diff --git a/src/components/BallotCard/index.js b/src/components/BallotCard/index.js
index b608b70..144b16c 100644
--- a/src/components/BallotCard/index.js
+++ b/src/components/BallotCard/index.js
@@ -60,6 +60,7 @@ export class BallotCard extends React.Component {
   @observable memo
   @observable quorumState
   @observable minBallotDuration
+  @observable minThreshold
 
   @computed
   get cancelOrFinalizeButtonDisplayName() {
@@ -303,6 +304,9 @@ export class BallotCard extends React.Component {
       this.getHasAlreadyVoted()
     }
 
+    // minThreshold
+    this.getMinThreshold()
+
     if (votingType === 'votingToManageEmissionFunds') {
       this.getQuorumState()
     }
@@ -318,6 +322,12 @@ export class BallotCard extends React.Component {
     return formattedMs
   }
 
+  @action('ballot min threshold of voters')
+  getMinThreshold = async () => {
+    const { contractsStore, id, votingType } = this.props
+    this.minThreshold = await this.getContract(contractsStore, votingType).getMinThresholdOfVoters(id)
+  }
+
   @action('validator has already voted')
   getHasAlreadyVoted = async () => {
     const { contractsStore, id, votingType } = this.props
@@ -647,21 +657,6 @@ export class BallotCard extends React.Component {
     }
   }
 
-  getThreshold(contractsStore, votingType) {
-    switch (votingType) {
-      case 'votingToChangeKeys':
-        return contractsStore.keysBallotThreshold
-      case 'votingToChangeMinThreshold':
-        return contractsStore.minThresholdBallotThreshold
-      case 'votingToChangeProxy':
-        return contractsStore.proxyBallotThreshold
-      case 'votingToManageEmissionFunds':
-        return contractsStore.emissionFundsBallotThreshold
-      default:
-        return contractsStore.keysBallotThreshold
-    }
-  }
-
   getMinBallotDuration(contractsStore, votingType) {
     switch (votingType) {
       case 'votingToChangeKeys':
@@ -719,10 +714,9 @@ export class BallotCard extends React.Component {
   }
 
   render() {
-    let { contractsStore, votingType, children } = this.props
+    let { votingType, children } = this.props
     let votes
 
-    const threshold = this.getThreshold(contractsStore, votingType)
     const networkBranch = this.getVotingNetworkBranch()
 
     if (votingType === 'votingToManageEmissionFunds') {
@@ -781,12 +775,7 @@ export class BallotCard extends React.Component {
           />
         </div>
         <Votes networkBranch={networkBranch} votes={votes} />
-        <BallotInfoContainer
-          memo={this.memo}
-          networkBranch={networkBranch}
-          threshold={threshold}
-          validatorsLength={contractsStore.validatorsLength}
-        />
+        <BallotInfoContainer memo={this.memo} networkBranch={networkBranch} threshold={this.minThreshold} />
         <BallotFooter
           buttonState={this.cancelOrFinalizeButtonState}
           buttonText={this.cancelOrFinalizeButtonDisplayName}
diff --git a/src/components/BallotInfoContainer/index.js b/src/components/BallotInfoContainer/index.js
index e4ab6c2..61ef7c5 100644
--- a/src/components/BallotInfoContainer/index.js
+++ b/src/components/BallotInfoContainer/index.js
@@ -18,7 +18,7 @@ export class BallotInfoContainer extends React.Component {
   }
 
   render() {
-    let { memo = '', threshold, validatorsLength, networkBranch } = this.props
+    let { memo = '', threshold, networkBranch } = this.props
     let toggleShowMore =
       memo.length > MAX_DETAILS_LENGTH ? (
         <span
@@ -34,7 +34,7 @@ export class BallotInfoContainer extends React.Component {
     return (
       <div className="bc-BallotInfoContainer">
         <div className="bc-BallotInfoContainer_Info bc-BallotInfoContainer_Info-minimum">
-          Minimum {threshold} from {validatorsLength} validators are required to pass the proposal
+          Minimum {threshold} validators are required to pass the proposal
         </div>
         <div
           className={`bc-BallotInfoContainer_Info bc-BallotInfoContainer_Info-details ${
diff --git a/src/contracts/VotingToChangeKeys.contract.js b/src/contracts/VotingToChangeKeys.contract.js
index b0b6137..be61d85 100644
--- a/src/contracts/VotingToChangeKeys.contract.js
+++ b/src/contracts/VotingToChangeKeys.contract.js
@@ -62,6 +62,10 @@ export default class VotingToChangeKeys {
     return this.instance.methods.votingState(_id).call()
   }
 
+  getMinThresholdOfVoters(_id) {
+    return this.instance.methods.getMinThresholdOfVoters(_id).call()
+  }
+
   hasAlreadyVoted(_id, votingKey) {
     return this.instance.methods.hasAlreadyVoted(_id, votingKey).call()
   }
diff --git a/src/contracts/VotingToChangeMinThreshold.contract.js b/src/contracts/VotingToChangeMinThreshold.contract.js
index a08ad2f..827d903 100644
--- a/src/contracts/VotingToChangeMinThreshold.contract.js
+++ b/src/contracts/VotingToChangeMinThreshold.contract.js
@@ -54,6 +54,10 @@ export default class VotingToChangeMinThreshold {
     return this.instance.methods.votingState(_id).call()
   }
 
+  getMinThresholdOfVoters(_id) {
+    return this.instance.methods.getMinThresholdOfVoters(_id).call()
+  }
+
   hasAlreadyVoted(_id, votingKey) {
     return this.instance.methods.hasAlreadyVoted(_id, votingKey).call()
   }
diff --git a/src/contracts/VotingToChangeProxy.contract.js b/src/contracts/VotingToChangeProxy.contract.js
index 2fce9ef..b207ad0 100644
--- a/src/contracts/VotingToChangeProxy.contract.js
+++ b/src/contracts/VotingToChangeProxy.contract.js
@@ -50,6 +50,10 @@ export default class VotingToChangeProxy {
     return this.instance.methods.votingState(_id).call()
   }
 
+  getMinThresholdOfVoters(_id) {
+    return this.instance.methods.getMinThresholdOfVoters(_id).call()
+  }
+
   hasAlreadyVoted(_id, votingKey) {
     return this.instance.methods.hasAlreadyVoted(_id, votingKey).call()
   }
diff --git a/src/contracts/VotingToManageEmissionFunds.contract.js b/src/contracts/VotingToManageEmissionFunds.contract.js
index c19cbe6..3179ec8 100644
--- a/src/contracts/VotingToManageEmissionFunds.contract.js
+++ b/src/contracts/VotingToManageEmissionFunds.contract.js
@@ -69,6 +69,10 @@ export default class VotingToManageEmissionFunds {
     return this.instance.methods.getBallotInfo(_id).call()
   }
 
+  getMinThresholdOfVoters(_id) {
+    return this.instance.methods.getMinThresholdOfVoters(_id).call()
+  }
+
   getQuorumState(_id) {
     return this.instance.methods.getQuorumState(_id).call()
   }
diff --git a/src/index.js b/src/index.js
index 1c0ab2b..138d278 100644
--- a/src/index.js
+++ b/src/index.js
@@ -37,7 +37,7 @@ class AppMainRouter extends Component {
   }
 
   initChain = () => {
-    const netId = window.localStorage.netId
+    const netId = window.sessionStorage.netId
     getWeb3(netId, contractsStore.updateKeys)
       .then(async web3Config => {
         await this.initialize(web3Config)
@@ -103,6 +103,7 @@ class AppMainRouter extends Component {
   onNetworkChange = e => {
     commonStore.showLoading(getNetworkBranch(e.value))
     window.localStorage.netId = e.value
+    window.sessionStorage.netId = e.value
     contractsStore.resetContracts()
     ballotsStore.reset()
     this.initChain()
diff --git a/src/utils/getWeb3.js b/src/utils/getWeb3.js
index 6816bfa..49c7dd6 100644
--- a/src/utils/getWeb3.js
+++ b/src/utils/getWeb3.js
@@ -22,9 +22,8 @@ export async function enableWallet(updateKeys) {
   }
 }
 
-export default async function getWeb3(netId = defaultNetId, updateKeys) {
+export default async function getWeb3(netId, updateKeys) {
   let web3 = null
-  netId = Number(netId)
 
   // Checking if Web3 has been injected by the browser (Mist/MetaMask)
   if (window.ethereum) {
@@ -36,6 +35,32 @@ export default async function getWeb3(netId = defaultNetId, updateKeys) {
     console.log('Injected web3 detected.')
   }
 
+  if (!netId) {
+    // Load for the first time in the current browser's session
+    if (web3) {
+      // MetaMask (or another plugin) is injected
+      netId = await web3.eth.net.getId()
+      if (!(netId in constants.NETWORKS)) {
+        // If plugin's netId is unsupported, try to use
+        // the previously chosen netId
+        netId = window.localStorage.netId
+      }
+    } else {
+      // MetaMask (or another plugin) is not injected,
+      // so try to use the previously chosen netId
+      netId = window.localStorage.netId
+    }
+    if (!(netId in constants.NETWORKS)) {
+      // If plugin's netId and/or previously chosen netId are not supported,
+      // fallback to default netId
+      netId = defaultNetId
+    }
+    window.localStorage.netId = netId
+    window.sessionStorage.netId = netId
+  }
+
+  netId = Number(netId)
+
   const network = constants.NETWORKS[netId]
   const injectedWeb3 = web3 !== null
   let netIdName = network.NAME
@@ -50,14 +75,16 @@ export default async function getWeb3(netId = defaultNetId, updateKeys) {
       console.error('Unlock your wallet')
     }
 
-    let currentAccount = defaultAccount ? defaultAccount.toLowerCase() : ''
-    web3.currentProvider.publicConfigStore.on('update', function(obj) {
-      const account = obj.selectedAddress
-      if (account && account !== currentAccount) {
-        currentAccount = account
-        updateKeys(account)
-      }
-    })
+    if (web3.currentProvider.publicConfigStore) {
+      let currentAccount = defaultAccount ? defaultAccount.toLowerCase() : ''
+      web3.currentProvider.publicConfigStore.on('update', function(obj) {
+        const account = obj.selectedAddress
+        if (account && account !== currentAccount) {
+          currentAccount = account
+          updateKeys(account)
+        }
+      })
+    }
 
     const web3NetId = await web3.eth.net.getId()
     if (web3NetId === netId) {