diff --git a/explorer/package-lock.json b/explorer/package-lock.json
index b100ba9e35..7b971da91c 100644
--- a/explorer/package-lock.json
+++ b/explorer/package-lock.json
@@ -1269,9 +1269,8 @@
       "integrity": "sha512-DetpxZw1fzPD5xUBrIAoplLChO2VB8DlL5Gg+I1IR9b2wPqYIca2WSUxL5g1vLeR4MsQq1NeWriXAVffV+U1Fw=="
     },
     "@solana/web3.js": {
-      "version": "0.43.0",
-      "resolved": "https://registry.npmjs.org/@solana/web3.js/-/web3.js-0.43.0.tgz",
-      "integrity": "sha512-Zf+UfoAuXdn8WwvYSVb8k4hQ484L2ZK6eXlW5EN048273Nks0+Sf44QrUpq2AhYVm6KAT7siyB8Nhgo0jQAG6A==",
+      "version": "github:jstarry/solana-web3.js#c7d8fe33877a9eae354b456e019ad5044c25eeb7",
+      "from": "github:jstarry/solana-web3.js#address-history",
       "requires": {
         "@babel/runtime": "^7.3.1",
         "bn.js": "^5.0.0",
@@ -1296,9 +1295,9 @@
           "integrity": "sha512-IUTD/REb78Z2eodka1QZyyEk66pciRcP6Sroka0aI3tG/iwIdYLrBD62RsubR7vqdt3WyX8p4jxeatzmRSphtA=="
         },
         "buffer": {
-          "version": "5.5.0",
-          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.5.0.tgz",
-          "integrity": "sha512-9FTEDjLjwoAkEwyMGDjYJQN2gfRgOKBKRfiglhvibGbpeeU/pQn1bJxQqm32OD/AIeEuHxU9roxXxg34Byp/Ww==",
+          "version": "5.6.0",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.6.0.tgz",
+          "integrity": "sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==",
           "requires": {
             "base64-js": "^1.0.2",
             "ieee754": "^1.1.4"
@@ -1627,9 +1626,9 @@
       "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g=="
     },
     "@types/express-serve-static-core": {
-      "version": "4.17.3",
-      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.3.tgz",
-      "integrity": "sha512-sHEsvEzjqN+zLbqP+8OXTipc10yH1QLR+hnr5uw29gi9AhCAAAdri8ClNV7iMdrJrIzXIQtlkPvq8tJGhj3QJQ==",
+      "version": "4.17.5",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.17.5.tgz",
+      "integrity": "sha512-578YH5Lt88AKoADy0b2jQGwJtrBxezXtVe/MBqWXKZpqx91SnC0pVkVCcxcytz3lWW+cHBYDi3Ysh0WXc+rAYw==",
       "requires": {
         "@types/node": "*",
         "@types/range-parser": "*"
@@ -1686,9 +1685,9 @@
       "integrity": "sha512-8+KAKzEvSUdeo+kmqnKrqgeE+LcA0tjYWFY7RPProVYwnqDjukzO+3b6dLD56rYX5TdWejnEOLJYOIeh4CXKuA=="
     },
     "@types/lodash": {
-      "version": "4.14.149",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.149.tgz",
-      "integrity": "sha512-ijGqzZt/b7BfzcK9vTrS6MFljQRPn5BFWOx8oE0GYxribu6uV+aA9zZuXI1zc/etK9E8nrgdoF2+LgUw7+9tJQ=="
+      "version": "4.14.150",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.150.tgz",
+      "integrity": "sha512-kMNLM5JBcasgYscD9x/Gvr6lTAv2NVgsKtet/hm93qMyf/D1pt+7jeEZklKJKxMVmXjxbRVQQGfqDSfipYCO6w=="
     },
     "@types/minimatch": {
       "version": "3.0.3",
@@ -7205,9 +7204,9 @@
       }
     },
     "jayson": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/jayson/-/jayson-3.2.0.tgz",
-      "integrity": "sha512-DZQnwA57GcStw4soSYB2VntWXFfoWvmSarlaWePDYOWhjxT72PBM4atEBomaTaS1uqk3jFC9UO9AyWjlujo3xw==",
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/jayson/-/jayson-3.2.1.tgz",
+      "integrity": "sha512-8YfxxjQdcSVMr0/+7B1+aGUFAI+yQYfTWBOI+rq+PBu35HL7nJ3wayC2fTXeUJZqad/I4UoDwMtBTNVWJ9rzlg==",
       "requires": {
         "@types/connect": "^3.4.32",
         "@types/express-serve-static-core": "^4.16.9",
diff --git a/explorer/package.json b/explorer/package.json
index 776eca134a..d23d5aeef1 100644
--- a/explorer/package.json
+++ b/explorer/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "@solana/web3.js": "^0.43.0",
+    "@solana/web3.js": "github:jstarry/solana-web3.js#address-history",
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",
diff --git a/explorer/src/App.tsx b/explorer/src/App.tsx
index 4135728beb..df3daba384 100644
--- a/explorer/src/App.tsx
+++ b/explorer/src/App.tsx
@@ -8,13 +8,19 @@ import {
   useTransactions,
   ActionType
 } from "./providers/transactions";
-import { AccountsProvider } from "./providers/accounts";
+import {
+  AccountsProvider,
+  useSelectedAccount,
+  useAccountsDispatch,
+  ActionType as AccountActionType
+} from "./providers/accounts";
 import { BlocksProvider } from "./providers/blocks";
 import ClusterStatusButton from "./components/ClusterStatusButton";
 import AccountsCard from "./components/AccountsCard";
 import TransactionsCard from "./components/TransactionsCard";
 import ClusterModal from "./components/ClusterModal";
 import TransactionModal from "./components/TransactionModal";
+import AccountModal from "./components/AccountModal";
 import Logo from "./img/logos-solana/light-explorer-logo.svg";
 import { useCurrentTab, Tab } from "./providers/tab";
 
@@ -31,6 +37,7 @@ function App() {
               onClose={() => setShowClusterModal(false)}
             />
             <TransactionModal />
+            <AccountModal />
             <div className="main-content">
               <nav className="navbar navbar-expand-xl navbar-light">
                 <div className="container">
@@ -120,15 +127,18 @@ type OverlayProps = {
 
 function Overlay({ show, onClick }: OverlayProps) {
   const { selected } = useTransactions();
-  const dispatch = useTransactionsDispatch();
+  const selectedAccount = useSelectedAccount();
+  const txDispatch = useTransactionsDispatch();
+  const accountDispatch = useAccountsDispatch();
 
-  if (show || !!selected)
+  if (show || !!selected || !!selectedAccount)
     return (
       <div
         className="modal-backdrop fade show"
         onClick={() => {
           onClick();
-          dispatch({ type: ActionType.Deselect });
+          txDispatch({ type: ActionType.Deselect });
+          accountDispatch({ type: AccountActionType.Select });
         }}
       ></div>
     );
diff --git a/explorer/src/components/AccountModal.tsx b/explorer/src/components/AccountModal.tsx
new file mode 100644
index 0000000000..0608e8db23
--- /dev/null
+++ b/explorer/src/components/AccountModal.tsx
@@ -0,0 +1,147 @@
+import React from "react";
+import {
+  useSelectedAccount,
+  useAccountsDispatch,
+  ActionType,
+  Account,
+  Status
+} from "../providers/accounts";
+import { TransactionError } from "@solana/web3.js";
+
+function AccountModal() {
+  const selected = useSelectedAccount();
+  const dispatch = useAccountsDispatch();
+  const onClose = () => dispatch({ type: ActionType.Select });
+  const show = !!selected;
+
+  const renderContent = () => {
+    if (!selected) return null;
+    return (
+      <div className="modal-dialog modal-dialog-centered">
+        <div className="modal-content" onClick={e => e.stopPropagation()}>
+          <div className="modal-card card">
+            <div className="card-header">
+              <h4 className="card-header-title">Account Transaction History</h4>
+              <button type="button" className="close" onClick={onClose}>
+                <span aria-hidden="true">&times;</span>
+              </button>
+            </div>
+            <div className="card-body">
+              <AccountDetails account={selected} />
+            </div>
+          </div>
+        </div>
+      </div>
+    );
+  };
+
+  return (
+    <div className={`modal fade${show ? " show" : ""}`} onClick={onClose}>
+      {renderContent()}
+    </div>
+  );
+}
+
+function AccountDetails({ account }: { account: Account }) {
+  const renderError = (content: React.ReactNode) => {
+    return <span className="text-info">{content}</span>;
+  };
+
+  if (account.status === Status.FetchingHistory) {
+    return renderError(
+      <>
+        <span className="spinner-grow spinner-grow-sm mr-2"></span>
+        Loading
+      </>
+    );
+  }
+
+  if (account.history === undefined)
+    return renderError("Failed to fetch account transaction history");
+
+  if (account.history.size === 0) return renderError("No transactions found");
+
+  const detailsList: React.ReactNode[] = [];
+  account.history.forEach((slotTransactions, slot) => {
+    detailsList.push(
+      <SlotTransactionDetails
+        slot={slot}
+        statuses={Array.from(slotTransactions.entries())}
+      />
+    );
+  });
+
+  return (
+    <>
+      {detailsList.map((details, i) => {
+        return (
+          <React.Fragment key={++i}>
+            {i > 1 ? <hr className="mt-0 mx-n4 mb-4"></hr> : null}
+            {details}
+          </React.Fragment>
+        );
+      })}
+    </>
+  );
+}
+
+function SlotTransactionDetails({
+  slot,
+  statuses
+}: {
+  slot: number;
+  statuses: [string, TransactionError | null][];
+}) {
+  return (
+    <>
+      <h4 className="slot-pill">Slot #{slot}</h4>
+      <div className="list-group list-group-flush">
+        {statuses.map(([signature, err]) => {
+          return (
+            <ListGroupItem
+              key={signature}
+              signature={signature}
+              failed={err !== null}
+            />
+          );
+        })}
+      </div>
+    </>
+  );
+}
+
+function ListGroupItem({
+  signature,
+  failed
+}: {
+  signature: string;
+  failed: boolean;
+}) {
+  let badgeText, badgeColor;
+  if (failed) {
+    badgeText = "Error";
+    badgeColor = "danger";
+  } else {
+    badgeText = "Success";
+    badgeColor = "primary";
+  }
+
+  return (
+    <div className="list-group-item slot-item">
+      <div className="row align-items-center justify-content-between flex-nowrap">
+        <div className="col-auto">
+          <span className={`badge badge-soft-${badgeColor} badge-pill`}>
+            {badgeText}
+          </span>
+        </div>
+        <div className="col min-width-0">
+          <h5 className="mb-0 text-truncate">
+            <code>{signature}</code>
+          </h5>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export default AccountModal;
diff --git a/explorer/src/components/AccountsCard.tsx b/explorer/src/components/AccountsCard.tsx
index d233e42ce7..7427d9f4e4 100644
--- a/explorer/src/components/AccountsCard.tsx
+++ b/explorer/src/components/AccountsCard.tsx
@@ -2,6 +2,7 @@ import React from "react";
 import {
   useAccounts,
   useAccountsDispatch,
+  Dispatch,
   fetchAccountInfo,
   ActionType,
   Account,
@@ -55,6 +56,7 @@ function AccountsCard() {
               <th className="text-muted">Balance (SOL)</th>
               <th className="text-muted">Data (bytes)</th>
               <th className="text-muted">Owner</th>
+              <th className="text-muted">Details</th>
             </tr>
           </thead>
           <tbody className="list">
@@ -86,8 +88,9 @@ function AccountsCard() {
               <td>-</td>
               <td>-</td>
               <td>-</td>
+              <td></td>
             </tr>
-            {accounts.map(account => renderAccountRow(account))}
+            {accounts.map(account => renderAccountRow(account, dispatch, url))}
           </tbody>
         </table>
       </div>
@@ -107,7 +110,11 @@ const renderHeader = () => {
   );
 };
 
-const renderAccountRow = (account: Account) => {
+const renderAccountRow = (
+  account: Account,
+  dispatch: Dispatch,
+  url: string
+) => {
   let statusText;
   let statusClass;
   switch (account.status) {
@@ -116,10 +123,12 @@ const renderAccountRow = (account: Account) => {
       statusText = "Not Found";
       break;
     case Status.CheckFailed:
+    case Status.HistoryFailed:
       statusClass = "danger";
       statusText = "Error";
       break;
     case Status.Checking:
+    case Status.FetchingHistory:
       statusClass = "info";
       statusText = "Fetching";
       break;
@@ -148,6 +157,42 @@ const renderAccountRow = (account: Account) => {
     balance = `◎${(1.0 * account.lamports) / LAMPORTS_PER_SOL}`;
   }
 
+  const renderDetails = () => {
+    let onClick, icon;
+    switch (account.status) {
+      case Status.Success:
+        icon = "more-horizontal";
+        onClick = () =>
+          dispatch({
+            type: ActionType.Select,
+            address: account.pubkey.toBase58()
+          });
+        break;
+
+      case Status.CheckFailed:
+      case Status.HistoryFailed: {
+        icon = "refresh-cw";
+        onClick = () => {
+          fetchAccountInfo(dispatch, account.pubkey.toBase58(), url);
+        };
+        break;
+      }
+
+      default: {
+        return null;
+      }
+    }
+
+    return (
+      <button
+        className="btn btn-rounded-circle btn-white btn-sm"
+        onClick={onClick}
+      >
+        <span className={`fe fe-${icon}`}></span>
+      </button>
+    );
+  };
+
   const base58AccountPubkey = account.pubkey.toBase58();
   return (
     <tr key={account.id}>
@@ -165,6 +210,7 @@ const renderAccountRow = (account: Account) => {
       <td>{balance}</td>
       <td>{data}</td>
       <td>{owner === "-" ? owner : <code>{owner}</code>}</td>
+      <td>{renderDetails()}</td>
     </tr>
   );
 };
diff --git a/explorer/src/providers/accounts.tsx b/explorer/src/providers/accounts.tsx
index c070890ee7..e8f2fb0342 100644
--- a/explorer/src/providers/accounts.tsx
+++ b/explorer/src/providers/accounts.tsx
@@ -1,15 +1,28 @@
 import React from "react";
-import { PublicKey, Connection } from "@solana/web3.js";
+import {
+  PublicKey,
+  Connection,
+  TransactionSignature,
+  TransactionError,
+  SignatureStatus
+} from "@solana/web3.js";
 import { findGetParameter, findPathSegment } from "../utils/url";
 import { useCluster, ClusterStatus } from "./cluster";
 
 export enum Status {
   Checking,
   CheckFailed,
+  FetchingHistory,
+  HistoryFailed,
   NotFound,
   Success
 }
 
+export type History = Map<
+  number,
+  Map<TransactionSignature, TransactionError | null>
+>;
+
 enum Source {
   Url,
   Input
@@ -23,30 +36,36 @@ export interface Details {
 
 export interface Account {
   id: number;
-  status: Status;
-  source: Source;
   pubkey: PublicKey;
+  source: Source;
+  status: Status;
   lamports?: number;
   details?: Details;
+  history?: History;
 }
 
 type Accounts = { [address: string]: Account };
 interface State {
   idCounter: number;
   accounts: Accounts;
+  selected?: string;
 }
 
 export enum ActionType {
   Update,
-  Input
+  Input,
+  Select
 }
 
 interface Update {
   type: ActionType.Update;
   address: string;
-  status: Status;
-  lamports?: number;
-  details?: Details;
+  data: {
+    status: Status;
+    lamports?: number;
+    details?: Details;
+    history?: History;
+  };
 }
 
 interface Input {
@@ -54,7 +73,12 @@ interface Input {
   pubkey: PublicKey;
 }
 
-type Action = Update | Input;
+interface Select {
+  type: ActionType.Select;
+  address?: string;
+}
+
+type Action = Update | Input | Select;
 export type Dispatch = (action: Action) => void;
 
 function reducer(state: State, action: Action): State {
@@ -74,14 +98,17 @@ function reducer(state: State, action: Action): State {
       };
       return { ...state, accounts, idCounter };
     }
+
+    case ActionType.Select: {
+      return { ...state, selected: action.address };
+    }
+
     case ActionType.Update: {
       let account = state.accounts[action.address];
       if (account) {
         account = {
           ...account,
-          status: action.status,
-          details: action.details,
-          lamports: action.lamports
+          ...action.data
         };
         const accounts = {
           ...state.accounts,
@@ -167,8 +194,10 @@ export async function fetchAccountInfo(
 ) {
   dispatch({
     type: ActionType.Update,
-    status: Status.Checking,
-    address
+    address,
+    data: {
+      status: Status.Checking
+    }
   });
 
   let status;
@@ -188,13 +217,60 @@ export async function fetchAccountInfo(
         executable: result.executable,
         owner: result.owner
       };
-      status = Status.Success;
+      status = Status.FetchingHistory;
+      fetchAccountHistory(dispatch, address, url);
     }
   } catch (error) {
     console.error("Failed to fetch account info", error);
     status = Status.CheckFailed;
   }
-  dispatch({ type: ActionType.Update, status, lamports, details, address });
+  const data = { status, lamports, details };
+  dispatch({ type: ActionType.Update, data, address });
+}
+
+async function fetchAccountHistory(
+  dispatch: Dispatch,
+  address: string,
+  url: string
+) {
+  let history;
+  let status;
+  try {
+    const connection = new Connection(url);
+    const currentSlot = await connection.getSlot();
+    const signatures = await connection.getConfirmedSignaturesForAddress(
+      new PublicKey(address),
+      Math.max(0, currentSlot - 10000 + 1),
+      currentSlot
+    );
+
+    let statuses: (SignatureStatus | null)[] = [];
+    if (signatures.length > 0) {
+      statuses = (
+        await connection.getSignatureStatuses(signatures, {
+          searchTransactionHistory: true
+        })
+      ).value;
+    }
+
+    history = new Map();
+    for (let i = 0; i < statuses.length; i++) {
+      const status = statuses[i];
+      if (!status) continue;
+      let slotSignatures = history.get(status.slot);
+      if (!slotSignatures) {
+        slotSignatures = new Map();
+        history.set(status.slot, slotSignatures);
+      }
+      slotSignatures.set(signatures[i], status.err);
+    }
+    status = Status.Success;
+  } catch (error) {
+    console.error("Failed to fetch account history", error);
+    status = Status.HistoryFailed;
+  }
+  const data = { status, history };
+  dispatch({ type: ActionType.Update, data, address });
 }
 
 export function useAccounts() {
@@ -210,6 +286,18 @@ export function useAccounts() {
   };
 }
 
+export function useSelectedAccount() {
+  const context = React.useContext(StateContext);
+  if (!context) {
+    throw new Error(
+      `useSelectedAccount must be used within a AccountsProvider`
+    );
+  }
+
+  if (!context.selected) return undefined;
+  return context.accounts[context.selected];
+}
+
 export function useAccountsDispatch() {
   const context = React.useContext(DispatchContext);
   if (!context) {
diff --git a/explorer/src/scss/_solana.scss b/explorer/src/scss/_solana.scss
index 033a136fa0..ac34b49f73 100644
--- a/explorer/src/scss/_solana.scss
+++ b/explorer/src/scss/_solana.scss
@@ -65,6 +65,33 @@ h4.ix-pill {
   background-color: theme-color-level(info, $badge-soft-bg-level);
 }
 
-.list-group-flush .list-group-item.ix-item:first-child {
-  border-top-width: 1px;
-}
\ No newline at end of file
+h4.slot-pill {
+  display: inline-block;
+  padding: 5px;
+  border-radius: $border-radius;
+  margin-left: -5px;
+  background-color: theme-color-level(primary, $badge-soft-bg-level);
+  margin-bottom: 1.5rem;
+}
+
+.list-group-item:last-child {
+  &.ix-item, &.slot-item {
+    border-bottom-width: 0px;
+  }
+}
+
+.list-group:last-child .list-group-item:last-child {
+  &.ix-item, &.slot-item {
+    border-bottom-width: 1px;
+  }
+}
+
+.list-group-item:first-child {
+  &.ix-item, &.slot-item {
+    border-top-width: 1px;
+  }
+}
+
+.min-width-0 {
+  min-width: 0;
+}