIG_POLL_OFFLINE_STATUS, handlePollOfflineStatus);
-  yield takeEvery(TypeKeys.CONFIG_NODE_CHANGE_INTENT, handleNodeChangeIntent);
-  yield takeEvery(TypeKeys.CONFIG_LANGUAGE_CHANGE, reload);
-  yield takeEvery(TypeKeys.CONFIG_ADD_CUSTOM_NODE, switchToNewNode);
-  yield takeEvery(TypeKeys.CONFIG_REMOVE_CUSTOM_NODE, cleanCustomNetworks);
-  yield takeEvery(TypeKeys.CONFIG_NODE_WEB3_UNSET, unsetWeb3Node);
-  yield takeEvery(WalletTypeKeys.WALLET_SET, unsetWeb3NodeOnWalletEvent);
-  yield takeEvery(WalletTypeKeys.WALLET_RESET, unsetWeb3NodeOnWalletEvent);
-}
diff --git a/common/sagas/config/index.ts b/common/sagas/config/index.ts
new file mode 100644
index 00000000..2f9a93d5
--- /dev/null
+++ b/common/sagas/config/index.ts
@@ -0,0 +1,9 @@
+import { network } from './network';
+import { node } from './node';
+import { web3 } from './web3';
+import { all } from 'redux-saga/effects';
+import { SagaIterator } from 'redux-saga';
+
+export default function*(): SagaIterator {
+  yield all([...network, ...node, ...web3]);
+}
diff --git a/common/sagas/config/network.ts b/common/sagas/config/network.ts
new file mode 100644
index 00000000..7f75e9c4
--- /dev/null
+++ b/common/sagas/config/network.ts
@@ -0,0 +1,30 @@
+import { select, takeEvery, put } from 'redux-saga/effects';
+import { getCustomNodeConfigs, getCustomNetworkConfigs } from 'selectors/config';
+import { removeCustomNetwork, TypeKeys } from 'actions/config';
+import { SagaIterator } from 'redux-saga';
+import { AppState } from 'reducers';
+
+// If there are any orphaned custom networks, prune them
+export function* pruneCustomNetworks(): SagaIterator {
+  const customNodes: AppState['config']['nodes']['customNodes'] = yield select(
+    getCustomNodeConfigs
+  );
+  const customNetworks: AppState['config']['networks']['customNetworks'] = yield select(
+    getCustomNetworkConfigs
+  );
+
+  //construct lookup table of networks
+
+  const linkedNetworks = Object.values(customNodes).reduce(
+    (networkMap, currentNode) => ({ ...networkMap, [currentNode.network]: true }),
+    {}
+  );
+
+  for (const currNetwork of Object.keys(customNetworks)) {
+    if (!linkedNetworks[currNetwork]) {
+      yield put(removeCustomNetwork({ id: currNetwork }));
+    }
+  }
+}
+
+export const network = [takeEvery(TypeKeys.CONFIG_REMOVE_CUSTOM_NODE, pruneCustomNetworks)];
diff --git a/common/sagas/config/node.ts b/common/sagas/config/node.ts
new file mode 100644
index 00000000..23029509
--- /dev/null
+++ b/common/sagas/config/node.ts
@@ -0,0 +1,195 @@
+import { delay, SagaIterator } from 'redux-saga';
+import {
+  call,
+  cancel,
+  fork,
+  put,
+  take,
+  takeEvery,
+  select,
+  race,
+  apply,
+  takeLatest
+} from 'redux-saga/effects';
+import {
+  getNodeId,
+  getNodeConfig,
+  getOffline,
+  isStaticNodeId,
+  getCustomNodeFromId,
+  getStaticNodeFromId,
+  getNetworkConfigById
+} from 'selectors/config';
+import { TypeKeys } from 'actions/config/constants';
+import {
+  toggleOffline,
+  changeNode,
+  changeNodeIntent,
+  setLatestBlock,
+  AddCustomNodeAction,
+  ChangeNodeIntentAction
+} from 'actions/config';
+import { showNotification } from 'actions/notifications';
+import { translateRaw } from 'translations';
+import { StaticNodeConfig, CustomNodeConfig, NodeConfig } from 'types/node';
+import { CustomNetworkConfig, StaticNetworkConfig } from 'types/network';
+import { Web3Service } from 'libs/nodes/web3';
+
+let hasCheckedOnline = false;
+export function* pollOfflineStatus(): SagaIterator {
+  while (true) {
+    const nodeConfig: StaticNodeConfig = yield select(getNodeConfig);
+    const isOffline: boolean = yield select(getOffline);
+
+    // If our offline state disagrees with the browser, run a check
+    // Don't check if the user is in another tab or window
+    const shouldPing = !hasCheckedOnline || navigator.onLine === isOffline;
+    if (shouldPing && !document.hidden) {
+      const { pingSucceeded } = yield race({
+        pingSucceeded: call(nodeConfig.lib.ping.bind(nodeConfig.lib)),
+        timeout: call(delay, 5000)
+      });
+
+      if (pingSucceeded && isOffline) {
+        // If we were able to ping but redux says we're offline, mark online
+        yield put(
+          showNotification('success', 'Your connection to the network has been restored!', 3000)
+        );
+        yield put(toggleOffline());
+      } else if (!pingSucceeded && !isOffline) {
+        // If we were unable to ping but redux says we're online, mark offline
+        // If they had been online, show an error.
+        // If they hadn't been online, just inform them with a warning.
+        if (hasCheckedOnline) {
+          yield put(
+            showNotification(
+              'danger',
+              `You’ve lost your connection to the network, check your internet
+              connection or try changing networks from the dropdown at the
+              top right of the page.`,
+              Infinity
+            )
+          );
+        } else {
+          yield put(
+            showNotification(
+              'info',
+              'You are currently offline. Some features will be unavailable.',
+              5000
+            )
+          );
+        }
+        yield put(toggleOffline());
+      } else {
+        // If neither case was true, try again in 5s
+        yield call(delay, 5000);
+      }
+      hasCheckedOnline = true;
+    } else {
+      yield call(delay, 1000);
+    }
+  }
+}
+
+// Fork our recurring API call, watch for the need to cancel.
+export function* handlePollOfflineStatus(): SagaIterator {
+  const pollOfflineStatusTask = yield fork(pollOfflineStatus);
+  yield take('CONFIG_STOP_POLL_OFFLINE_STATE');
+  yield cancel(pollOfflineStatusTask);
+}
+
+// @HACK For now we reload the app when doing a language swap to force non-connected
+// data to reload. Also the use of timeout to avoid using additional actions for now.
+export function* reload(): SagaIterator {
+  setTimeout(() => location.reload(), 1150);
+}
+
+export function* handleNodeChangeIntent({
+  payload: nodeIdToSwitchTo
+}: ChangeNodeIntentAction): SagaIterator {
+  const isStaticNode: boolean = yield select(isStaticNodeId, nodeIdToSwitchTo);
+  const currentConfig: NodeConfig = yield select(getNodeConfig);
+
+  function* bailOut(message: string) {
+    const currentNodeId: string = yield select(getNodeId);
+    yield put(showNotification('danger', message, 5000));
+    yield put(changeNode({ networkId: currentConfig.network, nodeId: currentNodeId }));
+  }
+
+  let nextNodeConfig: CustomNodeConfig | StaticNodeConfig;
+
+  if (!isStaticNode) {
+    const config: CustomNodeConfig | undefined = yield select(
+      getCustomNodeFromId,
+      nodeIdToSwitchTo
+    );
+
+    if (config) {
+      nextNodeConfig = config;
+    } else {
+      return yield* bailOut(`Attempted to switch to unknown node '${nodeIdToSwitchTo}'`);
+    }
+  } else {
+    nextNodeConfig = yield select(getStaticNodeFromId, nodeIdToSwitchTo);
+  }
+
+  // Grab current block from the node, before switching, to confirm it's online
+  // Give it 5 seconds before we call it offline
+  let currentBlock;
+  let timeout;
+  try {
+    const { lb, to } = yield race({
+      lb: apply(nextNodeConfig.lib, nextNodeConfig.lib.getCurrentBlock),
+      to: call(delay, 5000)
+    });
+    currentBlock = lb;
+    timeout = to;
+  } catch (err) {
+    console.error(err);
+    // Whether it times out or errors, same message
+    timeout = true;
+  }
+
+  if (timeout) {
+    return yield* bailOut(translateRaw('ERROR_32'));
+  }
+
+  const nextNetwork: StaticNetworkConfig | CustomNetworkConfig = yield select(
+    getNetworkConfigById,
+    nextNodeConfig.network
+  );
+
+  if (!nextNetwork) {
+    return yield* bailOut(
+      `Unknown custom network for your node '${nodeIdToSwitchTo}', try re-adding it`
+    );
+  }
+
+  yield put(setLatestBlock(currentBlock));
+  yield put(changeNode({ networkId: nextNodeConfig.network, nodeId: nodeIdToSwitchTo }));
+
+  // TODO - re-enable once DeterministicWallet state is fixed to flush properly.
+  // DeterministicWallet keeps path related state we need to flush before we can stop reloading
+
+  // const currentWallet: IWallet | null = yield select(getWalletInst);
+  // if there's no wallet, do not reload as there's no component state to resync
+  // if (currentWallet && currentConfig.network !== actionConfig.network) {
+
+  const isNewNetwork = currentConfig.network !== nextNodeConfig.network;
+  const newIsWeb3 = nextNodeConfig.service === Web3Service;
+  // don't reload when web3 is selected; node will automatically re-set and state is not an issue here
+  if (isNewNetwork && !newIsWeb3) {
+    yield call(reload);
+  }
+}
+
+export function* switchToNewNode(action: AddCustomNodeAction): SagaIterator {
+  yield put(changeNodeIntent(action.payload.id));
+}
+
+export const node = [
+  takeEvery(TypeKeys.CONFIG_NODE_CHANGE_INTENT, handleNodeChangeIntent),
+  takeLatest(TypeKeys.CONFIG_POLL_OFFLINE_STATUS, handlePollOfflineStatus),
+  takeEvery(TypeKeys.CONFIG_LANGUAGE_CHANGE, reload),
+  takeEvery(TypeKeys.CONFIG_ADD_CUSTOM_NODE, switchToNewNode)
+];
diff --git a/common/sagas/config/web3.ts b/common/sagas/config/web3.ts
new file mode 100644
index 00000000..7853c412
--- /dev/null
+++ b/common/sagas/config/web3.ts
@@ -0,0 +1,57 @@
+import { TypeKeys as WalletTypeKeys } from 'actions/wallet/constants';
+import { Web3Wallet } from 'libs/wallet';
+import { SagaIterator } from 'redux-saga';
+import { select, put, takeEvery, call } from 'redux-saga/effects';
+import { changeNodeIntent, TypeKeys, web3SetNode } from 'actions/config';
+import { getNodeId, getStaticAltNodeIdToWeb3, getNetworkNameByChainId } from 'selectors/config';
+import { setupWeb3Node, Web3Service } from 'libs/nodes/web3';
+import { Web3NodeConfig } from 'types/node';
+
+export function* initWeb3Node(): SagaIterator {
+  const { networkId, lib } = yield call(setupWeb3Node);
+  const network = yield select(getNetworkNameByChainId, networkId);
+
+  const config: Web3NodeConfig = {
+    isCustom: false,
+    network,
+    service: Web3Service,
+    lib,
+    estimateGas: false,
+    hidden: true
+  };
+
+  yield put(web3SetNode({ id: 'web3', config }));
+}
+
+// unset web3 as the selected node if a non-web3 wallet has been selected
+export function* unsetWeb3NodeOnWalletEvent(action): SagaIterator {
+  const node = yield select(getNodeId);
+  const newWallet = action.payload;
+  const isWeb3Wallet = newWallet instanceof Web3Wallet;
+
+  if (node !== 'web3' || isWeb3Wallet) {
+    return;
+  }
+
+  const altNode = yield select(getStaticAltNodeIdToWeb3);
+  // switch back to a node with the same network as MetaMask/Mist
+  yield put(changeNodeIntent(altNode));
+}
+
+export function* unsetWeb3Node(): SagaIterator {
+  const node = yield select(getNodeId);
+
+  if (node !== 'web3') {
+    return;
+  }
+
+  const altNode = yield select(getStaticAltNodeIdToWeb3);
+  // switch back to a node with the same network as MetaMask/Mist
+  yield put(changeNodeIntent(altNode));
+}
+
+export const web3 = [
+  takeEvery(TypeKeys.CONFIG_NODE_WEB3_UNSET, unsetWeb3Node),
+  takeEvery(WalletTypeKeys.WALLET_SET, unsetWeb3NodeOnWalletEvent),
+  takeEvery(WalletTypeKeys.WALLET_RESET, unsetWeb3NodeOnWalletEvent)
+];
diff --git a/common/sagas/deterministicWallets.ts b/common/sagas/deterministicWallets.ts
index a6818c6f..d4e7164b 100644
--- a/common/sagas/deterministicWallets.ts
+++ b/common/sagas/deterministicWallets.ts
@@ -5,7 +5,6 @@ import {
   updateDeterministicWallet
 } from 'actions/deterministicWallets';
 import { showNotification } from 'actions/notifications';
-import { Token } from 'config';
 import { publicToAddress, toChecksumAddress } from 'ethereumjs-util';
 import HDKey from 'hdkey';
 import { INode } from 'libs/nodes/INode';
@@ -16,6 +15,7 @@ import { getDesiredToken, getWallets } from 'selectors/deterministicWallets';
 import { getTokens } from 'selectors/wallet';
 import translate from 'translations';
 import { TokenValue } from 'libs/units';
+import { Token } from 'types/network';
 
 export function* getDeterministicWallets(action: GetDeterministicWalletsAction): SagaIterator {
   const { seed, dPath, publicKey, chainCode, limit, offset } = action.payload;
diff --git a/common/sagas/transaction/signing/helpers.ts b/common/sagas/transaction/signing/helpers.ts
index 307f54c6..8281be0d 100644
--- a/common/sagas/transaction/signing/helpers.ts
+++ b/common/sagas/transaction/signing/helpers.ts
@@ -11,9 +11,9 @@ import {
   SignTransactionRequestedAction
 } from 'actions/transaction';
 import Tx from 'ethereumjs-tx';
-import { NetworkConfig } from 'config';
 import { SagaIterator } from 'redux-saga';
 import { showNotification } from 'actions/notifications';
+import { StaticNetworkConfig } from 'types/network';
 
 interface IFullWalletAndTransaction {
   wallet: IFullWallet;
@@ -46,7 +46,7 @@ function* getWalletAndTransaction(partialTx: SignTransactionRequestedAction['pay
     throw Error('Could not get wallet instance to sign transaction');
   }
   // get the chainId
-  const { chainId }: NetworkConfig = yield select(getNetworkConfig);
+  const { chainId }: StaticNetworkConfig = yield select(getNetworkConfig);
 
   // get the rest of the transaction parameters
   partialTx._chainId = chainId;
diff --git a/common/sagas/wallet/helpers.ts b/common/sagas/wallet/helpers.ts
index 65044417..6c2041c6 100644
--- a/common/sagas/wallet/helpers.ts
+++ b/common/sagas/wallet/helpers.ts
@@ -1,6 +1,5 @@
 import { apply, select, call } from 'redux-saga/effects';
 import { AppState } from 'reducers';
-import { Token } from 'config';
 import { INode } from 'libs/nodes/INode';
 import { IWallet, WalletConfig } from 'libs/wallet';
 import { TokenBalance } from 'selectors/wallet';
@@ -8,6 +7,7 @@ import { getCustomTokens } from 'selectors/customTokens';
 import { getNodeLib } from 'selectors/config';
 import { loadWalletConfig } from 'utils/localStorage';
 import { TokenBalanceLookup } from './wallet';
+import { Token } from 'types/network';
 
 export function* getTokenBalances(wallet: IWallet, tokens: Token[]) {
   const node: INode = yield select(getNodeLib);
diff --git a/common/sagas/wallet/wallet.ts b/common/sagas/wallet/wallet.ts
index 78e4eb69..02b94d58 100644
--- a/common/sagas/wallet/wallet.ts
+++ b/common/sagas/wallet/wallet.ts
@@ -36,10 +36,9 @@ import {
   Web3Wallet,
   WalletConfig
 } from 'libs/wallet';
-import { NODES, initWeb3Node, Token } from 'config';
 import { SagaIterator, delay, Task } from 'redux-saga';
 import { apply, call, fork, put, select, takeEvery, take, cancel } from 'redux-saga/effects';
-import { getNodeLib, getAllTokens, getOffline } from 'selectors/config';
+import { getNodeLib, getAllTokens, getOffline, getWeb3Node } from 'selectors/config';
 import {
   getTokens,
   getWalletInst,
@@ -51,6 +50,9 @@ import translate from 'translations';
 import Web3Node, { isWeb3Node } from 'libs/nodes/web3';
 import { loadWalletConfig, saveWalletConfig } from 'utils/localStorage';
 import { getTokenBalances, filterScannedTokenBalances } from './helpers';
+import { Token } from 'types/network';
+import { Web3NodeConfig } from '../../../shared/types/node';
+import { initWeb3Node } from 'sagas/config/web3';
 
 export interface TokenBalanceLookup {
   [symbol: string]: TokenBalance;
@@ -262,14 +264,15 @@ export function* unlockWeb3(): SagaIterator {
     yield put(changeNodeIntent('web3'));
     yield take(
       action =>
-        action.type === ConfigTypeKeys.CONFIG_NODE_CHANGE && action.payload.nodeSelection === 'web3'
+        action.type === ConfigTypeKeys.CONFIG_NODE_CHANGE && action.payload.nodeId === 'web3'
     );
 
-    if (!NODES.web3) {
+    const web3Node: Web3NodeConfig | null = yield select(getWeb3Node);
+    if (!web3Node) {
       throw Error('Web3 node config not found!');
     }
-    const network = NODES.web3.network;
-    const nodeLib: INode | Web3Node = yield select(getNodeLib);
+    const network = web3Node.network;
+    const nodeLib: Web3Node = web3Node.lib;
 
     if (!isWeb3Node(nodeLib)) {
       throw new Error('Cannot use Web3 wallet without a Web3 node.');
@@ -284,6 +287,7 @@ export function* unlockWeb3(): SagaIterator {
     const wallet = new Web3Wallet(address, network);
     yield put(setWallet(wallet));
   } catch (err) {
+    console.error(err);
     // unset web3 node so node dropdown isn't disabled
     yield put(web3UnsetNode());
     yield put(showNotification('danger', translate(err.message)));
diff --git a/common/selectors/config.ts b/common/selectors/config.ts
deleted file mode 100644
index e9fd8f4e..00000000
--- a/common/selectors/config.ts
+++ /dev/null
@@ -1,104 +0,0 @@
-import {
-  CustomNetworkConfig,
-  CustomNodeConfig,
-  NetworkConfig,
-  NetworkContract,
-  NodeConfig,
-  Token
-} from 'config';
-import { INode } from 'libs/nodes/INode';
-import { AppState } from 'reducers';
-import { getUnit } from 'selectors/transaction/meta';
-import { isEtherUnit } from 'libs/units';
-import { SHAPESHIFT_TOKEN_WHITELIST } from 'api/shapeshift';
-
-export function getNode(state: AppState): string {
-  return state.config.nodeSelection;
-}
-
-export function getIsWeb3Node(state: AppState): boolean {
-  return getNode(state) === 'web3';
-}
-
-export function getNodeConfig(state: AppState): NodeConfig {
-  return state.config.node;
-}
-
-export function getNodeLib(state: AppState): INode {
-  return getNodeConfig(state).lib;
-}
-
-export function getNetworkConfig(state: AppState): NetworkConfig {
-  return state.config.network;
-}
-
-export function getNetworkContracts(state: AppState): NetworkContract[] | null {
-  const network = getNetworkConfig(state);
-  return network ? network.contracts : [];
-}
-
-export function getNetworkTokens(state: AppState): Token[] {
-  const network = getNetworkConfig(state);
-  return network ? network.tokens : [];
-}
-
-export function getAllTokens(state: AppState): Token[] {
-  const networkTokens = getNetworkTokens(state);
-  return networkTokens.concat(state.customTokens);
-}
-
-export function getSelectedTokenContractAddress(state: AppState): string {
-  const allTokens = getAllTokens(state);
-  const currentUnit = getUnit(state);
-
-  if (currentUnit === 'ether') {
-    return '';
-  }
-
-  return allTokens.reduce((tokenAddr, tokenInfo) => {
-    if (tokenAddr && tokenAddr.length) {
-      return tokenAddr;
-    }
-
-    if (tokenInfo.symbol === currentUnit) {
-      return tokenInfo.address;
-    }
-
-    return tokenAddr;
-  }, '');
-}
-
-export function tokenExists(state: AppState, token: string): boolean {
-  const existInWhitelist = SHAPESHIFT_TOKEN_WHITELIST.includes(token);
-  const existsInNetwork = !!getAllTokens(state).find(t => t.symbol === token);
-  return existsInNetwork || existInWhitelist;
-}
-
-export function getLanguageSelection(state: AppState): string {
-  return state.config.languageSelection;
-}
-
-export function getCustomNodeConfigs(state: AppState): CustomNodeConfig[] {
-  return state.config.customNodes;
-}
-
-export function getCustomNetworkConfigs(state: AppState): CustomNetworkConfig[] {
-  return state.config.customNetworks;
-}
-
-export function getOffline(state: AppState): boolean {
-  return state.config.offline;
-}
-
-export function getAutoGasLimitEnabled(state: AppState): boolean {
-  return state.config.autoGasLimit;
-}
-
-export function isSupportedUnit(state: AppState, unit: string) {
-  const isToken: boolean = tokenExists(state, unit);
-  const isEther: boolean = isEtherUnit(unit);
-  if (!isToken && !isEther) {
-    return false;
-  }
-  return true;
-}
diff --git a/common/selectors/config/index.ts b/common/selectors/config/index.ts
new file mode 100644
index 00000000..bc685c38
--- /dev/null
+++ b/common/selectors/config/index.ts
@@ -0,0 +1,4 @@
+export * from './meta';
+export * from './networks';
+export * from './nodes';
+export * from './tokens';
diff --git a/common/selectors/config/meta.ts b/common/selectors/config/meta.ts
new file mode 100644
index 00000000..17f54908
--- /dev/null
+++ b/common/selectors/config/meta.ts
@@ -0,0 +1,21 @@
+import { AppState } from 'reducers';
+const getConfig = (state: AppState) => state.config;
+
+export const getMeta = (state: AppState) => getConfig(state).meta;
+
+export function getOffline(state: AppState): boolean {
+  return getMeta(state).offline;
+}
+
+export function getAutoGasLimitEnabled(state: AppState): boolean {
+  const meta = getMeta(state);
+  return meta.autoGasLimit;
+}
+
+export function getLanguageSelection(state: AppState): string {
+  return getMeta(state).languageSelection;
+}
+
+export function getLatestBlock(state: AppState) {
+  return getMeta(state).latestBlock;
+}
diff --git a/common/selectors/config/networks.ts b/common/selectors/config/networks.ts
new file mode 100644
index 00000000..d9d355f6
--- /dev/null
+++ b/common/selectors/config/networks.ts
@@ -0,0 +1,76 @@
+import { AppState } from 'reducers';
+import {
+  CustomNetworkConfig,
+  StaticNetworkConfig,
+  StaticNetworkIds,
+  NetworkContract
+} from 'types/network';
+import { getNodeConfig } from 'selectors/config';
+const getConfig = (state: AppState) => state.config;
+
+export const getNetworks = (state: AppState) => getConfig(state).networks;
+
+export const getNetworkConfigById = (state: AppState, networkId: string) =>
+  isStaticNetworkId(state, networkId)
+    ? getStaticNetworkConfigs(state)[networkId]
+    : getCustomNetworkConfigs(state)[networkId];
+
+export const getNetworkNameByChainId = (state: AppState, chainId: number | string) => {
+  const network =
+    Object.values(getStaticNetworkConfigs(state)).find(n => +n.chainId === +chainId) ||
+    Object.values(getCustomNetworkConfigs(state)).find(n => +n.chainId === +chainId);
+  if (!network) {
+    return null;
+  }
+  return network.name;
+};
+
+export const getStaticNetworkIds = (state: AppState): StaticNetworkIds[] =>
+  Object.keys(getNetworks(state).staticNetworks) as StaticNetworkIds[];
+
+export const isStaticNetworkId = (
+  state: AppState,
+  networkId: string
+): networkId is StaticNetworkIds => Object.keys(getStaticNetworkConfigs(state)).includes(networkId);
+
+export const getStaticNetworkConfig = (state: AppState): StaticNetworkConfig | undefined => {
+  const selectedNetwork = getSelectedNetwork(state);
+
+  const { staticNetworks } = getNetworks(state);
+
+  const defaultNetwork = isStaticNetworkId(state, selectedNetwork)
+    ? staticNetworks[selectedNetwork]
+    : undefined;
+  return defaultNetwork;
+};
+
+export const getSelectedNetwork = (state: AppState) => getNodeConfig(state).network;
+
+export const getCustomNetworkConfig = (state: AppState): CustomNetworkConfig | undefined => {
+  const selectedNetwork = getSelectedNetwork(state);
+  const { customNetworks } = getNetworks(state);
+  const customNetwork = customNetworks[selectedNetwork];
+  return customNetwork;
+};
+
+export const getNetworkConfig = (state: AppState): StaticNetworkConfig | CustomNetworkConfig => {
+  const config = getStaticNetworkConfig(state) || getCustomNetworkConfig(state);
+
+  if (!config) {
+    const selectedNetwork = getSelectedNetwork(state);
+
+    throw Error(
+      `No network config found for ${selectedNetwork} in either static or custom networks`
+    );
+  }
+  return config;
+};
+
+export const getNetworkContracts = (state: AppState): NetworkContract[] | null => {
+  const network = getStaticNetworkConfig(state);
+  return network ? network.contracts : [];
+};
+
+export const getCustomNetworkConfigs = (state: AppState) => getNetworks(state).customNetworks;
+
+export const getStaticNetworkConfigs = (state: AppState) => getNetworks(state).staticNetworks;
diff --git a/common/selectors/config/nodes.ts b/common/selectors/config/nodes.ts
new file mode 100644
index 00000000..f6e6366b
--- /dev/null
+++ b/common/selectors/config/nodes.ts
@@ -0,0 +1,176 @@
+import { AppState } from 'reducers';
+import {
+  getStaticNetworkConfigs,
+  getCustomNetworkConfigs,
+  isStaticNetworkId
+} from 'selectors/config';
+import {
+  CustomNodeConfig,
+  StaticNodeConfig,
+  StaticNodeId,
+  Web3NodeConfig,
+  StaticNodeWithWeb3Id
+} from 'types/node';
+
+const getConfig = (state: AppState) => state.config;
+
+import { INITIAL_STATE as SELECTED_NODE_INITIAL_STATE } from 'reducers/config/nodes/selectedNode';
+
+export const getNodes = (state: AppState) => getConfig(state).nodes;
+
+export function isNodeCustom(state: AppState, nodeId: string): CustomNodeConfig | undefined {
+  return getCustomNodeConfigs(state)[nodeId];
+}
+
+export const getCustomNodeFromId = (
+  state: AppState,
+  nodeId: string
+): CustomNodeConfig | undefined => getCustomNodeConfigs(state)[nodeId];
+
+export const getStaticAltNodeIdToWeb3 = (state: AppState) => {
+  const { web3, ...configs } = getStaticNodeConfigs(state);
+  if (!web3) {
+    return SELECTED_NODE_INITIAL_STATE.nodeId;
+  }
+  const res = Object.entries(configs).find(
+    ([_, config]: [StaticNodeId, StaticNodeConfig]) => web3.network === config.network
+  );
+  if (res) {
+    return res[0];
+  }
+  return SELECTED_NODE_INITIAL_STATE.nodeId;
+};
+
+export const getStaticNodeFromId = (state: AppState, nodeId: StaticNodeId) =>
+  getStaticNodeConfigs(state)[nodeId];
+
+export const isStaticNodeId = (state: AppState, nodeId: string): nodeId is StaticNodeWithWeb3Id =>
+  Object.keys(getStaticNodeConfigs(state)).includes(nodeId);
+
+const getStaticNodeConfigs = (state: AppState) => getNodes(state).staticNodes;
+
+export const getStaticNodeConfig = (state: AppState) => {
+  const { staticNodes, selectedNode: { nodeId } } = getNodes(state);
+
+  const defaultNetwork = isStaticNodeId(state, nodeId) ? staticNodes[nodeId] : undefined;
+  return defaultNetwork;
+};
+
+export const getWeb3Node = (state: AppState): Web3NodeConfig | null => {
+  const isWeb3Node = (nodeId: string, _: StaticNodeConfig | Web3NodeConfig): _ is Web3NodeConfig =>
+    nodeId === 'web3';
+  const currNode = getStaticNodeConfig(state);
+  const currNodeId = getNodeId(state);
+  if (currNode && currNodeId && isWeb3Node(currNodeId, currNode)) {
+    return currNode;
+  }
+  return null;
+};
+
+export const getCustomNodeConfig = (state: AppState): CustomNodeConfig | undefined => {
+  const { customNodes, selectedNode: { nodeId } } = getNodes(state);
+
+  const customNode = customNodes[nodeId];
+  return customNode;
+};
+
+export function getCustomNodeConfigs(state: AppState) {
+  return getNodes(state).customNodes;
+}
+
+export function getStaticNodes(state: AppState) {
+  return getNodes(state).staticNodes;
+}
+
+export function getSelectedNode(state: AppState) {
+  return getNodes(state).selectedNode;
+}
+
+export function isNodeChanging(state): boolean {
+  return getSelectedNode(state).pending;
+}
+
+export function getNodeId(state: AppState): string {
+  return getSelectedNode(state).nodeId;
+}
+
+export function getIsWeb3Node(state: AppState): boolean {
+  return getNodeId(state) === 'web3';
+}
+
+export function getNodeConfig(state: AppState): StaticNodeConfig | CustomNodeConfig {
+  const config = getStaticNodeConfig(state) || getCustomNodeConfig(state);
+
+  if (!config) {
+    const { selectedNode } = getNodes(state);
+    throw Error(`No node config found for ${selectedNode.nodeId} in either static or custom nodes`);
+  }
+  return config;
+}
+
+export function getNodeLib(state: AppState) {
+  const config = getNodeConfig(state);
+  if (!config) {
+    throw Error('No node lib found when trying to select from state');
+  }
+  return config.lib;
+}
+
+export interface NodeOption {
+  isCustom: false;
+  value: string;
+  name: { networkId?: string; service: string };
+  color?: string;
+  hidden?: boolean;
+}
+
+export function getStaticNodeOptions(state: AppState): NodeOption[] {
+  const staticNetworkConfigs = getStaticNetworkConfigs(state);
+  return Object.entries(getStaticNodes(state)).map(([nodeId, node]: [string, StaticNodeConfig]) => {
+    const networkId = node.network;
+    const associatedNetwork = staticNetworkConfigs[networkId];
+    const opt: NodeOption = {
+      isCustom: node.isCustom,
+      value: nodeId,
+      name: { networkId, service: node.service },
+      color: associatedNetwork.color,
+      hidden: node.hidden
+    };
+    return opt;
+  });
+}
+
+export interface CustomNodeOption {
+  isCustom: true;
+  id: string;
+  value: string;
+  name: { networkId?: string; nodeId: string };
+  color?: string;
+  hidden?: boolean;
+}
+
+export function getCustomNodeOptions(state: AppState): CustomNodeOption[] {
+  const staticNetworkConfigs = getStaticNetworkConfigs(state);
+  const customNetworkConfigs = getCustomNetworkConfigs(state);
+  return Object.entries(getCustomNodeConfigs(state)).map(
+    ([nodeId, node]: [string, CustomNodeConfig]) => {
+      const networkId = node.network;
+      const associatedNetwork = isStaticNetworkId(state, networkId)
+        ? staticNetworkConfigs[networkId]
+        : customNetworkConfigs[networkId];
+      const opt: CustomNodeOption = {
+        isCustom: node.isCustom,
+        value: node.id,
+        name: { networkId, nodeId },
+        color: associatedNetwork.isCustom ? undefined : associatedNetwork.color,
+        hidden: false,
+        id: node.id
+      };
+      return opt;
+    }
+  );
+}
+
+export function getNodeOptions(state: AppState) {
+  return [...getStaticNodeOptions(state), ...getCustomNodeOptions(state)];
+}
diff --git a/common/selectors/config/tokens.ts b/common/selectors/config/tokens.ts
new file mode 100644
index 00000000..a26fd2eb
--- /dev/null
+++ b/common/selectors/config/tokens.ts
@@ -0,0 +1,52 @@
+import { AppState } from 'reducers';
+import { getUnit } from 'selectors/transaction/meta';
+import { isEtherUnit } from 'libs/units';
+import { SHAPESHIFT_TOKEN_WHITELIST } from 'api/shapeshift';
+import { getStaticNetworkConfig } from 'selectors/config';
+import { Token } from 'types/network';
+
+export function getNetworkTokens(state: AppState): Token[] {
+  const network = getStaticNetworkConfig(state);
+  return network ? network.tokens : [];
+}
+
+export function getAllTokens(state: AppState): Token[] {
+  const networkTokens = getNetworkTokens(state);
+  return networkTokens.concat(state.customTokens);
+}
+
+export function getSelectedTokenContractAddress(state: AppState): string {
+  const allTokens = getAllTokens(state);
+  const currentUnit = getUnit(state);
+
+  if (isEtherUnit(currentUnit)) {
+    return '';
+  }
+
+  return allTokens.reduce((tokenAddr, tokenInfo) => {
+    if (tokenAddr && tokenAddr.length) {
+      return tokenAddr;
+    }
+
+    if (tokenInfo.symbol === currentUnit) {
+      return tokenInfo.address;
+    }
+
+    return tokenAddr;
+  }, '');
+}
+
+export function tokenExists(state: AppState, token: string): boolean {
+  const existInWhitelist = SHAPESHIFT_TOKEN_WHITELIST.includes(token);
+  const existsInNetwork = !!getAllTokens(state).find(t => t.symbol === token);
+  return existsInNetwork || existInWhitelist;
+}
+
+export function isSupportedUnit(state: AppState, unit: string) {
+  const isToken: boolean = tokenExists(state, unit);
+  const isEther: boolean = isEtherUnit(unit);
+  if (!isToken && !isEther) {
+    return false;
+  }
+  return true;
+}
diff --git a/common/selectors/config/wallet.ts b/common/selectors/config/wallet.ts
new file mode 100644
index 00000000..2afc86bd
--- /dev/null
+++ b/common/selectors/config/wallet.ts
@@ -0,0 +1,82 @@
+import { InsecureWalletName, SecureWalletName, WalletName, walletNames } from 'config';
+import { EXTRA_PATHS } from 'config/dpaths';
+import sortedUniq from 'lodash/sortedUniq';
+import difference from 'lodash/difference';
+import { StaticNetworkConfig, DPathFormats } from 'types/network';
+import { AppState } from 'reducers';
+import { getStaticNetworkConfigs, getStaticNetworkConfig } from 'selectors/config';
+
+type PathType = keyof DPathFormats;
+
+type DPathFormat =
+  | SecureWalletName.TREZOR
+  | SecureWalletName.LEDGER_NANO_S
+  | InsecureWalletName.MNEMONIC_PHRASE;
+
+export function getPaths(state: AppState, pathType: PathType): DPath[] {
+  const paths = Object.values(getStaticNetworkConfigs(state))
+    .reduce(
+      (networkPaths: DPath[], { dPathFormats }) =>
+        dPathFormats ? [...networkPaths, dPathFormats[pathType]] : networkPaths,
+
+      []
+    )
+    .concat(EXTRA_PATHS);
+  return sortedUniq(paths);
+}
+
+export function getSingleDPath(state: AppState, format: DPathFormat): DPath {
+  const network = getStaticNetworkConfig(state);
+  if (!network) {
+    throw Error('No static network config loaded');
+  }
+  const dPathFormats = network.dPathFormats;
+  return dPathFormats[format];
+}
+
+export function isNetworkUnit(state: AppState, unit: string) {
+  const currentNetwork = getStaticNetworkConfig(state);
+  //TODO: logic check
+  if (!currentNetwork) {
+    return false;
+  }
+  const networks = getStaticNetworkConfigs(state);
+  const validNetworks = Object.values(networks).filter((n: StaticNetworkConfig) => n.unit === unit);
+  return validNetworks.includes(currentNetwork);
+}
+
+export function isWalletFormatSupportedOnNetwork(state: AppState, format: WalletName): boolean {
+  const network = getStaticNetworkConfig(state);
+
+  const CHECK_FORMATS: DPathFormat[] = [
+    SecureWalletName.LEDGER_NANO_S,
+    SecureWalletName.TREZOR,
+    InsecureWalletName.MNEMONIC_PHRASE
+  ];
+
+  const isHDFormat = (f: string): f is DPathFormat => CHECK_FORMATS.includes(f as DPathFormat);
+
+  // Ensure DPath's are found
+  if (isHDFormat(format)) {
+    if (!network) {
+      return false;
+    }
+    const dPath = network.dPathFormats && network.dPathFormats[format];
+    return !!dPath;
+  }
+
+  // Ensure Web3 is only enabled on ETH or ETH Testnets (MetaMask does not support other networks)
+  if (format === SecureWalletName.WEB3) {
+    return isNetworkUnit(state, 'ETH');
+  }
+
+  // All other wallet formats are supported
+  return true;
+}
+
+export function unSupportedWalletFormatsOnNetwork(state: AppState): WalletName[] {
+  const supportedFormats = walletNames.filter(walletName =>
+    isWalletFormatSupportedOnNetwork(state, walletName)
+  );
+  return difference(walletNames, supportedFormats);
+}
diff --git a/common/selectors/wallet.ts b/common/selectors/wallet.ts
index 6156f81e..4caae15f 100644
--- a/common/selectors/wallet.ts
+++ b/common/selectors/wallet.ts
@@ -1,11 +1,12 @@
 import { TokenValue, Wei } from 'libs/units';
-import { Token, SecureWalletName, WalletName } from 'config';
+import { SecureWalletName, WalletName } from 'config';
 import { AppState } from 'reducers';
-import { getNetworkConfig, getOffline } from 'selectors/config';
+import { getNetworkConfig, getOffline, getStaticNetworkConfig } from 'selectors/config';
 import { IWallet, Web3Wallet, LedgerWallet, TrezorWallet, WalletConfig } from 'libs/wallet';
 import { isEtherTransaction, getUnit } from './transaction';
-import { unSupportedWalletFormatsOnNetwork } from 'utils/network';
 import { DisabledWallets } from 'components/WalletDecrypt';
+import { Token } from 'types/network';
+import { unSupportedWalletFormatsOnNetwork } from 'selectors/config/wallet';
 
 export function getWalletInst(state: AppState): IWallet | null | undefined {
   return state.wallet.inst;
@@ -32,7 +33,7 @@ export type MergedToken = Token & {
 };
 
 export function getTokens(state: AppState): MergedToken[] {
-  const network = getNetworkConfig(state);
+  const network = getStaticNetworkConfig(state);
   const tokens: Token[] = network ? network.tokens : [];
   return tokens.concat(
     state.customTokens.map((token: Token) => {
@@ -164,7 +165,7 @@ export function getDisabledWallets(state: AppState): DisabledWallets {
 
   // Some wallets don't support some networks
   addReason(
-    unSupportedWalletFormatsOnNetwork(network),
+    unSupportedWalletFormatsOnNetwork(state),
     `${network.name} does not support this wallet`
   );
 
diff --git a/common/store.ts b/common/store.ts
deleted file mode 100644
index 603a7d90..00000000
--- a/common/store.ts
+++ /dev/null
@@ -1,128 +0,0 @@
-import throttle from 'lodash/throttle';
-import { routerMiddleware } from 'react-router-redux';
-import { State as ConfigState, INITIAL_STATE as configInitialState } from 'reducers/config';
-import {
-  State as CustomTokenState,
-  INITIAL_STATE as customTokensInitialState
-} from 'reducers/customTokens';
-import { State as SwapState, INITIAL_STATE as swapInitialState } from 'reducers/swap';
-import { applyMiddleware, createStore } from 'redux';
-import { composeWithDevTools } from 'redux-devtools-extension';
-import { createLogger } from 'redux-logger';
-import createSagaMiddleware from 'redux-saga';
-import { loadStatePropertyOrEmptyObject, saveState } from 'utils/localStorage';
-import RootReducer, { AppState } from './reducers';
-import { getNodeConfigFromId } from 'utils/node';
-import { getNetworkConfigFromId } from 'utils/network';
-import { dedupeCustomTokens } from 'utils/tokens';
-import sagas from './sagas';
-
-const configureStore = () => {
-  const logger = createLogger({
-    collapsed: true
-  });
-  const sagaMiddleware = createSagaMiddleware();
-  let middleware;
-  let store;
-
-  if (process.env.NODE_ENV !== 'production') {
-    middleware = composeWithDevTools(
-      applyMiddleware(sagaMiddleware, logger, routerMiddleware(history as any))
-    );
-  } else {
-    middleware = applyMiddleware(sagaMiddleware, routerMiddleware(history as any));
-  }
-
-  const localSwapState = loadStatePropertyOrEmptyObject<SwapState>('swap');
-  const swapState =
-    localSwapState && localSwapState.step === 3
-      ? {
-          ...swapInitialState,
-          ...localSwapState
-        }
-      : { ...swapInitialState };
-
-  const savedConfigState = loadStatePropertyOrEmptyObject<ConfigState>('config');
-
-  // If they have a saved node, make sure we assign that too. The node selected
-  // isn't serializable, so we have to assign it here.
-  if (savedConfigState && savedConfigState.nodeSelection) {
-    const savedNode = getNodeConfigFromId(
-      savedConfigState.nodeSelection,
-      savedConfigState.customNodes
-    );
-    // If we couldn't find it, revert to defaults
-    if (savedNode) {
-      savedConfigState.node = savedNode;
-      const network = getNetworkConfigFromId(savedNode.network, savedConfigState.customNetworks);
-      if (network) {
-        savedConfigState.network = network;
-      }
-    } else {
-      savedConfigState.nodeSelection = configInitialState.nodeSelection;
-    }
-  }
-
-  // Dedupe custom tokens initially
-  const savedCustomTokensState =
-    loadStatePropertyOrEmptyObject<CustomTokenState>('customTokens') || customTokensInitialState;
-  const initialNetwork =
-    (savedConfigState && savedConfigState.network) || configInitialState.network;
-  const customTokens = dedupeCustomTokens(initialNetwork.tokens, savedCustomTokensState);
-
-  const persistedInitialState = {
-    config: {
-      ...configInitialState,
-      ...savedConfigState
-    },
-    customTokens,
-    // ONLY LOAD SWAP STATE FROM LOCAL STORAGE IF STEP WAS 3
-    swap: swapState
-  };
-  // if 'web3' has persisted as node selection, reset to app default
-  // necessary because web3 is only initialized as a node upon MetaMask / Mist unlock
-  if (persistedInitialState.config.nodeSelection === 'web3') {
-    persistedInitialState.config.nodeSelection = configInitialState.nodeSelection;
-  }
-
-  store = createStore(RootReducer, persistedInitialState, middleware);
-
-  // Add all of the sagas to the middleware
-  Object.keys(sagas).forEach(saga => {
-    sagaMiddleware.run(sagas[saga]);
-  });
-
-  store.subscribe(
-    throttle(() => {
-      const state: AppState = store.getState();
-      saveState({
-        config: {
-          nodeSelection: state.config.nodeSelection,
-          languageSelection: state.config.languageSelection,
-          customNodes: state.config.customNodes,
-          customNetworks: state.config.customNetworks
-        },
-        swap: {
-          ...state.swap,
-          options: {
-            byId: {},
-            allIds: []
-          },
-          bityRates: {
-            byId: {},
-            allIds: []
-          },
-          shapeshiftRates: {
-            byId: {},
-            allIds: []
-          }
-        },
-        customTokens: state.customTokens
-      });
-    }, 50)
-  );
-
-  return store;
-};
-
-export const configuredStore = configureStore();
diff --git a/common/store/configAndTokens.ts b/common/store/configAndTokens.ts
new file mode 100644
index 00000000..7dd7ae0d
--- /dev/null
+++ b/common/store/configAndTokens.ts
@@ -0,0 +1,162 @@
+import { State as ConfigState, config } from 'reducers/config';
+import { dedupeCustomTokens } from 'utils/tokens';
+import {
+  State as CustomTokenState,
+  INITIAL_STATE as customTokensInitialState
+} from 'reducers/customTokens';
+import { loadStatePropertyOrEmptyObject } from 'utils/localStorage';
+import {
+  isStaticNodeId,
+  isStaticNetworkId,
+  getLanguageSelection,
+  getCustomNodeConfigs,
+  getSelectedNode,
+  getCustomNetworkConfigs
+} from 'selectors/config';
+import RootReducer, { AppState } from 'reducers';
+import CustomNode from 'libs/nodes/custom';
+import { CustomNodeConfig } from 'types/node';
+const appInitialState = RootReducer(undefined as any, { type: 'inital_state' });
+
+type DeepPartial<T> = { [P in keyof T]?: DeepPartial<T[P]> };
+export function getConfigAndCustomTokensStateToSubscribe(
+  state: AppState
+): Pick<DeepPartial<AppState>, 'config' | 'customTokens'> {
+  const subscribedConfig: DeepPartial<ConfigState> = {
+    meta: { languageSelection: getLanguageSelection(state) },
+    nodes: { customNodes: getCustomNodeConfigs(state), selectedNode: getSelectedNode(state) },
+    networks: {
+      customNetworks: getCustomNetworkConfigs(state)
+    }
+  };
+
+  const subscribedTokens = state.customTokens;
+
+  return { config: subscribedConfig, customTokens: subscribedTokens };
+}
+
+export function rehydrateConfigAndCustomTokenState() {
+  const configInitialState = config(undefined as any, { type: 'inital_state' });
+  const savedConfigState = loadStatePropertyOrEmptyObject<ConfigState>('config');
+  const nextConfigState = { ...configInitialState };
+
+  // If they have a saved node, make sure we assign that too. The node selected
+  // isn't serializable, so we have to assign it here.
+  if (savedConfigState) {
+    // we assign networks first so that when we re-hydrate custom nodes, we can check that the network exists
+    nextConfigState.networks = rehydrateNetworks(
+      configInitialState.networks,
+      savedConfigState.networks
+    );
+    nextConfigState.nodes = rehydrateNodes(
+      configInitialState.nodes,
+      savedConfigState.nodes,
+      nextConfigState.networks
+    );
+    nextConfigState.meta = { ...nextConfigState.meta, ...savedConfigState.meta };
+  }
+
+  const { customNodes, selectedNode: { nodeId }, staticNodes } = nextConfigState.nodes;
+  const selectedNode = isStaticNodeId(appInitialState, nodeId)
+    ? staticNodes[nodeId]
+    : customNodes[nodeId];
+
+  if (!selectedNode) {
+    return { config: configInitialState, customTokens: customTokensInitialState };
+  }
+
+  const nextCustomTokenState = rehydrateCustomTokens(
+    nextConfigState.networks,
+    selectedNode.network
+  );
+
+  return { config: nextConfigState, customTokens: nextCustomTokenState };
+}
+
+function rehydrateCustomTokens(networkState: ConfigState['networks'], selectedNetwork: string) {
+  // Dedupe custom tokens initially
+  const savedCustomTokensState =
+    loadStatePropertyOrEmptyObject<CustomTokenState>('customTokens') || customTokensInitialState;
+
+  const { customNetworks, staticNetworks } = networkState;
+  const network = isStaticNetworkId(appInitialState, selectedNetwork)
+    ? staticNetworks[selectedNetwork]
+    : customNetworks[selectedNetwork];
+
+  return network.isCustom
+    ? savedCustomTokensState
+    : dedupeCustomTokens(network.tokens, savedCustomTokensState);
+}
+
+function rehydrateNetworks(
+  initialState: ConfigState['networks'],
+  savedState: ConfigState['networks']
+): ConfigState['networks'] {
+  const nextNetworkState = { ...initialState };
+  nextNetworkState.customNetworks = savedState.customNetworks;
+  return nextNetworkState;
+}
+
+function rehydrateNodes(
+  initalState: ConfigState['nodes'],
+  savedState: ConfigState['nodes'],
+  networkState: ConfigState['networks']
+): ConfigState['nodes'] {
+  const nextNodeState = { ...initalState };
+
+  // re-assign the hydrated nodes
+  nextNodeState.customNodes = rehydrateCustomNodes(savedState.customNodes, networkState);
+  const { customNodes, staticNodes } = nextNodeState;
+  nextNodeState.selectedNode = getSavedSelectedNode(
+    nextNodeState.selectedNode,
+    savedState.selectedNode,
+    customNodes,
+    staticNodes
+  );
+  return nextNodeState;
+}
+
+function getSavedSelectedNode(
+  initialState: ConfigState['nodes']['selectedNode'],
+  savedState: ConfigState['nodes']['selectedNode'],
+  customNodes: ConfigState['nodes']['customNodes'],
+  staticNodes: ConfigState['nodes']['staticNodes']
+): ConfigState['nodes']['selectedNode'] {
+  const { nodeId: savedNodeId } = savedState;
+
+  // if 'web3' has persisted as node selection, reset to app default
+  // necessary because web3 is only initialized as a node upon MetaMask / Mist unlock
+
+  if (savedNodeId === 'web3') {
+    return { nodeId: initialState.nodeId, pending: false };
+  }
+
+  const nodeConfigExists = isStaticNodeId(appInitialState, savedNodeId)
+    ? staticNodes[savedNodeId]
+    : customNodes[savedNodeId];
+
+  return { nodeId: nodeConfigExists ? savedNodeId : initialState.nodeId, pending: false };
+}
+
+function rehydrateCustomNodes(
+  state: ConfigState['nodes']['customNodes'],
+  networkState: ConfigState['networks']
+) {
+  const networkExists = (networkId: string) =>
+    Object.keys(networkState.customNetworks).includes(networkId) ||
+    Object.keys(networkState.staticNetworks).includes(networkId);
+
+  const rehydratedCustomNodes = Object.entries(state).reduce(
+    (hydratedNodes, [customNodeId, configToHydrate]) => {
+      if (!networkExists(configToHydrate.network)) {
+        return hydratedNodes;
+      }
+
+      const lib = new CustomNode(configToHydrate);
+      const hydratedNode: CustomNodeConfig = { ...configToHydrate, lib };
+      return { ...hydratedNodes, [customNodeId]: hydratedNode };
+    },
+    {} as ConfigState['nodes']['customNodes']
+  );
+  return rehydratedCustomNodes;
+}
diff --git a/common/store/index.ts b/common/store/index.ts
new file mode 100644
index 00000000..d4068169
--- /dev/null
+++ b/common/store/index.ts
@@ -0,0 +1 @@
+export * from './store';
diff --git a/common/store/store.ts b/common/store/store.ts
new file mode 100644
index 00000000..30661a76
--- /dev/null
+++ b/common/store/store.ts
@@ -0,0 +1,107 @@
+import throttle from 'lodash/throttle';
+import { routerMiddleware } from 'react-router-redux';
+import {
+  INITIAL_STATE as transactionInitialState,
+  State as TransactionState
+} from 'reducers/transaction';
+import { State as SwapState, INITIAL_STATE as swapInitialState } from 'reducers/swap';
+import { applyMiddleware, createStore } from 'redux';
+import { composeWithDevTools } from 'redux-devtools-extension';
+import { createLogger } from 'redux-logger';
+import createSagaMiddleware from 'redux-saga';
+import { loadStatePropertyOrEmptyObject, saveState } from 'utils/localStorage';
+import RootReducer, { AppState } from 'reducers';
+import sagas from 'sagas';
+import { gasPricetoBase } from 'libs/units';
+import {
+  rehydrateConfigAndCustomTokenState,
+  getConfigAndCustomTokensStateToSubscribe
+} from './configAndTokens';
+
+const configureStore = () => {
+  const logger = createLogger({
+    collapsed: true
+  });
+  const sagaMiddleware = createSagaMiddleware();
+  let middleware;
+  let store;
+
+  if (process.env.NODE_ENV !== 'production') {
+    middleware = composeWithDevTools(
+      applyMiddleware(sagaMiddleware, logger, routerMiddleware(history as any))
+    );
+  } else {
+    middleware = applyMiddleware(sagaMiddleware, routerMiddleware(history as any));
+  }
+
+  const localSwapState = loadStatePropertyOrEmptyObject<SwapState>('swap');
+  const swapState =
+    localSwapState && localSwapState.step === 3
+      ? {
+          ...swapInitialState,
+          ...localSwapState
+        }
+      : { ...swapInitialState };
+
+  const savedTransactionState = loadStatePropertyOrEmptyObject<TransactionState>('transaction');
+
+  const persistedInitialState = {
+    transaction: {
+      ...transactionInitialState,
+      fields: {
+        ...transactionInitialState.fields,
+        gasPrice:
+          savedTransactionState && savedTransactionState.fields.gasPrice
+            ? {
+                raw: savedTransactionState.fields.gasPrice.raw,
+                value: gasPricetoBase(+savedTransactionState.fields.gasPrice.raw)
+              }
+            : transactionInitialState.fields.gasPrice
+      }
+    },
+
+    // ONLY LOAD SWAP STATE FROM LOCAL STORAGE IF STEP WAS 3
+    swap: swapState,
+    ...rehydrateConfigAndCustomTokenState()
+  };
+
+  store = createStore(RootReducer, persistedInitialState, middleware);
+
+  // Add all of the sagas to the middleware
+  Object.keys(sagas).forEach(saga => {
+    sagaMiddleware.run(sagas[saga]);
+  });
+
+  store.subscribe(
+    throttle(() => {
+      const state: AppState = store.getState();
+      saveState({
+        transaction: {
+          fields: {
+            gasPrice: state.transaction.fields.gasPrice
+          }
+        },
+        swap: {
+          ...state.swap,
+          options: {
+            byId: {},
+            allIds: []
+          },
+          bityRates: {
+            byId: {},
+            allIds: []
+          },
+          shapeshiftRates: {
+            byId: {},
+            allIds: []
+          }
+        },
+        ...getConfigAndCustomTokensStateToSubscribe(state)
+      });
+    }, 50)
+  );
+
+  return store;
+};
+
+export const configuredStore = configureStore();
diff --git a/common/utils/network.ts b/common/utils/network.ts
deleted file mode 100644
index 82e8291f..00000000
--- a/common/utils/network.ts
+++ /dev/null
@@ -1,120 +0,0 @@
-import {
-  CustomNetworkConfig,
-  DPathFormats,
-  InsecureWalletName,
-  NetworkConfig,
-  NETWORKS,
-  SecureWalletName,
-  WalletName,
-  walletNames
-} from 'config';
-import { DPath, EXTRA_PATHS } from 'config/dpaths';
-import sortedUniq from 'lodash/sortedUniq';
-import difference from 'lodash/difference';
-
-export function makeCustomNetworkId(config: CustomNetworkConfig): string {
-  return config.chainId ? `${config.chainId}` : `${config.name}:${config.unit}`;
-}
-
-export function makeNetworkConfigFromCustomConfig(config: CustomNetworkConfig): NetworkConfig {
-  // TODO - re-enable this block and classify customConfig after user-inputted dPaths are implemented
-  // -------------------------------------------------
-  // this still provides the type safety we want
-  // as we know config coming in is CustomNetworkConfig
-  // meaning name will be a string
-  // then we cast it as any to keep it as a network key
-  // interface Override extends NetworkConfig {
-  //   name: any;
-  // }
-  // -------------------------------------------------
-
-  // TODO - allow for user-inputted dPaths so we don't need to use any below and can use supplied dPaths
-  // In the meantime, networks with an unknown chainId will have HD wallets disabled
-  const customConfig: any = {
-    ...config,
-    color: '#000',
-    tokens: [],
-    contracts: []
-  };
-
-  return customConfig;
-}
-
-export function getNetworkConfigFromId(
-  id: string,
-  configs: CustomNetworkConfig[]
-): NetworkConfig | undefined {
-  if (NETWORKS[id]) {
-    return NETWORKS[id];
-  }
-
-  const customConfig = configs.find(conf => makeCustomNetworkId(conf) === id);
-  if (customConfig) {
-    return makeNetworkConfigFromCustomConfig(customConfig);
-  }
-}
-
-type PathType = keyof DPathFormats;
-
-type DPathFormat =
-  | SecureWalletName.TREZOR
-  | SecureWalletName.LEDGER_NANO_S
-  | InsecureWalletName.MNEMONIC_PHRASE;
-
-export function getPaths(pathType: PathType): DPath[] {
-  const networkPaths: DPath[] = [];
-  Object.values(NETWORKS).forEach(networkConfig => {
-    const path = networkConfig.dPathFormats ? networkConfig.dPathFormats[pathType] : [];
-    if (path) {
-      networkPaths.push(path as DPath);
-    }
-  });
-  const paths = networkPaths.concat(EXTRA_PATHS);
-  return sortedUniq(paths);
-}
-
-export function getSingleDPath(format: DPathFormat, network: NetworkConfig): DPath {
-  const dPathFormats = network.dPathFormats;
-  return dPathFormats[format];
-}
-
-export function isNetworkUnit(network: NetworkConfig, unit: string) {
-  const validNetworks = Object.values(NETWORKS).filter((n: NetworkConfig) => n.unit === unit);
-  return validNetworks.includes(network);
-}
-
-export function isWalletFormatSupportedOnNetwork(
-  format: WalletName,
-  network: NetworkConfig
-): boolean {
-  const CHECK_FORMATS: DPathFormat[] = [
-    SecureWalletName.LEDGER_NANO_S,
-    SecureWalletName.TREZOR,
-    InsecureWalletName.MNEMONIC_PHRASE
-  ];
-
-  const isHDFormat = (f: string): f is DPathFormat => CHECK_FORMATS.includes(f as DPathFormat);
-
-  // Ensure DPath's are found
-  if (isHDFormat(format)) {
-    const dPath = network.dPathFormats && network.dPathFormats[format];
-    return !!dPath;
-  }
-
-  // Ensure Web3 is only enabled on ETH or ETH Testnets (MetaMask does not support other networks)
-  if (format === SecureWalletName.WEB3) {
-    return isNetworkUnit(network, 'ETH');
-  }
-
-  // All other wallet formats are supported
-  return true;
-}
-
-export function allWalletFormatsSupportedOnNetwork(network: NetworkConfig): WalletName[] {
-  return walletNames.filter(walletName => isWalletFormatSupportedOnNetwork(walletName, network));
-}
-
-export function unSupportedWalletFormatsOnNetwork(network: NetworkConfig): WalletName[] {
-  const supportedFormats = allWalletFormatsSupportedOnNetwork(network);
-  return difference(walletNames, supportedFormats);
-}
diff --git a/common/utils/node.ts b/common/utils/node.ts
deleted file mode 100644
index 948f934f..00000000
--- a/common/utils/node.ts
+++ /dev/null
@@ -1,42 +0,0 @@
-import { CustomNode } from 'libs/nodes';
-import { NODES, NodeConfig, CustomNodeConfig } from 'config';
-
-export function makeCustomNodeId(config: CustomNodeConfig): string {
-  return `${config.url}:${config.port}`;
-}
-
-export function getCustomNodeConfigFromId(
-  id: string,
-  configs: CustomNodeConfig[]
-): CustomNodeConfig | undefined {
-  return configs.find(node => makeCustomNodeId(node) === id);
-}
-
-export function getNodeConfigFromId(
-  id: string,
-  configs: CustomNodeConfig[]
-): NodeConfig | undefined {
-  if (NODES[id]) {
-    return NODES[id];
-  }
-
-  const config = getCustomNodeConfigFromId(id, configs);
-  if (config) {
-    return makeNodeConfigFromCustomConfig(config);
-  }
-}
-
-export function makeNodeConfigFromCustomConfig(config: CustomNodeConfig): NodeConfig {
-  interface Override extends NodeConfig {
-    network: any;
-  }
-
-  const customConfig: Override = {
-    network: config.network,
-    lib: new CustomNode(config),
-    service: 'your custom node',
-    estimateGas: true
-  };
-
-  return customConfig;
-}
diff --git a/common/utils/tokens.ts b/common/utils/tokens.ts
index f39a482e..f092624f 100644
--- a/common/utils/tokens.ts
+++ b/common/utils/tokens.ts
@@ -1,4 +1,4 @@
-import { Token } from 'config';
+import { Token } from 'types/network';
 
 export function dedupeCustomTokens(networkTokens: Token[], customTokens: Token[]): Token[] {
   if (!customTokens.length) {
diff --git a/electron-app/main/menu.ts b/electron-app/main/menu.ts
index 740342b0..d2655135 100644
--- a/electron-app/main/menu.ts
+++ b/electron-app/main/menu.ts
@@ -38,7 +38,7 @@ const HELP_MENU = {
     {
       label: 'Help / FAQ',
       click() {
-      shell.openExternal('https://support.mycrypto.com/');
+        shell.openExternal('https://support.mycrypto.com/');
       }
     },
     {
diff --git a/shared/types/hardware-wallets.d.ts b/shared/types/hardware-wallets.d.ts
new file mode 100644
index 00000000..6f568370
--- /dev/null
+++ b/shared/types/hardware-wallets.d.ts
@@ -0,0 +1,4 @@
+interface DPath {
+  label: string;
+  value: string; // TODO determine method for more precise typing for path
+}
diff --git a/shared/types/network.d.ts b/shared/types/network.d.ts
new file mode 100644
index 00000000..7280268c
--- /dev/null
+++ b/shared/types/network.d.ts
@@ -0,0 +1,56 @@
+import { StaticNetworksState, CustomNetworksState } from 'reducers/config/networks';
+
+type StaticNetworkIds = 'ETH' | 'Ropsten' | 'Kovan' | 'Rinkeby' | 'ETC' | 'UBQ' | 'EXP';
+
+interface BlockExplorerConfig {
+  origin: string;
+  txUrl(txHash: string): string;
+  addressUrl(address: string): string;
+}
+
+interface Token {
+  address: string;
+  symbol: string;
+  decimal: number;
+  error?: string | null;
+}
+
+interface NetworkContract {
+  name: StaticNetworkIds;
+  address?: string;
+  abi: string;
+}
+
+interface DPathFormats {
+  trezor: DPath;
+  ledgerNanoS: DPath;
+  mnemonicPhrase: DPath;
+}
+
+interface StaticNetworkConfig {
+  isCustom: false; // used for type guards
+  name: StaticNetworkIds;
+  unit: string;
+  color?: string;
+  blockExplorer?: BlockExplorerConfig;
+  tokenExplorer?: {
+    name: string;
+    address(address: string): string;
+  };
+  chainId: number;
+  tokens: Token[];
+  contracts: NetworkContract[] | null;
+  dPathFormats: DPathFormats;
+  isTestnet?: boolean;
+}
+
+interface CustomNetworkConfig {
+  isCustom: true; // used for type guards
+  isTestnet?: boolean;
+  name: string;
+  unit: string;
+  chainId: number;
+  dPathFormats: DPathFormats | null;
+}
+
+type NetworkConfig = StaticNetworksState[StaticNetworkIds] | CustomNetworksState[string];
diff --git a/shared/types/node.d.ts b/shared/types/node.d.ts
new file mode 100644
index 00000000..dc30d0bd
--- /dev/null
+++ b/shared/types/node.d.ts
@@ -0,0 +1,55 @@
+import { RPCNode, Web3Node } from 'libs/nodes';
+import { StaticNetworkIds } from './network';
+import { StaticNodesState, CustomNodesState } from 'reducers/config/nodes';
+import CustomNode from 'libs/nodes/custom';
+
+interface CustomNodeConfig {
+  id: string;
+  isCustom: true;
+  name: string;
+  lib: CustomNode;
+  service: 'your custom node';
+  url: string;
+  port: number;
+  network: string;
+  auth?: {
+    username: string;
+    password: string;
+  };
+}
+
+interface StaticNodeConfig {
+  isCustom: false;
+  network: StaticNetworkIds;
+  lib: RPCNode | Web3Node;
+  service: string;
+  estimateGas?: boolean;
+  hidden?: boolean;
+}
+
+interface Web3NodeConfig extends StaticNodeConfig {
+  lib: Web3Node;
+}
+
+declare enum StaticNodeId {
+  ETH_MYCRYPTO = 'eth_mycrypto',
+  ETH_ETHSCAN = 'eth_ethscan',
+  ETH_INFURA = 'eth_infura',
+  ROP_INFURA = 'rop_infura',
+  KOV_ETHSCAN = 'kov_ethscan',
+  RIN_ETHSCAN = 'rin_ethscan',
+  RIN_INFURA = 'rin_infura',
+  ETC_EPOOL = 'etc_epool',
+  UBQ = 'ubq',
+  EXP_TECH = 'exp_tech'
+}
+
+type StaticNodeWithWeb3Id = StaticNodeId | 'web3';
+
+type NonWeb3NodeConfigs = { [key in StaticNodeId]: StaticNodeConfig };
+
+interface Web3NodeConfigs {
+  web3?: Web3NodeConfig;
+}
+
+type NodeConfig = StaticNodesState[StaticNodeId] | CustomNodesState[string];
diff --git a/spec/config/networks.spec.ts b/spec/config/networks.spec.ts
deleted file mode 100644
index 5227ce5a..00000000
--- a/spec/config/networks.spec.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { NETWORKS, NetworkConfig } from 'config';
-
-describe('Networks', () => {
-  Object.keys(NETWORKS).forEach(networkId => {
-    it(`${networkId} contains non-null dPathFormats`, () => {
-      const network: NetworkConfig = NETWORKS[networkId];
-      Object.values(network.dPathFormats).forEach(dPathFormat => {
-        expect(dPathFormat).toBeTruthy();
-      });
-    });
-  });
-
-  it(`contain unique chainIds`, () => {
-    const networkValues = Object.values(NETWORKS);
-    const chainIds = networkValues.map(a => a.chainId);
-    const chainIdsSet = new Set(chainIds);
-    expect(Array.from(chainIdsSet).length).toEqual(chainIds.length);
-  });
-});
diff --git a/spec/integration/RpcNodeTestConfig.js b/spec/integration/RpcNodeTestConfig.js
index 998645c8..f9928c31 100644
--- a/spec/integration/RpcNodeTestConfig.js
+++ b/spec/integration/RpcNodeTestConfig.js
@@ -1,5 +1,5 @@
 module.exports = {
-  RpcNodes: ['eth_mew', 'etc_epool', 'etc_epool', 'rop_mew'],
+  RpcNodes: ['eth_mycrypto', 'etc_epool', 'etc_epool', 'rop_mew'],
   EtherscanNodes: ['eth_ethscan', 'kov_ethscan', 'rin_ethscan'],
   InfuraNodes: ['eth_infura', 'rop_infura', 'rin_infura']
 };
diff --git a/spec/integration/data.int.ts b/spec/integration/data.int.ts
index 8cd56153..3a7db3f6 100644
--- a/spec/integration/data.int.ts
+++ b/spec/integration/data.int.ts
@@ -1,4 +1,3 @@
-import { NODES, NodeConfig } from 'config';
 import { RPCNode } from '../../common/libs/nodes';
 import { Validator } from 'jsonschema';
 import { schema } from '../../common/libs/validators';
@@ -6,6 +5,8 @@ import 'url-search-params-polyfill';
 import EtherscanNode from 'libs/nodes/etherscan';
 import InfuraNode from 'libs/nodes/infura';
 import RpcNodeTestConfig from './RpcNodeTestConfig';
+import { StaticNodeConfig } from 'types/node';
+import { staticNodesExpectedState } from '../reducers/config/nodes/staticNodes.spec';
 
 const v = new Validator();
 
@@ -63,7 +64,7 @@ function testRpcRequests(node: RPCNode, service: string) {
   });
 }
 
-const mapNodeEndpoints = (nodes: { [key: string]: NodeConfig }) => {
+const mapNodeEndpoints = (nodes: { [key: string]: StaticNodeConfig }) => {
   const { RpcNodes, EtherscanNodes, InfuraNodes } = RpcNodeTestConfig;
 
   RpcNodes.forEach(n => {
@@ -79,4 +80,6 @@ const mapNodeEndpoints = (nodes: { [key: string]: NodeConfig }) => {
   });
 };
 
-mapNodeEndpoints(NODES);
+mapNodeEndpoints((staticNodesExpectedState.initialState as any) as {
+  [key: string]: StaticNodeConfig;
+});
diff --git a/spec/pages/SendTransaction.spec.tsx b/spec/pages/SendTransaction.spec.tsx
index cd48a794..e5503d77 100644
--- a/spec/pages/SendTransaction.spec.tsx
+++ b/spec/pages/SendTransaction.spec.tsx
@@ -4,21 +4,14 @@ import Adapter from 'enzyme-adapter-react-16';
 import SendTransaction from 'containers/Tabs/SendTransaction';
 import shallowWithStore from '../utils/shallowWithStore';
 import { createMockStore } from 'redux-test-utils';
-import { NODES } from 'config';
 import { RouteComponentProps } from 'react-router';
 import { createMockRouteComponentProps } from '../utils/mockRouteComponentProps';
+import { config } from 'reducers/config';
 
 Enzyme.configure({ adapter: new Adapter() });
 
 it('render snapshot', () => {
-  const testNode = 'rop_mew';
-  const testStateConfig = {
-    languageSelection: 'en',
-    nodeSelection: testNode,
-    node: NODES[testNode],
-    gasPriceGwei: 21,
-    offline: false
-  };
+  const testStateConfig = config(undefined as any, {} as any);
   const testState = {
     wallet: {},
     balance: {},
diff --git a/spec/pages/Swap.spec.tsx b/spec/pages/Swap.spec.tsx
index 3928b607..a738eac2 100644
--- a/spec/pages/Swap.spec.tsx
+++ b/spec/pages/Swap.spec.tsx
@@ -5,7 +5,7 @@ import Swap from 'containers/Tabs/Swap';
 import shallowWithStore from '../utils/shallowWithStore';
 import { createMockStore } from 'redux-test-utils';
 import { INITIAL_STATE as swap } from 'reducers/swap';
-import { INITIAL_STATE as config } from 'reducers/config';
+import { config } from 'reducers/config';
 import { RouteComponentProps } from 'react-router';
 import { createMockRouteComponentProps } from '../utils/mockRouteComponentProps';
 
@@ -22,7 +22,7 @@ const routeProps: RouteComponentProps<any> = createMockRouteComponentProps({
 });
 
 it('render snapshot', () => {
-  const store = createMockStore({ swap, config });
+  const store = createMockStore({ swap, config: config(undefined as any, {} as any) });
   const component = shallowWithStore(<Swap {...routeProps} />, store);
 
   expect(component).toMatchSnapshot();
diff --git a/spec/pages/__snapshots__/SendTransaction.spec.tsx.snap b/spec/pages/__snapshots__/SendTransaction.spec.tsx.snap
index 9d66e2cd..b79b9289 100644
--- a/spec/pages/__snapshots__/SendTransaction.spec.tsx.snap
+++ b/spec/pages/__snapshots__/SendTransaction.spec.tsx.snap
@@ -41,5 +41,6 @@ exports[`render snapshot 1`] = `
       "url": "/account",
     }
   }
+  requestDisabled={false}
 />
 `;
diff --git a/spec/reducers/config.spec.ts b/spec/reducers/config.spec.ts
deleted file mode 100644
index f4926f95..00000000
--- a/spec/reducers/config.spec.ts
+++ /dev/null
@@ -1,91 +0,0 @@
-import { config, INITIAL_STATE } from 'reducers/config';
-import * as configActions from 'actions/config';
-import { NODES, NETWORKS } from 'config';
-import { makeCustomNodeId, makeNodeConfigFromCustomConfig } from 'utils/node';
-
-const custNode = {
-  name: 'Test Config',
-  url: 'https://somecustomconfig.org/',
-  port: 443,
-  network: 'ETH'
-};
-
-describe('config reducer', () => {
-  it('should handle CONFIG_LANGUAGE_CHANGE', () => {
-    const language = 'en';
-    expect(config(undefined, configActions.changeLanguage(language))).toEqual({
-      ...INITIAL_STATE,
-      languageSelection: language
-    });
-  });
-
-  it('should handle CONFIG_NODE_CHANGE', () => {
-    const key = Object.keys(NODES)[0];
-    const node = NODES[key];
-    const network = NETWORKS[node.network];
-
-    expect(config(undefined, configActions.changeNode(key, node, network))).toEqual({
-      ...INITIAL_STATE,
-      node: NODES[key],
-      nodeSelection: key
-    });
-  });
-
-  it('should handle CONFIG_TOGGLE_OFFLINE', () => {
-    const offlineState = {
-      ...INITIAL_STATE,
-      offline: true
-    };
-
-    const onlineState = {
-      ...INITIAL_STATE,
-      offline: false
-    };
-
-    expect(config(offlineState, configActions.toggleOfflineConfig())).toEqual({
-      ...offlineState,
-      offline: false
-    });
-
-    expect(config(onlineState, configActions.toggleOfflineConfig())).toEqual({
-      ...onlineState,
-      offline: true
-    });
-  });
-
-  it('should handle CONFIG_ADD_CUSTOM_NODE', () => {
-    expect(config(undefined, configActions.addCustomNode(custNode))).toEqual({
-      ...INITIAL_STATE,
-      customNodes: [custNode]
-    });
-  });
-
-  describe('should handle CONFIG_REMOVE_CUSTOM_NODE', () => {
-    const customNodeId = makeCustomNodeId(custNode);
-    const addedState = config(undefined, configActions.addCustomNode(custNode));
-    const addedAndActiveState = config(
-      addedState,
-      configActions.changeNode(
-        customNodeId,
-        makeNodeConfigFromCustomConfig(custNode),
-        NETWORKS[custNode.network]
-      )
-    );
-    const removedState = config(addedAndActiveState, configActions.removeCustomNode(custNode));
-
-    it('should remove the custom node from `customNodes`', () => {
-      expect(removedState.customNodes.length).toBe(0);
-    });
-
-    it('should change the active node, if the custom one was active', () => {
-      expect(removedState.nodeSelection === customNodeId).toBeFalsy();
-    });
-  });
-
-  it('should handle CONFIG_SET_LATEST_BLOCK', () => {
-    expect(config(undefined, configActions.setLatestBlock('12345'))).toEqual({
-      ...INITIAL_STATE,
-      latestBlock: '12345'
-    });
-  });
-});
diff --git a/spec/sagas/__snapshots__/config.spec.ts.snap b/spec/reducers/config/__snapshots__/config.spec.ts.snap
similarity index 79%
rename from spec/sagas/__snapshots__/config.spec.ts.snap
rename to spec/reducers/config/__snapshots__/config.spec.ts.snap
index c0e9a2f6..fb70e64f 100644
--- a/spec/sagas/__snapshots__/config.spec.ts.snap
+++ b/spec/reducers/config/__snapshots__/config.spec.ts.snap
@@ -8,7 +8,17 @@ Object {
       "@@redux-saga/IO": true,
       "CALL": Object {
         "args": Array [],
-        "context": null,
+        "context": RpcNode {
+          "client": RPCClient {
+            "batch": [Function],
+            "call": [Function],
+            "createHeaders": [Function],
+            "decorateRequest": [Function],
+            "endpoint": "https://node.expanse.tech/",
+            "headers": Object {},
+          },
+          "requests": RPCRequests {},
+        },
         "fn": [Function],
       },
     },
@@ -29,25 +39,9 @@ Object {
 exports[`handleNodeChangeIntent* should select getCustomNodeConfig and match race snapshot 1`] = `
 Object {
   "@@redux-saga/IO": true,
-  "RACE": Object {
-    "lb": Object {
-      "@@redux-saga/IO": true,
-      "CALL": Object {
-        "args": Array [],
-        "context": null,
-        "fn": [Function],
-      },
-    },
-    "to": Object {
-      "@@redux-saga/IO": true,
-      "CALL": Object {
-        "args": Array [
-          5000,
-        ],
-        "context": null,
-        "fn": [Function],
-      },
-    },
+  "SELECT": Object {
+    "args": Array [],
+    "selector": [Function],
   },
 }
 `;
diff --git a/spec/sagas/config.spec.ts b/spec/reducers/config/config.spec.ts
similarity index 60%
rename from spec/sagas/config.spec.ts
rename to spec/reducers/config/config.spec.ts
index 1ce5bed8..c5a03304 100644
--- a/spec/sagas/config.spec.ts
+++ b/spec/reducers/config/config.spec.ts
@@ -2,33 +2,38 @@ import { configuredStore } from 'store';
 import { delay } from 'redux-saga';
 import { call, cancel, fork, put, take, select } from 'redux-saga/effects';
 import { cloneableGenerator, createMockTask } from 'redux-saga/utils';
-import { toggleOfflineConfig, changeNode, changeNodeIntent, setLatestBlock } from 'actions/config';
+import { toggleOffline, changeNode, changeNodeIntent, setLatestBlock } from 'actions/config';
 import {
-  pollOfflineStatus,
-  handlePollOfflineStatus,
   handleNodeChangeIntent,
-  unsetWeb3Node,
-  unsetWeb3NodeOnWalletEvent,
-  equivalentNodeOrDefault,
+  handlePollOfflineStatus,
+  pollOfflineStatus,
   reload
-} from 'sagas/config';
-import { NODES, NodeConfig, NETWORKS } from 'config';
+} from 'sagas/config/node';
 import {
-  getNode,
+  getNodeId,
   getNodeConfig,
   getOffline,
-  getCustomNodeConfigs,
-  getCustomNetworkConfigs
+  isStaticNodeId,
+  getStaticNodeFromId,
+  getNetworkConfigById,
+  getCustomNodeFromId,
+  getStaticAltNodeIdToWeb3
 } from 'selectors/config';
-import { INITIAL_STATE as configInitialState } from 'reducers/config';
 import { Web3Wallet } from 'libs/wallet';
-import { RPCNode } from 'libs/nodes';
 import { showNotification } from 'actions/notifications';
 import { translateRaw } from 'translations';
+import { StaticNodeConfig } from 'types/node';
+import { staticNodesExpectedState } from './nodes/staticNodes.spec';
+import { metaExpectedState } from './meta/meta.spec';
+import { selectedNodeExpectedState } from './nodes/selectedNode.spec';
+import { customNodesExpectedState, firstCustomNodeId } from './nodes/customNodes.spec';
+import { unsetWeb3Node, unsetWeb3NodeOnWalletEvent } from 'sagas/config/web3';
+
 // init module
 configuredStore.getState();
 
 describe('pollOfflineStatus*', () => {
+  const { togglingToOffline, togglingToOnline } = metaExpectedState;
   const nav = navigator as any;
   const doc = document as any;
   const data = {} as any;
@@ -38,7 +43,6 @@ describe('pollOfflineStatus*', () => {
       ping: jest.fn()
     }
   };
-  const isOffline = true;
   const raceSuccess = {
     pingSucceeded: true,
     timeout: false
@@ -88,29 +92,29 @@ describe('pollOfflineStatus*', () => {
   it('should call delay if document is hidden', () => {
     data.hiddenDoc = data.gen.clone();
     doc.hidden = true;
-    expect(data.hiddenDoc.next(!isOffline).value).toEqual(call(delay, 1000));
+    expect(data.hiddenDoc.next(togglingToOnline.offline).value).toEqual(call(delay, 1000));
     doc.hidden = false;
   });
 
   it('should race pingSucceeded and timeout', () => {
     data.isOfflineClone = data.gen.clone();
     data.shouldDelayClone = data.gen.clone();
-    expect(data.gen.next(isOffline).value).toMatchSnapshot();
+    expect(data.gen.next(togglingToOffline.offline).value).toMatchSnapshot();
   });
 
   it('should toggle offline and show notification if navigator disagrees with isOffline and ping succeeds', () => {
     expect(data.gen.next(raceSuccess).value).toEqual(
       put(showNotification('success', 'Your connection to the network has been restored!', 3000))
     );
-    expect(data.gen.next().value).toEqual(put(toggleOfflineConfig()));
+    expect(data.gen.next().value).toEqual(put(toggleOffline()));
   });
 
   it('should toggle offline and show notification if navigator agrees with isOffline and ping fails', () => {
-    nav.onLine = isOffline;
-    expect(data.isOfflineClone.next(!isOffline));
+    nav.onLine = togglingToOffline.offline;
+    expect(data.isOfflineClone.next(togglingToOnline.offline));
     expect(data.isOfflineClone.next(raceFailure).value).toMatchSnapshot();
-    expect(data.isOfflineClone.next().value).toEqual(put(toggleOfflineConfig()));
-    nav.onLine = !isOffline;
+    expect(data.isOfflineClone.next().value).toEqual(put(toggleOffline()));
+    nav.onLine = togglingToOnline.offline;
   });
 });
 
@@ -136,17 +140,15 @@ describe('handleNodeChangeIntent*', () => {
   let originalRandom;
 
   // normal operation variables
-  const defaultNode = configInitialState.nodeSelection;
-  const defaultNodeConfig = NODES[defaultNode];
-  const customNetworkConfigs = [];
-  const defaultNodeNetwork = NETWORKS[defaultNodeConfig.network];
-  const newNode = Object.keys(NODES).reduce(
-    (acc, cur) => (NODES[cur].network !== defaultNodeConfig.network ? cur : acc)
+  const defaultNodeId = selectedNodeExpectedState.initialState.nodeId;
+  const defaultNodeConfig: StaticNodeConfig = staticNodesExpectedState.initialState[defaultNodeId];
+  const newNodeId = Object.keys(staticNodesExpectedState.initialState).reduce(
+    (acc, cur) =>
+      staticNodesExpectedState.initialState[cur].network !== defaultNodeConfig.network ? cur : acc
   );
-  const newNodeConfig = NODES[newNode];
-  const newNodeNetwork = NETWORKS[newNodeConfig.network];
+  const newNodeConfig: StaticNodeConfig = staticNodesExpectedState.initialState[newNodeId];
 
-  const changeNodeIntentAction = changeNodeIntent(newNode);
+  const changeNodeIntentAction = changeNodeIntent(newNodeId);
   const latestBlock = '0xa';
   const raceSuccess = {
     lb: latestBlock
@@ -159,9 +161,10 @@ describe('handleNodeChangeIntent*', () => {
   data.gen = cloneableGenerator(handleNodeChangeIntent)(changeNodeIntentAction);
 
   function shouldBailOut(gen, nextVal, errMsg) {
-    expect(gen.next(nextVal).value).toEqual(put(showNotification('danger', errMsg, 5000)));
+    expect(gen.next(nextVal).value).toEqual(select(getNodeId));
+    expect(gen.next(defaultNodeId).value).toEqual(put(showNotification('danger', errMsg, 5000)));
     expect(gen.next().value).toEqual(
-      put(changeNode(defaultNode, defaultNodeConfig, defaultNodeNetwork))
+      put(changeNode({ networkId: defaultNodeConfig.network, nodeId: defaultNodeId }))
     );
     expect(gen.next().done).toEqual(true);
   }
@@ -175,34 +178,38 @@ describe('handleNodeChangeIntent*', () => {
     Math.random = originalRandom;
   });
 
-  it('should select getNode', () => {
-    expect(data.gen.next().value).toEqual(select(getNode));
+  it('should select is static node', () => {
+    expect(data.gen.next().value).toEqual(select(isStaticNodeId, newNodeId));
   });
 
   it('should select nodeConfig', () => {
-    expect(data.gen.next(defaultNode).value).toEqual(select(getNodeConfig));
+    expect(data.gen.next(defaultNodeId).value).toEqual(select(getNodeConfig));
   });
 
-  it('should select getCustomNetworkConfigs', () => {
-    expect(data.gen.next(defaultNodeConfig).value).toEqual(select(getCustomNetworkConfigs));
+  it('should select getStaticNodeFromId', () => {
+    expect(data.gen.next(defaultNodeConfig).value).toEqual(select(getStaticNodeFromId, newNodeId));
   });
 
   it('should race getCurrentBlock and delay', () => {
-    expect(data.gen.next(customNetworkConfigs).value).toMatchSnapshot();
+    expect(data.gen.next(newNodeConfig).value).toMatchSnapshot();
   });
 
   it('should show error and revert to previous node if check times out', () => {
     data.clone1 = data.gen.clone();
     shouldBailOut(data.clone1, raceFailure, translateRaw('ERROR_32'));
   });
-
+  it('should getNetworkConfigById', () => {
+    expect(data.gen.next(raceSuccess).value).toEqual(
+      select(getNetworkConfigById, newNodeConfig.network)
+    );
+  });
   it('should put setLatestBlock', () => {
     expect(data.gen.next(raceSuccess).value).toEqual(put(setLatestBlock(latestBlock)));
   });
 
   it('should put changeNode', () => {
     expect(data.gen.next().value).toEqual(
-      put(changeNode(changeNodeIntentAction.payload, newNodeConfig, newNodeNetwork))
+      put(changeNode({ networkId: newNodeConfig.network, nodeId: newNodeId }))
     );
   });
 
@@ -216,41 +223,40 @@ describe('handleNodeChangeIntent*', () => {
   });
 
   // custom node variables
-  const customNodeConfigs = [
-    {
-      name: 'name',
-      url: 'url',
-      port: 443,
-      network: 'network'
-    }
-  ];
-  const customNodeIdFound = 'url:443';
-  const customNodeIdNotFound = 'notFound';
-  const customNodeAction = changeNodeIntent(customNodeIdFound);
-  const customNodeNotFoundAction = changeNodeIntent(customNodeIdNotFound);
+  const customNodeConfigs = customNodesExpectedState.addFirstCustomNode;
+  const customNodeAction = changeNodeIntent(firstCustomNodeId);
   data.customNode = handleNodeChangeIntent(customNodeAction);
-  data.customNodeNotFound = handleNodeChangeIntent(customNodeNotFoundAction);
 
   // test custom node
   it('should select getCustomNodeConfig and match race snapshot', () => {
     data.customNode.next();
-    data.customNode.next(defaultNode);
-    data.customNode.next(defaultNodeConfig);
-    expect(data.customNode.next(customNetworkConfigs).value).toEqual(select(getCustomNodeConfigs));
+    data.customNode.next(false);
+    expect(data.customNode.next(defaultNodeConfig).value).toEqual(
+      select(getCustomNodeFromId, firstCustomNodeId)
+    );
     expect(data.customNode.next(customNodeConfigs).value).toMatchSnapshot();
   });
 
+  const customNodeIdNotFound = firstCustomNodeId + 'notFound';
+  const customNodeNotFoundAction = changeNodeIntent(customNodeIdNotFound);
+  data.customNodeNotFound = handleNodeChangeIntent(customNodeNotFoundAction);
+
   // test custom node not found
   it('should handle unknown / missing custom node', () => {
     data.customNodeNotFound.next();
-    data.customNodeNotFound.next(defaultNode);
-    data.customNodeNotFound.next(defaultNodeConfig);
-    expect(data.customNodeNotFound.next(customNetworkConfigs).value).toEqual(
-      select(getCustomNodeConfigs)
+    data.customNodeNotFound.next(false);
+  });
+
+  it('should blah', () => {
+    expect(data.customNodeNotFound.next(defaultNodeConfig).value).toEqual(
+      select(getCustomNodeFromId, customNodeIdNotFound)
     );
+  });
+
+  it('should blahah', () => {
     shouldBailOut(
       data.customNodeNotFound,
-      customNodeConfigs,
+      null,
       `Attempted to switch to unknown node '${customNodeNotFoundAction.payload}'`
     );
   });
@@ -258,20 +264,19 @@ describe('handleNodeChangeIntent*', () => {
 
 describe('unsetWeb3Node*', () => {
   const node = 'web3';
-  const mockNodeConfig = { network: 'ETH' } as any;
-  const newNode = equivalentNodeOrDefault(mockNodeConfig);
+  const alternativeNodeId = 'eth_mycrypto';
   const gen = unsetWeb3Node();
 
   it('should select getNode', () => {
-    expect(gen.next().value).toEqual(select(getNode));
+    expect(gen.next().value).toEqual(select(getNodeId));
   });
 
-  it('should select getNodeConfig', () => {
-    expect(gen.next(node).value).toEqual(select(getNodeConfig));
+  it('should select an alternative node to web3', () => {
+    expect(gen.next(node).value).toEqual(select(getStaticAltNodeIdToWeb3));
   });
 
   it('should put changeNodeIntent', () => {
-    expect(gen.next(mockNodeConfig).value).toEqual(put(changeNodeIntent(newNode)));
+    expect(gen.next(alternativeNodeId).value).toEqual(put(changeNodeIntent(alternativeNodeId)));
   });
 
   it('should be done', () => {
@@ -288,22 +293,20 @@ describe('unsetWeb3Node*', () => {
 
 describe('unsetWeb3NodeOnWalletEvent*', () => {
   const fakeAction = {};
-  const mockNode = 'web3';
-  const mockNodeConfig: Partial<NodeConfig> = { network: 'ETH' };
+  const mockNodeId = 'web3';
+  const alternativeNodeId = 'eth_mycrypto';
   const gen = unsetWeb3NodeOnWalletEvent(fakeAction);
 
   it('should select getNode', () => {
-    expect(gen.next().value).toEqual(select(getNode));
+    expect(gen.next().value).toEqual(select(getNodeId));
   });
 
-  it('should select getNodeConfig', () => {
-    expect(gen.next(mockNode).value).toEqual(select(getNodeConfig));
+  it('should select an alternative node to web3', () => {
+    expect(gen.next(mockNodeId).value).toEqual(select(getStaticAltNodeIdToWeb3));
   });
 
   it('should put changeNodeIntent', () => {
-    expect(gen.next(mockNodeConfig).value).toEqual(
-      put(changeNodeIntent(equivalentNodeOrDefault(mockNodeConfig as any)))
-    );
+    expect(gen.next(alternativeNodeId).value).toEqual(put(changeNodeIntent(alternativeNodeId)));
   });
 
   it('should be done', () => {
@@ -327,51 +330,3 @@ describe('unsetWeb3NodeOnWalletEvent*', () => {
     expect(gen2.next().done).toEqual(true);
   });
 });
-
-describe('equivalentNodeOrDefault', () => {
-  const originalNodeList = Object.keys(NODES);
-  const appDefaultNode = configInitialState.nodeSelection;
-  const mockNodeConfig = {
-    network: 'ETH',
-    service: 'fakeService',
-    lib: new RPCNode('fakeEndpoint'),
-    estimateGas: false
-  };
-
-  afterEach(() => {
-    Object.keys(NODES).forEach(node => {
-      if (originalNodeList.indexOf(node) === -1) {
-        delete NODES[node];
-      }
-    });
-  });
-
-  it('should return node with equivalent network', () => {
-    const node = equivalentNodeOrDefault({
-      ...mockNodeConfig,
-      network: 'Kovan'
-    });
-    expect(NODES[node].network).toEqual('Kovan');
-  });
-
-  it('should return app default if no eqivalent is found', () => {
-    const node = equivalentNodeOrDefault({
-      ...mockNodeConfig,
-      network: 'noEqivalentExists'
-    } as any);
-    expect(node).toEqual(appDefaultNode);
-  });
-
-  it('should ignore web3 from node list', () => {
-    NODES.web3 = {
-      ...mockNodeConfig,
-      network: 'uniqueToWeb3'
-    } as any;
-
-    const node = equivalentNodeOrDefault({
-      ...mockNodeConfig,
-      network: 'uniqueToWeb3'
-    } as any);
-    expect(node).toEqual(appDefaultNode);
-  });
-});
diff --git a/spec/reducers/config/meta/meta.spec.ts b/spec/reducers/config/meta/meta.spec.ts
new file mode 100644
index 00000000..03126fb4
--- /dev/null
+++ b/spec/reducers/config/meta/meta.spec.ts
@@ -0,0 +1,76 @@
+import { meta } from 'reducers/config/meta';
+import { changeLanguage, toggleOffline, toggleAutoGasLimit, setLatestBlock } from 'actions/config';
+
+const expectedInitialState = {
+  languageSelection: 'en',
+  offline: false,
+  autoGasLimit: true,
+  latestBlock: '???'
+};
+
+const expectedState = {
+  initialState: expectedInitialState,
+  changingLanguage: {
+    ...expectedInitialState,
+    languageSelection: 'langaugeToChange'
+  },
+  togglingToOffline: {
+    ...expectedInitialState,
+    offline: true
+  },
+  togglingToOnline: {
+    ...expectedInitialState,
+    offline: false
+  },
+  togglingToManualGasLimit: {
+    ...expectedInitialState,
+    autoGasLimit: false
+  },
+  togglingToAutoGasLimit: {
+    ...expectedInitialState,
+    autoGasLimit: true
+  },
+  settingLatestBlock: {
+    ...expectedInitialState,
+    latestBlock: '12345'
+  }
+};
+
+const actions = {
+  changeLangauge: changeLanguage('langaugeToChange'),
+  toggleOffline: toggleOffline(),
+  toggleAutoGasLimit: toggleAutoGasLimit(),
+  setLatestBlock: setLatestBlock('12345')
+};
+
+describe('meta reducer', () => {
+  it('should return the inital state', () =>
+    expect(meta(undefined, {} as any)).toEqual(expectedState.initialState));
+
+  it('should handle toggling to offline', () =>
+    expect(meta(expectedState.initialState, actions.toggleOffline)).toEqual(
+      expectedState.togglingToOffline
+    ));
+
+  it('should handle toggling back to online', () =>
+    expect(meta(expectedState.togglingToOffline, actions.toggleOffline)).toEqual(
+      expectedState.togglingToOnline
+    ));
+
+  it('should handle toggling to manual gas limit', () =>
+    expect(meta(expectedState.initialState, actions.toggleAutoGasLimit)).toEqual(
+      expectedState.togglingToManualGasLimit
+    ));
+
+  it('should handle toggling back to auto gas limit', () =>
+    expect(meta(expectedState.togglingToManualGasLimit, actions.toggleAutoGasLimit)).toEqual(
+      expectedState.togglingToAutoGasLimit
+    ));
+
+  it('should handle setting the latest block', () =>
+    expect(meta(expectedState.initialState, actions.setLatestBlock)).toEqual(
+      expectedState.settingLatestBlock
+    ));
+});
+
+export { actions as metaActions, expectedState as metaExpectedState };
diff --git a/spec/reducers/config/networks/customNetworks.spec.ts b/spec/reducers/config/networks/customNetworks.spec.ts
new file mode 100644
index 00000000..ce3f0f3f
--- /dev/null
+++ b/spec/reducers/config/networks/customNetworks.spec.ts
@@ -0,0 +1,62 @@
+import { CustomNetworkConfig } from 'types/network';
+import { addCustomNetwork, removeCustomNetwork } from 'actions/config';
+import { customNetworks } from 'reducers/config/networks/customNetworks';
+
+const firstCustomNetworkId = 'firstCustomNetwork';
+const firstCustomNetworkConfig: CustomNetworkConfig = {
+  isCustom: true,
+  chainId: 1,
+  name: firstCustomNetworkId,
+  unit: 'customNetworkUnit',
+  dPathFormats: null
+};
+
+const secondCustomNetworkId = 'secondCustomNetwork';
+const secondCustomNetworkConfig: CustomNetworkConfig = {
+  ...firstCustomNetworkConfig,
+  name: secondCustomNetworkId
+};
+
+const expectedState = {
+  initialState: {},
+  addFirstCustomNetwork: { [firstCustomNetworkId]: firstCustomNetworkConfig },
+  addSecondCustomNetwork: {
+    [firstCustomNetworkId]: firstCustomNetworkConfig,
+    [secondCustomNetworkId]: secondCustomNetworkConfig
+  },
+  removeFirstCustomNetwork: { [secondCustomNetworkId]: secondCustomNetworkConfig }
+};
+
+const actions = {
+  addFirstCustomNetwork: addCustomNetwork({
+    id: firstCustomNetworkId,
+    config: firstCustomNetworkConfig
+  }),
+  addSecondCustomNetwork: addCustomNetwork({
+    config: secondCustomNetworkConfig,
+    id: secondCustomNetworkId
+  }),
+  removeFirstCustomNetwork: removeCustomNetwork({ id: firstCustomNetworkId })
+};
+
+describe('custom networks reducer', () => {
+  it('should return the intial state', () =>
+    expect(customNetworks(undefined, {} as any)).toEqual(expectedState.initialState));
+
+  it('should handle adding the first custom network', () =>
+    expect(customNetworks(expectedState.initialState, actions.addFirstCustomNetwork)).toEqual(
+      expectedState.addFirstCustomNetwork
+    ));
+
+  it('should handle adding the second custom network', () =>
+    expect(
+      customNetworks(expectedState.addFirstCustomNetwork, actions.addSecondCustomNetwork)
+    ).toEqual(expectedState.addSecondCustomNetwork));
+
+  it('should handle removing the first custom network', () =>
+    expect(
+      customNetworks(expectedState.addSecondCustomNetwork, actions.removeFirstCustomNetwork)
+    ).toEqual(expectedState.removeFirstCustomNetwork));
+});
+
+export { actions as customNetworksActions, expectedState as customNetworksExpectedState };
diff --git a/spec/reducers/config/networks/staticNetworks.spec.ts b/spec/reducers/config/networks/staticNetworks.spec.ts
new file mode 100644
index 00000000..b9fdb977
--- /dev/null
+++ b/spec/reducers/config/networks/staticNetworks.spec.ts
@@ -0,0 +1,149 @@
+import { staticNetworks, makeExplorer } from 'reducers/config/networks/staticNetworks';
+import { ethPlorer, ETHTokenExplorer, SecureWalletName, InsecureWalletName } from 'config/data';
+import {
+  ETH_DEFAULT,
+  ETH_TREZOR,
+  ETH_LEDGER,
+  ETC_LEDGER,
+  ETC_TREZOR,
+  ETH_TESTNET,
+  EXP_DEFAULT,
+  UBQ_DEFAULT
+} from 'config/dpaths';
+
+const expectedInitialState = {
+  ETH: {
+    name: 'ETH',
+    unit: 'ETH',
+    chainId: 1,
+    isCustom: false,
+    color: '#0e97c0',
+    blockExplorer: makeExplorer('https://etherscan.io'),
+    tokenExplorer: {
+      name: ethPlorer,
+      address: ETHTokenExplorer
+    },
+    tokens: require('config/tokens/eth.json'),
+    contracts: require('config/contracts/eth.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TREZOR,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_LEDGER,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_DEFAULT
+    }
+  },
+  Ropsten: {
+    name: 'Ropsten',
+    unit: 'ETH',
+    chainId: 3,
+    isCustom: false,
+    color: '#adc101',
+    blockExplorer: makeExplorer('https://ropsten.etherscan.io'),
+    tokens: require('config/tokens/ropsten.json'),
+    contracts: require('config/contracts/ropsten.json'),
+    isTestnet: true,
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TESTNET,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
+    }
+  },
+  Kovan: {
+    name: 'Kovan',
+    unit: 'ETH',
+    chainId: 42,
+    isCustom: false,
+    color: '#adc101',
+    blockExplorer: makeExplorer('https://kovan.etherscan.io'),
+    tokens: require('config/tokens/ropsten.json'),
+    contracts: require('config/contracts/ropsten.json'),
+    isTestnet: true,
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TESTNET,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
+    }
+  },
+  Rinkeby: {
+    name: 'Rinkeby',
+    unit: 'ETH',
+    chainId: 4,
+    isCustom: false,
+    color: '#adc101',
+    blockExplorer: makeExplorer('https://rinkeby.etherscan.io'),
+    tokens: require('config/tokens/rinkeby.json'),
+    contracts: require('config/contracts/rinkeby.json'),
+    isTestnet: true,
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETH_TESTNET,
+      [SecureWalletName.LEDGER_NANO_S]: ETH_TESTNET,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETH_TESTNET
+    }
+  },
+  ETC: {
+    name: 'ETC',
+    unit: 'ETC',
+    chainId: 61,
+    isCustom: false,
+    color: '#669073',
+    blockExplorer: makeExplorer('https://gastracker.io'),
+    tokens: require('config/tokens/etc.json'),
+    contracts: require('config/contracts/etc.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: ETC_TREZOR,
+      [SecureWalletName.LEDGER_NANO_S]: ETC_LEDGER,
+      [InsecureWalletName.MNEMONIC_PHRASE]: ETC_TREZOR
+    }
+  },
+  UBQ: {
+    name: 'UBQ',
+    unit: 'UBQ',
+    chainId: 8,
+    isCustom: false,
+    color: '#b37aff',
+    blockExplorer: makeExplorer('https://ubiqscan.io/en'),
+    tokens: require('config/tokens/ubq.json'),
+    contracts: require('config/contracts/ubq.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: UBQ_DEFAULT,
+      [SecureWalletName.LEDGER_NANO_S]: UBQ_DEFAULT,
+      [InsecureWalletName.MNEMONIC_PHRASE]: UBQ_DEFAULT
+    }
+  },
+  EXP: {
+    name: 'EXP',
+    unit: 'EXP',
+    chainId: 2,
+    isCustom: false,
+    color: '#673ab7',
+    blockExplorer: makeExplorer('https://www.gander.tech'),
+    tokens: require('config/tokens/exp.json'),
+    contracts: require('config/contracts/exp.json'),
+    dPathFormats: {
+      [SecureWalletName.TREZOR]: EXP_DEFAULT,
+      [SecureWalletName.LEDGER_NANO_S]: EXP_DEFAULT,
+      [InsecureWalletName.MNEMONIC_PHRASE]: EXP_DEFAULT
+    }
+  }
+};
+
+const expectedState = {
+  initialState: expectedInitialState
+};
+
+describe('Testing contained data', () => {
+  it(`contain unique chainIds`, () => {
+    const networkValues = Object.values(expectedInitialState);
+    const chainIds = networkValues.map(a => a.chainId);
+    const chainIdsSet = new Set(chainIds);
+    expect(Array.from(chainIdsSet).length).toEqual(chainIds.length);
+  });
+});
+
+describe('static networks reducer', () => {
+  it('should return the initial state', () =>
+    expect(JSON.stringify(staticNetworks(undefined, {} as any))).toEqual(
+      JSON.stringify(expectedState.initialState)
+    ));
+});
+
+export { expectedState as staticNetworksExpectedState };
diff --git a/spec/reducers/config/nodes/customNodes.spec.ts b/spec/reducers/config/nodes/customNodes.spec.ts
new file mode 100644
index 00000000..b18f7be1
--- /dev/null
+++ b/spec/reducers/config/nodes/customNodes.spec.ts
@@ -0,0 +1,57 @@
+import { addCustomNode, removeCustomNode } from 'actions/config';
+import { CustomNodeConfig } from 'types/node';
+import { customNodes } from 'reducers/config/nodes/customNodes';
+
+export const firstCustomNodeId = 'customNode1';
+const firstCustomNode: CustomNodeConfig = {
+  isCustom: true,
+  id: firstCustomNodeId,
+  lib: jest.fn() as any,
+  name: 'My cool custom node',
+  network: 'CustomNetworkId',
+  port: 8080,
+  service: 'your custom node',
+  url: '127.0.0.1'
+};
+
+const secondCustomNodeId = 'customNode2';
+const secondCustomNode: CustomNodeConfig = {
+  ...firstCustomNode,
+  id: secondCustomNodeId
+};
+
+const expectedState = {
+  initialState: {},
+  addFirstCustomNode: { [firstCustomNodeId]: firstCustomNode },
+  addSecondCustomNode: {
+    [firstCustomNodeId]: firstCustomNode,
+    [secondCustomNodeId]: secondCustomNode
+  },
+  removeFirstCustomNode: { [secondCustomNodeId]: secondCustomNode }
+};
+
+const actions = {
+  addFirstCustomNode: addCustomNode({ id: firstCustomNodeId, config: firstCustomNode }),
+  addSecondCustomNode: addCustomNode({ id: secondCustomNodeId, config: secondCustomNode }),
+  removeFirstCustomNode: removeCustomNode({ id: firstCustomNodeId })
+};
+
+describe('custom nodes reducer', () => {
+  it('should return the initial state', () =>
+    expect(customNodes(undefined, {} as any)).toEqual({}));
+
+  it('should handle adding the first custom node', () =>
+    expect(customNodes(expectedState.initialState, actions.addFirstCustomNode)).toEqual(
+      expectedState.addFirstCustomNode
+    ));
+  it('should handle adding a second custom node', () =>
+    expect(customNodes(expectedState.addFirstCustomNode, actions.addSecondCustomNode)).toEqual(
+      expectedState.addSecondCustomNode
+    ));
+  it('should handle removing the first custom node', () =>
+    expect(customNodes(expectedState.addSecondCustomNode, actions.removeFirstCustomNode)).toEqual(
+      expectedState.removeFirstCustomNode
+    ));
+});
+
+export { actions as customNodesActions, expectedState as customNodesExpectedState };
diff --git a/spec/reducers/config/nodes/selectedNode.spec.ts b/spec/reducers/config/nodes/selectedNode.spec.ts
new file mode 100644
index 00000000..691c5604
--- /dev/null
+++ b/spec/reducers/config/nodes/selectedNode.spec.ts
@@ -0,0 +1,28 @@
+import { changeNodeIntent, changeNode } from 'actions/config';
+import { State, selectedNode } from 'reducers/config/nodes/selectedNode';
+
+export const expectedState = {
+  initialState: { nodeId: 'eth_mycrypto', pending: false },
+  nodeChange: { nodeId: 'nodeToChangeTo', pending: false },
+  nodeChangeIntent: { nodeId: 'eth_mycrypto', pending: true }
+};
+
+export const actions = {
+  changeNode: changeNode({ nodeId: 'nodeToChangeTo', networkId: 'networkToChangeTo' }),
+  changeNodeIntent: changeNodeIntent('eth_mycrypto')
+};
+
+describe('selected node reducer', () => {
+  it(' should return the initial state', () =>
+    expect(selectedNode(undefined, {} as any)).toEqual(expectedState.initialState));
+
+  it('should handle a node change', () =>
+    expect(selectedNode(undefined, actions.changeNode)).toEqual(expectedState.nodeChange));
+
+  it('should handle the intent to change a node', () =>
+    expect(selectedNode(expectedState.initialState as State, actions.changeNodeIntent)).toEqual(
+      expectedState.nodeChangeIntent
+    ));
+});
+
+export { actions as selectedNodeActions, expectedState as selectedNodeExpectedState };
diff --git a/spec/reducers/config/nodes/staticNodes.spec.ts b/spec/reducers/config/nodes/staticNodes.spec.ts
new file mode 100644
index 00000000..3454b4f1
--- /dev/null
+++ b/spec/reducers/config/nodes/staticNodes.spec.ts
@@ -0,0 +1,116 @@
+import { web3SetNode, web3UnsetNode } from 'actions/config';
+import { staticNodes, INITIAL_STATE } from 'reducers/config/nodes/staticNodes';
+import { EtherscanNode, InfuraNode, RPCNode } from 'libs/nodes';
+import { Web3NodeConfig } from 'types/node';
+import { Web3Service } from 'libs/nodes/web3';
+
+const expectedInitialState = {
+  eth_mycrypto: {
+    network: 'ETH',
+    isCustom: false,
+    lib: new RPCNode('https://api.mycryptoapi.com/eth'),
+    service: 'MyCrypto',
+    estimateGas: true
+  },
+  eth_ethscan: {
+    network: 'ETH',
+    isCustom: false,
+    service: 'Etherscan.io',
+    lib: new EtherscanNode('https://api.etherscan.io/api'),
+    estimateGas: false
+  },
+  eth_infura: {
+    network: 'ETH',
+    isCustom: false,
+    service: 'infura.io',
+    lib: new InfuraNode('https://mainnet.infura.io/mew'),
+    estimateGas: false
+  },
+  rop_infura: {
+    network: 'Ropsten',
+    isCustom: false,
+    service: 'infura.io',
+    lib: new InfuraNode('https://ropsten.infura.io/mew'),
+    estimateGas: false
+  },
+  kov_ethscan: {
+    network: 'Kovan',
+    isCustom: false,
+    service: 'Etherscan.io',
+    lib: new EtherscanNode('https://kovan.etherscan.io/api'),
+    estimateGas: false
+  },
+  rin_ethscan: {
+    network: 'Rinkeby',
+    isCustom: false,
+    service: 'Etherscan.io',
+    lib: new EtherscanNode('https://rinkeby.etherscan.io/api'),
+    estimateGas: false
+  },
+  rin_infura: {
+    network: 'Rinkeby',
+    isCustom: false,
+    service: 'infura.io',
+    lib: new InfuraNode('https://rinkeby.infura.io/mew'),
+    estimateGas: false
+  },
+  etc_epool: {
+    network: 'ETC',
+    isCustom: false,
+    service: 'Epool.io',
+    lib: new RPCNode('https://mewapi.epool.io'),
+    estimateGas: false
+  },
+  ubq: {
+    network: 'UBQ',
+    isCustom: false,
+    service: 'ubiqscan.io',
+    lib: new RPCNode('https://pyrus2.ubiqscan.io'),
+    estimateGas: true
+  },
+  exp_tech: {
+    network: 'EXP',
+    isCustom: false,
+    service: 'Expanse.tech',
+    lib: new RPCNode('https://node.expanse.tech/'),
+    estimateGas: true
+  }
+};
+
+const web3Id = 'web3';
+const web3Node: Web3NodeConfig = {
+  isCustom: false,
+  network: 'ETH',
+  service: Web3Service,
+  lib: jest.fn() as any,
+  estimateGas: false,
+  hidden: true
+};
+
+const expectedState = {
+  initialState: expectedInitialState,
+  setWeb3: { ...INITIAL_STATE, [web3Id]: web3Node },
+  unsetWeb3: { ...INITIAL_STATE }
+};
+
+const actions = {
+  web3SetNode: web3SetNode({ id: web3Id, config: web3Node }),
+  web3UnsetNode: web3UnsetNode()
+};
+
+describe('static nodes reducer', () => {
+  it('should return the inital state', () =>
+    // turn the JSON into a string because we're storing function in the state
+    expect(JSON.stringify(staticNodes(undefined, {} as any))).toEqual(
+      JSON.stringify(expectedState.initialState)
+    ));
+  it('should handle setting the web3 node', () =>
+    expect(staticNodes(INITIAL_STATE, actions.web3SetNode)).toEqual(expectedState.setWeb3));
+
+  it('should handle unsetting the web3 node', () =>
+    expect(staticNodes(expectedState.setWeb3, actions.web3UnsetNode)).toEqual(
+      expectedState.unsetWeb3
+    ));
+});
+
+export { actions as staticNodesActions, expectedState as staticNodesExpectedState };
diff --git a/spec/reducers/customTokens.spec.ts b/spec/reducers/customTokens.spec.ts
index a52df732..8b28c5af 100644
--- a/spec/reducers/customTokens.spec.ts
+++ b/spec/reducers/customTokens.spec.ts
@@ -1,6 +1,6 @@
 import { customTokens } from 'reducers/customTokens';
-import { Token } from 'config';
 import * as customTokensActions from 'actions/customTokens';
+import { Token } from 'types/network';
 
 describe('customTokens reducer', () => {
   const token1: Token = {
diff --git a/spec/sagas/__snapshots__/wallet.spec.tsx.snap b/spec/sagas/__snapshots__/wallet.spec.tsx.snap
index bcdea4eb..1cebb6d4 100644
--- a/spec/sagas/__snapshots__/wallet.spec.tsx.snap
+++ b/spec/sagas/__snapshots__/wallet.spec.tsx.snap
@@ -172,7 +172,7 @@ Object {
     "action": Object {
       "payload": Web3Wallet {
         "address": "0xe2EdC95134bbD88443bc6D55b809F7d0C2f0C854",
-        "network": "ETH",
+        "network": undefined,
       },
       "type": "WALLET_SET",
     },
diff --git a/spec/sagas/deterministicWallets.spec.ts b/spec/sagas/deterministicWallets.spec.ts
index 630815fe..f05cf444 100644
--- a/spec/sagas/deterministicWallets.spec.ts
+++ b/spec/sagas/deterministicWallets.spec.ts
@@ -7,13 +7,13 @@ import { getDesiredToken, getWallets } from 'selectors/deterministicWallets';
 import { getTokens } from 'selectors/wallet';
 import { getNodeLib } from 'selectors/config';
 import * as dWalletActions from 'actions/deterministicWallets';
-import { Token } from 'config';
 import {
   getDeterministicWallets,
   updateWalletValues,
   updateWalletTokenValues
 } from 'sagas/deterministicWallets';
 import { TokenValue, Wei } from 'libs/units';
+import { Token } from 'types/network';
 
 // init module
 configuredStore.getState();
diff --git a/spec/sagas/wallet.spec.tsx b/spec/sagas/wallet.spec.tsx
index fc97297e..db8ecd44 100644
--- a/spec/sagas/wallet.spec.tsx
+++ b/spec/sagas/wallet.spec.tsx
@@ -14,9 +14,8 @@ import {
 import { Wei } from 'libs/units';
 import { changeNodeIntent, web3UnsetNode } from 'actions/config';
 import { INode } from 'libs/nodes/INode';
-import { initWeb3Node, Token } from 'config';
 import { apply, call, fork, put, select, take, cancel } from 'redux-saga/effects';
-import { getNodeLib, getOffline } from 'selectors/config';
+import { getNodeLib, getOffline, getWeb3Node } from 'selectors/config';
 import { getWalletInst, getWalletConfigTokens } from 'selectors/wallet';
 import {
   updateAccountBalance,
@@ -37,6 +36,8 @@ import { cloneableGenerator, createMockTask } from 'redux-saga/utils';
 import { showNotification } from 'actions/notifications';
 import translate from 'translations';
 import { IFullWallet, IV3Wallet, fromV3 } from 'ethereumjs-wallet';
+import { Token } from 'types/network';
+import { initWeb3Node } from 'sagas/config/web3';
 
 // init module
 configuredStore.getState();
@@ -339,13 +340,13 @@ describe('unlockWeb3*', () => {
     expect(JSON.stringify(expected)).toEqual(JSON.stringify(result));
   });
 
-  it('should select getNodeLib', () => {
-    expect(data.gen.next().value).toEqual(select(getNodeLib));
+  it('should select getWeb3Node', () => {
+    expect(data.gen.next().value).toEqual(select(getWeb3Node));
   });
 
   it('should throw & catch if node is not web3 node', () => {
     data.clone = data.gen.clone();
-    expect(data.clone.next().value).toEqual(put(web3UnsetNode()));
+    expect(data.clone.next(nodeLib).value).toEqual(put(web3UnsetNode()));
     expect(data.clone.next().value).toEqual(
       put(showNotification('danger', translate('Cannot use Web3 wallet without a Web3 node.')))
     );
@@ -353,7 +354,7 @@ describe('unlockWeb3*', () => {
   });
 
   it('should apply nodeLib.getAccounts', () => {
-    expect(data.gen.next(nodeLib).value).toEqual(apply(nodeLib, nodeLib.getAccounts));
+    expect(data.gen.next({ lib: nodeLib }).value).toEqual(apply(nodeLib, nodeLib.getAccounts));
   });
 
   it('should throw & catch if no accounts found', () => {
diff --git a/spec/utils/node.spec.ts b/spec/utils/node.spec.ts
deleted file mode 100644
index 48dbe0b7..00000000
--- a/spec/utils/node.spec.ts
+++ /dev/null
@@ -1,38 +0,0 @@
-import {
-  makeCustomNodeId,
-  getCustomNodeConfigFromId,
-  getNodeConfigFromId,
-  makeNodeConfigFromCustomConfig
-} from 'utils/node';
-
-const custNode = {
-  name: 'Test Config',
-  url: 'https://somecustomconfig.org/',
-  port: 443,
-  network: 'ETH'
-};
-const custNodeId = 'https://somecustomconfig.org/:443';
-
-describe('makeCustomNodeId', () => {
-  it('should construct an ID from url:port', () => {
-    expect(makeCustomNodeId(custNode) === custNodeId).toBeTruthy();
-  });
-});
-
-describe('getCustomNodeConfigFromId', () => {
-  it('should fetch the correct config, given its ID', () => {
-    expect(getCustomNodeConfigFromId(custNodeId, [custNode])).toBeTruthy();
-  });
-});
-
-describe('getNodeConfigFromId', () => {
-  it('should fetch the correct config, given its ID', () => {
-    expect(getNodeConfigFromId(custNodeId, [custNode])).toBeTruthy();
-  });
-});
-
-describe('makeNodeConfigFromCustomConfig', () => {
-  it('Should create a node config from a custom config', () => {
-    expect(makeNodeConfigFromCustomConfig(custNode)).toBeTruthy();
-  });
-});
diff --git a/tsconfig.json b/tsconfig.json
index 0547c07f..1af567ef 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -9,12 +9,10 @@
     "allowJs": true,
     "baseUrl": "./common/",
     "paths": {
-      "shared*": ["../shared*"]
+      "shared*": ["../shared*"],
+      "types*": ["../shared/types*"]
     },
-    "lib": [
-      "es2017",
-      "dom"
-    ],
+    "lib": ["es2017", "dom"],
     "allowSyntheticDefaultImports": true,
     "moduleResolution": "node",
     "noEmitOnError": false,
@@ -24,6 +22,7 @@
   "include": [
     "./common/",
     "./electron-app/",
+    "./shared/",
     "spec",
     "./node_modules/types-rlp/index.d.ts"
   ],