diff --git a/js/src/3rdparty/etherscan/account.js b/js/src/3rdparty/etherscan/account.js
index 52a08ef4b..27aefadb0 100644
--- a/js/src/3rdparty/etherscan/account.js
+++ b/js/src/3rdparty/etherscan/account.js
@@ -21,15 +21,15 @@ const PAGE_SIZE = 25;
 import util from '../../api/util';
 import { call } from './call';
 
-function _call (method, params, test) {
-  return call('account', method, params, test);
+function _call (method, params, test, netVersion) {
+  return call('account', method, params, test, netVersion);
 }
 
-function balance (address, test = false) {
+function balance (address, test, netVersion) {
   return _call('balance', {
     address: address,
     tag: 'latest'
-  }, test).then((balance) => {
+  }, test, netVersion).then((balance) => {
     // same format as balancemulti below
     return {
       account: address,
@@ -38,21 +38,21 @@ function balance (address, test = false) {
   });
 }
 
-function balances (addresses, test = false) {
+function balances (addresses, test, netVersion) {
   return _call('balancemulti', {
     address: addresses.join(','),
     tag: 'latest'
-  }, test);
+  }, test, netVersion);
 }
 
-function transactions (address, page, test = false) {
+function transactions (address, page, test, netVersion) {
   // page offset from 0
   return _call('txlist', {
     address: address,
     offset: PAGE_SIZE,
     page: (page || 0) + 1,
     sort: 'desc'
-  }, test).then((transactions) => {
+  }, test, netVersion).then((transactions) => {
     return transactions.map((tx) => {
       return {
         blockNumber: new BigNumber(tx.blockNumber || 0),
@@ -67,9 +67,9 @@ function transactions (address, page, test = false) {
 }
 
 const account = {
-  balance: balance,
-  balances: balances,
-  transactions: transactions
+  balance,
+  balances,
+  transactions
 };
 
 export { account };
diff --git a/js/src/3rdparty/etherscan/call.js b/js/src/3rdparty/etherscan/call.js
index 69c45a902..8f1a0ab73 100644
--- a/js/src/3rdparty/etherscan/call.js
+++ b/js/src/3rdparty/etherscan/call.js
@@ -23,14 +23,32 @@ const options = {
   }
 };
 
-export function call (module, action, _params, test) {
-  const host = test ? 'testnet.etherscan.io' : 'api.etherscan.io';
+export function call (module, action, _params, test, netVersion) {
+  let prefix = 'api.';
+
+  switch (netVersion) {
+    case '2':
+    case '3':
+      prefix = 'testnet.';
+      break;
+
+    case '42':
+      prefix = 'kovan.';
+      break;
+
+    case '0':
+    default:
+      if (test) {
+        prefix = 'testnet.';
+      }
+      break;
+  }
 
   const query = stringify(Object.assign({
     module, action
   }, _params || {}));
 
-  return fetch(`https://${host}/api?${query}`, options)
+  return fetch(`https://${prefix}etherscan.io/api?${query}`, options)
     .then((response) => {
       if (!response.ok) {
         throw { code: response.status, message: response.statusText }; // eslint-disable-line
diff --git a/js/src/3rdparty/etherscan/helpers.spec.js b/js/src/3rdparty/etherscan/helpers.spec.js
index 508a7b47a..e48f76250 100644
--- a/js/src/3rdparty/etherscan/helpers.spec.js
+++ b/js/src/3rdparty/etherscan/helpers.spec.js
@@ -19,8 +19,8 @@ import { stringify } from 'qs';
 
 import { url } from './links';
 
-function mockget (requests, test) {
-  let scope = nock(url(test));
+function mockget (requests, test, netVersion) {
+  let scope = nock(url(test, netVersion));
 
   requests.forEach((request) => {
     scope = scope
diff --git a/js/src/3rdparty/etherscan/links.js b/js/src/3rdparty/etherscan/links.js
index 158939356..a6b129ae5 100644
--- a/js/src/3rdparty/etherscan/links.js
+++ b/js/src/3rdparty/etherscan/links.js
@@ -14,14 +14,35 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-export const url = (isTestnet = false) => {
-  return `https://${isTestnet ? 'testnet.' : ''}etherscan.io`;
+// NOTE: Keep 'isTestnet' for backwards library compatibility
+export const url = (isTestnet = false, netVersion = '0') => {
+  let prefix = '';
+
+  switch (netVersion) {
+    case '2':
+    case '3':
+      prefix = 'testnet.';
+      break;
+
+    case '42':
+      prefix = 'kovan.';
+      break;
+
+    case '0':
+    default:
+      if (isTestnet) {
+        prefix = 'testnet.';
+      }
+      break;
+  }
+
+  return `https://${prefix}etherscan.io`;
 };
 
-export const txLink = (hash, isTestnet = false) => {
-  return `${url(isTestnet)}/tx/${hash}`;
+export const txLink = (hash, isTestnet = false, netVersion = '0') => {
+  return `${url(isTestnet, netVersion)}/tx/${hash}`;
 };
 
-export const addressLink = (address, isTestnet = false) => {
-  return `${url(isTestnet)}/address/${address}`;
+export const addressLink = (address, isTestnet = false, netVersion = '0') => {
+  return `${url(isTestnet, netVersion)}/address/${address}`;
 };
diff --git a/js/src/dapps/basiccoin/services.js b/js/src/dapps/basiccoin/services.js
index f3e83c482..721de200b 100644
--- a/js/src/dapps/basiccoin/services.js
+++ b/js/src/dapps/basiccoin/services.js
@@ -16,6 +16,7 @@
 
 import BigNumber from 'bignumber.js';
 
+import { url as etherscanUrl } from '~/3rdparty/etherscan/links';
 import * as abis from '~/contracts/abi';
 import { api } from './parity';
 
@@ -28,7 +29,7 @@ const subscriptions = {};
 
 let defaultSubscriptionId;
 let nextSubscriptionId = 1000;
-let isTest = false;
+let netVersion = '0';
 
 export function subscribeEvents (addresses, callback) {
   const subscriptionId = nextSubscriptionId++;
@@ -117,14 +118,15 @@ export function attachInstances () {
   return Promise
     .all([
       api.parity.registryAddress(),
-      api.parity.netChain()
+      api.parity.netChain(),
+      api.partiy.netVersion()
     ])
-    .then(([registryAddress, netChain]) => {
+    .then(([registryAddress, netChain, _netVersion]) => {
       const registry = api.newContract(abis.registry, registryAddress).instance;
-      isTest = ['kovan', 'morden', 'ropsten', 'testnet'].includes(netChain);
+      netVersion = _netVersion;
 
       console.log(`contract was found at registry=${registryAddress}`);
-      console.log(`running on ${netChain}, isTest=${isTest}`);
+      console.log(`running on ${netChain}, network ${netVersion}`);
 
       return Promise
         .all([
@@ -282,5 +284,5 @@ export function loadTokenBalance (tokenAddress, address) {
 }
 
 export function txLink (txHash) {
-  return `https://${isTest ? 'testnet.' : ''}etherscan.io/tx/${txHash}`;
+  return `https://${etherscanUrl(false, netVersion)}/tx/${txHash}`;
 }
diff --git a/js/src/dapps/registry/actions.js b/js/src/dapps/registry/actions.js
index a798dd363..84671b81f 100644
--- a/js/src/dapps/registry/actions.js
+++ b/js/src/dapps/registry/actions.js
@@ -32,16 +32,12 @@ const REGISTRY_V1_HASHES = [
   '0x64c3ee34851517a9faecd995c102b339f03e564ad6772dc43a26f993238b20ec' // homestead
 ];
 
-export const setIsTestnet = (isTestnet) => ({ type: 'set isTestnet', isTestnet });
+export const setNetVersion = (netVersion) => ({ type: 'set netVersion', netVersion });
 
 export const fetchIsTestnet = () => (dispatch) =>
   api.net.version()
     .then((netVersion) => {
-      dispatch(setIsTestnet([
-        '2', // morden
-        '3', // ropsten
-        '42' // kovan
-      ].includes(netVersion)));
+      dispatch(setNetVersion(netVersion));
     })
     .catch((err) => {
       console.error('could not check if testnet');
diff --git a/js/src/dapps/registry/reducers.js b/js/src/dapps/registry/reducers.js
index 45ca9642e..f06452ef0 100644
--- a/js/src/dapps/registry/reducers.js
+++ b/js/src/dapps/registry/reducers.js
@@ -22,8 +22,8 @@ import namesReducer from './Names/reducers.js';
 import recordsReducer from './Records/reducers.js';
 import reverseReducer from './Reverse/reducers.js';
 
-const isTestnetReducer = (state = null, action) =>
-  action.type === 'set isTestnet' ? action.isTestnet : state;
+const netVersionReducer = (state = null, action) =>
+  action.type === 'set netVersion' ? action.netVersion : state;
 
 const contractReducer = (state = null, action) =>
   action.type === 'set contract' ? action.contract : state;
@@ -35,7 +35,7 @@ const ownerReducer = (state = null, action) =>
   action.type === 'set owner' ? action.owner : state;
 
 const initialState = {
-  isTestnet: isTestnetReducer(undefined, { type: '' }),
+  netVersion: netVersionReducer(undefined, { type: '' }),
   accounts: accountsReducer(undefined, { type: '' }),
   contacts: contactsReducer(undefined, { type: '' }),
   contract: contractReducer(undefined, { type: '' }),
@@ -49,7 +49,7 @@ const initialState = {
 };
 
 export default (state = initialState, action) => ({
-  isTestnet: isTestnetReducer(state.isTestnet, action),
+  netVersion: netVersionReducer(state.netVersion, action),
   accounts: accountsReducer(state.accounts, action),
   contacts: contactsReducer(state.contacts, action),
   contract: contractReducer(state.contract, action),
diff --git a/js/src/dapps/registry/ui/address.js b/js/src/dapps/registry/ui/address.js
index d8e98c220..12640d921 100644
--- a/js/src/dapps/registry/ui/address.js
+++ b/js/src/dapps/registry/ui/address.js
@@ -28,7 +28,7 @@ class Address extends Component {
   static propTypes = {
     address: PropTypes.string.isRequired,
     account: nullableProptype(PropTypes.object.isRequired),
-    isTestnet: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     key: PropTypes.string,
     shortenHash: PropTypes.bool
   };
@@ -56,7 +56,7 @@ class Address extends Component {
   }
 
   renderCaption () {
-    const { address, account, isTestnet, shortenHash } = this.props;
+    const { address, account, netVersion, shortenHash } = this.props;
 
     if (account) {
       const { name } = account;
@@ -64,7 +64,7 @@ class Address extends Component {
       return (
         <a
           className={ styles.link }
-          href={ etherscanUrl(address, isTestnet) }
+          href={ etherscanUrl(address, false, netVersion) }
           target='_blank'
         >
           <abbr
@@ -103,14 +103,14 @@ function mapStateToProps (initState, initProps) {
     });
 
   return (state, props) => {
-    const { isTestnet } = state;
+    const { netVersion } = state;
     const { address = '' } = props;
 
     const account = allAccounts[address] || null;
 
     return {
       account,
-      isTestnet
+      netVersion
     };
   };
 }
diff --git a/js/src/dapps/registry/ui/hash.js b/js/src/dapps/registry/ui/hash.js
index 6eeaab7b2..792a1cb07 100644
--- a/js/src/dapps/registry/ui/hash.js
+++ b/js/src/dapps/registry/ui/hash.js
@@ -26,7 +26,7 @@ const leading0x = /^0x/;
 class Hash extends Component {
   static propTypes = {
     hash: PropTypes.string.isRequired,
-    isTestnet: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     linked: PropTypes.bool
   }
 
@@ -35,7 +35,7 @@ class Hash extends Component {
   }
 
   render () {
-    const { hash, isTestnet, linked } = this.props;
+    const { hash, netVersion, linked } = this.props;
 
     let shortened = hash.toLowerCase().replace(leading0x, '');
     shortened = shortened.length > (6 + 6)
@@ -46,7 +46,7 @@ class Hash extends Component {
       return (
         <a
           className={ styles.link }
-          href={ etherscanUrl(hash, isTestnet) }
+          href={ etherscanUrl(hash, false, netVersion) }
           target='_blank'
         >
           <abbr title={ hash }>{ shortened }</abbr>
@@ -60,7 +60,7 @@ class Hash extends Component {
 
 export default connect(
   (state) => ({ // mapStateToProps
-    isTestnet: state.isTestnet
+    netVersion: state.netVersion
   }),
   null // mapDispatchToProps
 )(Hash);
diff --git a/js/src/dapps/registry/util/etherscan-url.js b/js/src/dapps/registry/util/etherscan-url.js
index 26fb9a84f..aa3556e9a 100644
--- a/js/src/dapps/registry/util/etherscan-url.js
+++ b/js/src/dapps/registry/util/etherscan-url.js
@@ -14,13 +14,15 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
+import { url as externalUrl } from '~/3rdparty/etherscan/links';
+
 const leading0x = /^0x/;
 
-const etherscanUrl = (hash, isTestnet) => {
+const etherscanUrl = (hash, isTestnet, netVersion) => {
   hash = hash.toLowerCase().replace(leading0x, '');
   const type = hash.length === 40 ? 'address' : 'tx';
 
-  return `https://${isTestnet ? 'testnet.' : ''}etherscan.io/${type}/0x${hash}`;
+  return `https://${externalUrl(isTestnet, netVersion)}/${type}/0x${hash}`;
 };
 
 export default etherscanUrl;
diff --git a/js/src/modals/ExecuteContract/executeContract.js b/js/src/modals/ExecuteContract/executeContract.js
index 0828a5f3e..078638431 100644
--- a/js/src/modals/ExecuteContract/executeContract.js
+++ b/js/src/modals/ExecuteContract/executeContract.js
@@ -84,7 +84,6 @@ class ExecuteContract extends Component {
     contract: PropTypes.object.isRequired,
     fromAddress: PropTypes.string,
     gasLimit: PropTypes.object.isRequired,
-    isTest: PropTypes.bool,
     onClose: PropTypes.func.isRequired,
     onFromAddressChange: PropTypes.func.isRequired
   }
diff --git a/js/src/redux/providers/status.js b/js/src/redux/providers/status.js
index d1a17532b..1ffcc35fc 100644
--- a/js/src/redux/providers/status.js
+++ b/js/src/redux/providers/status.js
@@ -300,6 +300,7 @@ export default class Status {
           defaultExtraData,
           netChain,
           netPort,
+          netVersion,
           rpcSettings,
           isTest,
           enode
diff --git a/js/src/redux/providers/statusReducer.js b/js/src/redux/providers/statusReducer.js
index 4bef27b1b..fff9344b2 100644
--- a/js/src/redux/providers/statusReducer.js
+++ b/js/src/redux/providers/statusReducer.js
@@ -40,6 +40,7 @@ const initialState = {
     max: new BigNumber(0)
   },
   netPort: new BigNumber(0),
+  netVersion: '0',
   rpcSettings: {},
   syncing: true,
   isConnected: false,
diff --git a/js/src/ui/TxHash/txHash.js b/js/src/ui/TxHash/txHash.js
index 724004ae7..c5342ccd3 100644
--- a/js/src/ui/TxHash/txHash.js
+++ b/js/src/ui/TxHash/txHash.js
@@ -34,8 +34,8 @@ class TxHash extends Component {
 
   static propTypes = {
     hash: PropTypes.string.isRequired,
-    isTest: PropTypes.bool,
     maxConfirmations: PropTypes.number,
+    netVersion: PropTypes.string.isRequired,
     summary: PropTypes.bool
   }
 
@@ -116,10 +116,10 @@ class TxHash extends Component {
   }
 
   render () {
-    const { hash, isTest, summary } = this.props;
+    const { hash, netVersion, summary } = this.props;
 
     const hashLink = (
-      <a href={ txLink(hash, isTest) } target='_blank'>
+      <a href={ txLink(hash, false, netVersion) } target='_blank'>
         <ShortenedHash data={ hash } />
       </a>
     );
@@ -255,9 +255,11 @@ class TxHash extends Component {
 }
 
 function mapStateToProps (state) {
-  const { isTest } = state.nodeStatus;
+  const { netVersion } = state.nodeStatus;
 
-  return { isTest };
+  return {
+    netVersion
+  };
 }
 
 export default connect(
diff --git a/js/src/ui/TxHash/txHash.spec.js b/js/src/ui/TxHash/txHash.spec.js
index 63d81b715..409ede8b1 100644
--- a/js/src/ui/TxHash/txHash.spec.js
+++ b/js/src/ui/TxHash/txHash.spec.js
@@ -63,7 +63,9 @@ function createRedux () {
     subscribe: sinon.stub(),
     getState: () => {
       return {
-        nodeStatus: { isTest: true }
+        nodeStatus: {
+          netVersion: '42'
+        }
       };
     }
   };
diff --git a/js/src/ui/TxList/TxRow/txRow.js b/js/src/ui/TxList/TxRow/txRow.js
index 35a386df0..e9c75fcbf 100644
--- a/js/src/ui/TxList/TxRow/txRow.js
+++ b/js/src/ui/TxList/TxRow/txRow.js
@@ -16,6 +16,7 @@
 
 import moment from 'moment';
 import React, { Component, PropTypes } from 'react';
+import { connect } from 'react-redux';
 
 import { txLink, addressLink } from '~/3rdparty/etherscan/links';
 
@@ -25,7 +26,7 @@ import MethodDecoding from '../../MethodDecoding';
 
 import styles from '../txList.css';
 
-export default class TxRow extends Component {
+class TxRow extends Component {
   static contextTypes = {
     api: PropTypes.object.isRequired
   };
@@ -33,7 +34,7 @@ export default class TxRow extends Component {
   static propTypes = {
     tx: PropTypes.object.isRequired,
     address: PropTypes.string.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
 
     block: PropTypes.object,
     historic: PropTypes.bool,
@@ -45,7 +46,7 @@ export default class TxRow extends Component {
   };
 
   render () {
-    const { tx, address, isTest, historic, className } = this.props;
+    const { address, className, historic, netVersion, tx } = this.props;
 
     return (
       <tr className={ className || '' }>
@@ -57,8 +58,9 @@ export default class TxRow extends Component {
           <div>
             <a
               className={ styles.link }
-              href={ txLink(tx.hash, isTest) }
-              target='_blank'>
+              href={ txLink(tx.hash, false, netVersion) }
+              target='_blank'
+            >
               { `${tx.hash.substr(2, 6)}...${tx.hash.slice(-6)}` }
             </a>
           </div>
@@ -75,13 +77,13 @@ export default class TxRow extends Component {
   }
 
   renderAddress (address) {
-    const { isTest } = this.props;
+    const { netVersion } = this.props;
 
     let esLink = null;
     if (address) {
       esLink = (
         <a
-          href={ addressLink(address, isTest) }
+          href={ addressLink(address, false, netVersion) }
           target='_blank'
           className={ styles.link }>
           <IdentityName address={ address } shorten />
@@ -131,3 +133,16 @@ export default class TxRow extends Component {
     );
   }
 }
+
+function mapStateToProps (state) {
+  const { netVersion } = state.nodeStatus;
+
+  return {
+    netVersion
+  };
+}
+
+export default connect(
+  mapStateToProps,
+  null
+)(TxRow);
diff --git a/js/src/ui/TxList/TxRow/txRow.spec.js b/js/src/ui/TxList/TxRow/txRow.spec.js
index 030ff4432..a8b95fd3f 100644
--- a/js/src/ui/TxList/TxRow/txRow.spec.js
+++ b/js/src/ui/TxList/TxRow/txRow.spec.js
@@ -25,9 +25,27 @@ import TxRow from './txRow';
 
 const api = new Api({ execute: sinon.stub() });
 
+const STORE = {
+  dispatch: sinon.stub(),
+  subscribe: sinon.stub(),
+  getState: () => {
+    return {
+      nodeStatus: {
+        netVersion: '42'
+      },
+      personal: {
+        accounts: {
+          '0x123': {}
+        }
+      }
+    };
+  }
+};
+
 function render (props) {
   return shallow(
     <TxRow
+      store={ STORE }
       { ...props } />,
     { context: { api } }
   );
@@ -45,7 +63,7 @@ describe('ui/TxList/TxRow', () => {
         value: new BigNumber(1)
       };
 
-      expect(render({ address: '0x123', block, isTest: true, tx })).to.be.ok;
+      expect(render({ address: '0x123', block, netVersion: '42', tx })).to.be.ok;
     });
   });
 });
diff --git a/js/src/ui/TxList/txList.js b/js/src/ui/TxList/txList.js
index 5cc5618d6..3d1b3ad67 100644
--- a/js/src/ui/TxList/txList.js
+++ b/js/src/ui/TxList/txList.js
@@ -35,7 +35,7 @@ class TxList extends Component {
       PropTypes.array,
       PropTypes.object
     ]).isRequired,
-    isTest: PropTypes.bool.isRequired
+    netVersion: PropTypes.string.isRequired
   }
 
   store = new Store(this.context.api);
@@ -63,7 +63,7 @@ class TxList extends Component {
   }
 
   renderRows () {
-    const { address, isTest } = this.props;
+    const { address, netVersion } = this.props;
 
     return this.store.sortedHashes.map((txhash) => {
       const tx = this.store.transactions[txhash];
@@ -76,7 +76,7 @@ class TxList extends Component {
           tx={ tx }
           block={ block }
           address={ address }
-          isTest={ isTest }
+          netVersion={ netVersion }
         />
       );
     });
@@ -84,10 +84,10 @@ class TxList extends Component {
 }
 
 function mapStateToProps (state) {
-  const { isTest } = state.nodeStatus;
+  const { netVersion } = state.nodeStatus;
 
   return {
-    isTest
+    netVersion
   };
 }
 
diff --git a/js/src/ui/TxList/txList.spec.js b/js/src/ui/TxList/txList.spec.js
index 11367fbce..076514c73 100644
--- a/js/src/ui/TxList/txList.spec.js
+++ b/js/src/ui/TxList/txList.spec.js
@@ -30,7 +30,7 @@ const STORE = {
   getState: () => {
     return {
       nodeStatus: {
-        isTest: true
+        netVersion: '42'
       }
     };
   }
diff --git a/js/src/views/Account/Transactions/store.js b/js/src/views/Account/Transactions/store.js
index d59595c44..b1cc4145e 100644
--- a/js/src/views/Account/Transactions/store.js
+++ b/js/src/views/Account/Transactions/store.js
@@ -21,8 +21,8 @@ import etherscan from '~/3rdparty/etherscan';
 export default class Store {
   @observable address = null;
   @observable isLoading = false;
-  @observable isTest = undefined;
   @observable isTracing = false;
+  @observable netVersion = '0';
   @observable txHashes = [];
 
   constructor (api) {
@@ -44,8 +44,8 @@ export default class Store {
     this.isLoading = isLoading;
   }
 
-  @action setTest = (isTest) => {
-    this.isTest = isTest;
+  @action setNetVersion = (netVersion) => {
+    this.netVersion = netVersion;
   }
 
   @action setTracing = (isTracing) => {
@@ -55,7 +55,7 @@ export default class Store {
   @action updateProps = (props) => {
     transaction(() => {
       this.setAddress(props.address);
-      this.setTest(props.isTest);
+      this.setNetVersion(props.netVersion);
 
       // TODO: When tracing is enabled again, adjust to actually set
       this.setTracing(false && props.traceMode);
@@ -65,7 +65,7 @@ export default class Store {
   }
 
   getTransactions () {
-    if (this.isTest === undefined) {
+    if (this.netVersion === '0') {
       return Promise.resolve();
     }
 
@@ -87,7 +87,7 @@ export default class Store {
   }
 
   fetchEtherscanTransactions () {
-    return etherscan.account.transactions(this.address, 0, this.isTest);
+    return etherscan.account.transactions(this.address, 0, false, this.netVersion);
   }
 
   fetchTraceTransactions () {
diff --git a/js/src/views/Account/Transactions/store.spec.js b/js/src/views/Account/Transactions/store.spec.js
index a25b58d29..d35d8b195 100644
--- a/js/src/views/Account/Transactions/store.spec.js
+++ b/js/src/views/Account/Transactions/store.spec.js
@@ -43,7 +43,7 @@ function mockQuery () {
       sort: 'desc'
     },
     reply: [{ hash: '123' }]
-  }], true);
+  }], false, '42');
 }
 
 describe('views/Account/Transactions/store', () => {
@@ -94,10 +94,10 @@ describe('views/Account/Transactions/store', () => {
       });
     });
 
-    describe('setTest', () => {
-      it('sets the isTest flag', () => {
-        store.setTest(true);
-        expect(store.isTest).to.be.true;
+    describe('setNetVersion', () => {
+      it('sets the netVersion', () => {
+        store.setNetVersion('testing');
+        expect(store.netVersion).to.equal('testing');
       });
     });
 
@@ -124,7 +124,7 @@ describe('views/Account/Transactions/store', () => {
       it('retrieves the hashes via etherscan', () => {
         sinon.spy(store, 'fetchEtherscanTransactions');
         store.setAddress(ADDRESS);
-        store.setTest(true);
+        store.setNetVersion('42');
         store.setTracing(false);
 
         return store.getTransactions().then(() => {
@@ -137,7 +137,7 @@ describe('views/Account/Transactions/store', () => {
       it('retrieves the hashes via tracing', () => {
         sinon.spy(store, 'fetchTraceTransactions');
         store.setAddress(ADDRESS);
-        store.setTest(true);
+        store.setNetVersion('42');
         store.setTracing(true);
 
         return store.getTransactions().then(() => {
@@ -151,7 +151,7 @@ describe('views/Account/Transactions/store', () => {
     describe('fetchEtherscanTransactions', () => {
       it('retrieves the transactions', () => {
         store.setAddress(ADDRESS);
-        store.setTest(true);
+        store.setNetVersion('42');
 
         return store.fetchEtherscanTransactions().then((transactions) => {
           expect(transactions).to.deep.equal([{
@@ -169,7 +169,7 @@ describe('views/Account/Transactions/store', () => {
     describe('fetchTraceTransactions', () => {
       it('retrieves the transactions', () => {
         store.setAddress(ADDRESS);
-        store.setTest(true);
+        store.setNetVersion('42');
 
         return store.fetchTraceTransactions().then((transactions) => {
           expect(transactions).to.deep.equal([
diff --git a/js/src/views/Account/Transactions/transactions.js b/js/src/views/Account/Transactions/transactions.js
index 547c918d8..6977639bf 100644
--- a/js/src/views/Account/Transactions/transactions.js
+++ b/js/src/views/Account/Transactions/transactions.js
@@ -32,7 +32,7 @@ class Transactions extends Component {
 
   static propTypes = {
     address: PropTypes.string.isRequired,
-    isTest: PropTypes.bool,
+    netVersion: PropTypes.string.isRequired,
     traceMode: PropTypes.bool
   }
 
@@ -48,7 +48,7 @@ class Transactions extends Component {
       return;
     }
 
-    const hasChanged = ['isTest', 'address']
+    const hasChanged = ['address', 'netVersion']
       .map(key => newProps[key] !== this.props[key])
       .reduce((truth, keyTruth) => truth || keyTruth, false);
 
@@ -109,10 +109,10 @@ class Transactions extends Component {
 }
 
 function mapStateToProps (state) {
-  const { isTest, traceMode } = state.nodeStatus;
+  const { netVersion, traceMode } = state.nodeStatus;
 
   return {
-    isTest,
+    netVersion,
     traceMode
   };
 }
diff --git a/js/src/views/Account/account.test.js b/js/src/views/Account/account.test.js
index d457bf7a1..a27e266ce 100644
--- a/js/src/views/Account/account.test.js
+++ b/js/src/views/Account/account.test.js
@@ -31,7 +31,7 @@ function createRedux () {
         },
         images: {},
         nodeStatus: {
-          isTest: false,
+          netVersion: '1',
           traceMode: false
         },
         personal: {
diff --git a/js/src/views/Application/TabBar/tabBar.js b/js/src/views/Application/TabBar/tabBar.js
index 81be1d294..417fe6c9e 100644
--- a/js/src/views/Application/TabBar/tabBar.js
+++ b/js/src/views/Application/TabBar/tabBar.js
@@ -84,8 +84,6 @@ class TabBar extends Component {
   };
 
   static propTypes = {
-    isTest: PropTypes.bool,
-    netChain: PropTypes.string,
     pending: PropTypes.array,
     views: PropTypes.array.isRequired
   };
diff --git a/js/src/views/Application/application.js b/js/src/views/Application/application.js
index 684b7c390..d36c60c39 100644
--- a/js/src/views/Application/application.js
+++ b/js/src/views/Application/application.js
@@ -46,8 +46,6 @@ class Application extends Component {
   static propTypes = {
     blockNumber: PropTypes.object,
     children: PropTypes.node,
-    isTest: PropTypes.bool,
-    netChain: PropTypes.string,
     pending: PropTypes.array
   }
 
@@ -86,17 +84,14 @@ class Application extends Component {
   }
 
   renderApp () {
-    const { blockNumber, children, pending, netChain, isTest } = this.props;
+    const { blockNumber, children, pending } = this.props;
 
     return (
       <Container
         upgradeStore={ this.upgradeStore }
         onCloseFirstRun={ this.store.closeFirstrun }
         showFirstRun={ this.store.firstrunVisible }>
-        <TabBar
-          netChain={ netChain }
-          isTest={ isTest }
-          pending={ pending } />
+        <TabBar pending={ pending } />
         <div className={ styles.content }>
           { children }
         </div>
@@ -123,15 +118,13 @@ class Application extends Component {
 }
 
 function mapStateToProps (state) {
-  const { blockNumber, netChain, isTest } = state.nodeStatus;
+  const { blockNumber } = state.nodeStatus;
   const { hasAccounts } = state.personal;
   const { pending } = state.signer;
 
   return {
     blockNumber,
     hasAccounts,
-    isTest,
-    netChain,
     pending
   };
 }
diff --git a/js/src/views/Contract/Events/Event/event.js b/js/src/views/Contract/Events/Event/event.js
index f5ca34910..a66a63c5c 100644
--- a/js/src/views/Contract/Events/Event/event.js
+++ b/js/src/views/Contract/Events/Event/event.js
@@ -31,7 +31,7 @@ export default class Event extends Component {
 
   static propTypes = {
     event: PropTypes.object.isRequired,
-    isTest: PropTypes.bool
+    netVersion: PropTypes.string.isRequired
   }
 
   state = {
@@ -43,11 +43,11 @@ export default class Event extends Component {
   }
 
   render () {
-    const { event, isTest } = this.props;
+    const { event, netVersion } = this.props;
     const { block, transaction } = this.state;
 
     const classes = `${styles.event} ${styles[event.state]}`;
-    const url = txLink(event.transactionHash, isTest);
+    const url = txLink(event.transactionHash, false, netVersion);
     const keys = Object.keys(event.params).join(', ');
     const values = Object.keys(event.params).map((name, index) => {
       const param = event.params[name];
diff --git a/js/src/views/Contract/Events/events.js b/js/src/views/Contract/Events/events.js
index 1367624e8..e68c9c333 100644
--- a/js/src/views/Contract/Events/events.js
+++ b/js/src/views/Contract/Events/events.js
@@ -28,9 +28,9 @@ export default class Events extends Component {
   };
 
   static propTypes = {
-    isTest: PropTypes.bool.isRequired,
     isLoading: PropTypes.bool,
-    events: PropTypes.array
+    events: PropTypes.array,
+    netVersion: PropTypes.string.isRequired
   };
 
   static defaultProps = {
@@ -39,7 +39,7 @@ export default class Events extends Component {
   };
 
   render () {
-    const { events, isTest, isLoading } = this.props;
+    const { events, isLoading, netVersion } = this.props;
 
     if (isLoading) {
       return (
@@ -67,7 +67,8 @@ export default class Events extends Component {
         <Event
           key={ event.key }
           event={ event }
-          isTest={ isTest } />
+          netVersion={ netVersion }
+        />
       );
     });
 
@@ -82,7 +83,9 @@ export default class Events extends Component {
               </th>
             </tr>
           </thead>
-          <tbody>{ list }</tbody>
+          <tbody>
+            { list }
+          </tbody>
         </table>
       </Container>
     );
diff --git a/js/src/views/Contract/contract.js b/js/src/views/Contract/contract.js
index 91f1436bb..cb2c74efe 100644
--- a/js/src/views/Contract/contract.js
+++ b/js/src/views/Contract/contract.js
@@ -52,7 +52,7 @@ class Contract extends Component {
     accountsInfo: PropTypes.object,
     balances: PropTypes.object,
     contracts: PropTypes.object,
-    isTest: PropTypes.bool,
+    netVersion: PropTypes.string.isRequired,
     params: PropTypes.object
   };
 
@@ -119,7 +119,7 @@ class Contract extends Component {
   }
 
   render () {
-    const { accountsInfo, balances, contracts, params, isTest } = this.props;
+    const { accountsInfo, balances, contracts, netVersion, params } = this.props;
     const { allEvents, contract, queryValues, loadingEvents } = this.state;
     const account = contracts[params.address];
     const balance = balances[params.address];
@@ -148,9 +148,9 @@ class Contract extends Component {
             values={ queryValues }
           />
           <Events
-            isTest={ isTest }
             isLoading={ loadingEvents }
             events={ allEvents }
+            netVersion={ netVersion }
           />
           { this.renderDetails(account) }
         </Page>
@@ -484,14 +484,14 @@ class Contract extends Component {
 function mapStateToProps (state) {
   const { accounts, accountsInfo, contracts } = state.personal;
   const { balances } = state.balances;
-  const { isTest } = state.nodeStatus;
+  const { netVersion } = state.nodeStatus;
 
   return {
-    isTest,
     accounts,
     accountsInfo,
+    balances,
     contracts,
-    balances
+    netVersion
   };
 }
 
diff --git a/js/src/views/Signer/components/Account/AccountLink/accountLink.js b/js/src/views/Signer/components/Account/AccountLink/accountLink.js
index c4bc362c1..1b7de7ec7 100644
--- a/js/src/views/Signer/components/Account/AccountLink/accountLink.js
+++ b/js/src/views/Signer/components/Account/AccountLink/accountLink.js
@@ -21,7 +21,7 @@ import styles from './accountLink.css';
 
 export default class AccountLink extends Component {
   static propTypes = {
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     address: PropTypes.string.isRequired,
     className: PropTypes.string,
     children: PropTypes.node
@@ -32,15 +32,15 @@ export default class AccountLink extends Component {
   };
 
   componentWillMount () {
-    const { address, isTest } = this.props;
+    const { address, netVersion } = this.props;
 
-    this.updateLink(address, isTest);
+    this.updateLink(address, netVersion);
   }
 
   componentWillReceiveProps (nextProps) {
-    const { address, isTest } = nextProps;
+    const { address, netVersion } = nextProps;
 
-    this.updateLink(address, isTest);
+    this.updateLink(address, netVersion);
   }
 
   render () {
@@ -56,8 +56,8 @@ export default class AccountLink extends Component {
     );
   }
 
-  updateLink (address, isTest) {
-    const link = addressLink(address, isTest);
+  updateLink (address, netVersion) {
+    const link = addressLink(address, false, netVersion);
 
     this.setState({
       link
diff --git a/js/src/views/Signer/components/Account/account.js b/js/src/views/Signer/components/Account/account.js
index dbe950b75..f5a220f7d 100644
--- a/js/src/views/Signer/components/Account/account.js
+++ b/js/src/views/Signer/components/Account/account.js
@@ -25,7 +25,7 @@ export default class Account extends Component {
   static propTypes = {
     className: PropTypes.string,
     address: PropTypes.string.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     balance: PropTypes.object // eth BigNumber, not required since it mght take time to fetch
   };
 
@@ -51,13 +51,14 @@ export default class Account extends Component {
   }
 
   render () {
-    const { address, isTest, className } = this.props;
+    const { address, netVersion, className } = this.props;
 
     return (
       <div className={ `${styles.acc} ${className}` }>
         <AccountLink
           address={ address }
-          isTest={ isTest }>
+          netVersion={ netVersion }
+        >
           <IdentityIcon
             center
             address={ address } />
@@ -76,14 +77,15 @@ export default class Account extends Component {
   }
 
   renderName () {
-    const { address, isTest } = this.props;
+    const { address, netVersion } = this.props;
     const name = <IdentityName address={ address } empty />;
 
     if (!name) {
       return (
         <AccountLink
           address={ address }
-          isTest={ isTest }>
+          netVersion={ netVersion }
+        >
           [{ this.shortAddress(address) }]
         </AccountLink>
       );
@@ -92,7 +94,8 @@ export default class Account extends Component {
     return (
       <AccountLink
         address={ address }
-        isTest={ isTest } >
+        netVersion={ netVersion }
+      >
         <span>
           <span className={ styles.name }>{ name }</span>
           <span className={ styles.address }>[{ this.tinyAddress(address) }]</span>
diff --git a/js/src/views/Signer/components/RequestPending/requestPending.js b/js/src/views/Signer/components/RequestPending/requestPending.js
index 3cce680ed..afb434e14 100644
--- a/js/src/views/Signer/components/RequestPending/requestPending.js
+++ b/js/src/views/Signer/components/RequestPending/requestPending.js
@@ -27,7 +27,7 @@ export default class RequestPending extends Component {
     gasLimit: PropTypes.object.isRequired,
     id: PropTypes.object.isRequired,
     isSending: PropTypes.bool.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     onConfirm: PropTypes.func.isRequired,
     onReject: PropTypes.func.isRequired,
     payload: PropTypes.oneOfType([
@@ -51,7 +51,7 @@ export default class RequestPending extends Component {
   };
 
   render () {
-    const { className, date, focus, gasLimit, id, isSending, isTest, onReject, payload, store } = this.props;
+    const { className, date, focus, gasLimit, id, isSending, netVersion, onReject, payload, store } = this.props;
 
     if (payload.sign) {
       const { sign } = payload;
@@ -65,7 +65,7 @@ export default class RequestPending extends Component {
           id={ id }
           isFinished={ false }
           isSending={ isSending }
-          isTest={ isTest }
+          netVersion={ netVersion }
           onConfirm={ this.onConfirm }
           onReject={ onReject }
           store={ store } />
@@ -82,7 +82,7 @@ export default class RequestPending extends Component {
           gasLimit={ gasLimit }
           id={ id }
           isSending={ isSending }
-          isTest={ isTest }
+          netVersion={ netVersion }
           onConfirm={ this.onConfirm }
           onReject={ onReject }
           store={ store }
diff --git a/js/src/views/Signer/components/RequestPending/requestPending.spec.js b/js/src/views/Signer/components/RequestPending/requestPending.spec.js
new file mode 100644
index 000000000..b4c2b8afe
--- /dev/null
+++ b/js/src/views/Signer/components/RequestPending/requestPending.spec.js
@@ -0,0 +1,112 @@
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+import BigNumber from 'bignumber.js';
+import { shallow } from 'enzyme';
+import React from 'react';
+import sinon from 'sinon';
+
+import RequestPending from './';
+
+const ADDRESS = '0x1234567890123456789012345678901234567890';
+const TRANSACTION = {
+  from: ADDRESS,
+  gas: new BigNumber(21000),
+  gasPrice: new BigNumber(20000000),
+  value: new BigNumber(1)
+};
+const PAYLOAD_SENDTX = {
+  sendTransaction: TRANSACTION
+};
+const PAYLOAD_SIGN = {
+  sign: {
+    address: ADDRESS,
+    data: 'testing'
+  }
+};
+const PAYLOAD_SIGNTX = {
+  signTransaction: TRANSACTION
+};
+
+let component;
+let onConfirm;
+let onReject;
+
+function render (payload) {
+  onConfirm = sinon.stub();
+  onReject = sinon.stub();
+
+  component = shallow(
+    <RequestPending
+      date={ new Date() }
+      gasLimit={ new BigNumber(100000) }
+      id={ new BigNumber(123) }
+      isSending={ false }
+      netVersion='42'
+      onConfirm={ onConfirm }
+      onReject={ onReject }
+      origin={ {} }
+      payload={ payload }
+      store={ {} }
+    />
+  );
+
+  return component;
+}
+
+describe('views/Signer/RequestPending', () => {
+  describe('sendTransaction', () => {
+    beforeEach(() => {
+      render(PAYLOAD_SENDTX);
+    });
+
+    it('renders defaults', () => {
+      expect(component).to.be.ok;
+    });
+
+    it('renders TransactionPending component', () => {
+      expect(component.find('TransactionPending')).to.have.length(1);
+    });
+  });
+
+  describe('sign', () => {
+    beforeEach(() => {
+      render(PAYLOAD_SIGN);
+    });
+
+    it('renders defaults', () => {
+      expect(component).to.be.ok;
+    });
+
+    it('renders SignRequest component', () => {
+      expect(component.find('SignRequest')).to.have.length(1);
+    });
+  });
+
+  describe('signTransaction', () => {
+    beforeEach(() => {
+      render(PAYLOAD_SIGNTX);
+    });
+
+    it('renders defaults', () => {
+      expect(component).to.be.ok;
+    });
+
+    it('renders TransactionPending component', () => {
+      expect(component.find('TransactionPending')).to.have.length(1);
+    });
+  });
+});
diff --git a/js/src/views/Signer/components/SignRequest/signRequest.js b/js/src/views/Signer/components/SignRequest/signRequest.js
index c26d67d20..78c03c60a 100644
--- a/js/src/views/Signer/components/SignRequest/signRequest.js
+++ b/js/src/views/Signer/components/SignRequest/signRequest.js
@@ -44,8 +44,8 @@ export default class SignRequest extends Component {
     address: PropTypes.string.isRequired,
     data: PropTypes.string.isRequired,
     isFinished: PropTypes.bool.isRequired,
-    isTest: PropTypes.bool.isRequired,
     store: PropTypes.object.isRequired,
+    netVersion: PropTypes.string.isRequired,
 
     className: PropTypes.string,
     focus: PropTypes.bool,
@@ -92,7 +92,7 @@ export default class SignRequest extends Component {
 
   renderDetails () {
     const { api } = this.context;
-    const { address, isTest, store, data } = this.props;
+    const { address, netVersion, store, data } = this.props;
     const balance = store.balances[address];
 
     if (!balance) {
@@ -105,7 +105,8 @@ export default class SignRequest extends Component {
           <Account
             address={ address }
             balance={ balance }
-            isTest={ isTest } />
+            netVersion={ netVersion }
+          />
         </div>
         <div className={ styles.info } title={ api.util.sha3(data) }>
           <p>A request to sign data using your account:</p>
diff --git a/js/src/views/Signer/components/TransactionMainDetails/transactionMainDetails.js b/js/src/views/Signer/components/TransactionMainDetails/transactionMainDetails.js
index 812d1fb35..2d8627c57 100644
--- a/js/src/views/Signer/components/TransactionMainDetails/transactionMainDetails.js
+++ b/js/src/views/Signer/components/TransactionMainDetails/transactionMainDetails.js
@@ -31,7 +31,7 @@ export default class TransactionMainDetails extends Component {
     fromBalance: PropTypes.object,
     gasStore: PropTypes.object,
     id: PropTypes.object.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     totalValue: PropTypes.object.isRequired,
     transaction: PropTypes.object.isRequired,
     value: PropTypes.object.isRequired
@@ -50,7 +50,7 @@ export default class TransactionMainDetails extends Component {
   }
 
   render () {
-    const { children, from, fromBalance, gasStore, isTest, transaction } = this.props;
+    const { children, from, fromBalance, gasStore, netVersion, transaction } = this.props;
 
     return (
       <div className={ styles.transaction }>
@@ -59,7 +59,7 @@ export default class TransactionMainDetails extends Component {
             <Account
               address={ from }
               balance={ fromBalance }
-              isTest={ isTest }
+              netVersion={ netVersion }
             />
           </div>
         </div>
diff --git a/js/src/views/Signer/components/TransactionPending/transactionPending.js b/js/src/views/Signer/components/TransactionPending/transactionPending.js
index 4030eb828..98be91d5f 100644
--- a/js/src/views/Signer/components/TransactionPending/transactionPending.js
+++ b/js/src/views/Signer/components/TransactionPending/transactionPending.js
@@ -39,7 +39,7 @@ export default class TransactionPending extends Component {
     gasLimit: PropTypes.object,
     id: PropTypes.object.isRequired,
     isSending: PropTypes.bool.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     nonce: PropTypes.number,
     onConfirm: PropTypes.func.isRequired,
     onReject: PropTypes.func.isRequired,
@@ -87,7 +87,7 @@ export default class TransactionPending extends Component {
   }
 
   renderTransaction () {
-    const { className, focus, id, isSending, isTest, store, transaction } = this.props;
+    const { className, focus, id, isSending, netVersion, store, transaction } = this.props;
     const { totalValue } = this.state;
     const { from, value } = transaction;
 
@@ -101,7 +101,7 @@ export default class TransactionPending extends Component {
           fromBalance={ fromBalance }
           gasStore={ this.gasStore }
           id={ id }
-          isTest={ isTest }
+          netVersion={ netVersion }
           totalValue={ totalValue }
           transaction={ transaction }
           value={ value } />
diff --git a/js/src/views/Signer/components/TxHashLink/txHashLink.js b/js/src/views/Signer/components/TxHashLink/txHashLink.js
index be92828c1..00f9952d5 100644
--- a/js/src/views/Signer/components/TxHashLink/txHashLink.js
+++ b/js/src/views/Signer/components/TxHashLink/txHashLink.js
@@ -22,18 +22,19 @@ export default class TxHashLink extends Component {
   static propTypes = {
     children: PropTypes.node,
     className: PropTypes.string,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     txHash: PropTypes.string.isRequired
   }
 
   render () {
-    const { children, className, isTest, txHash } = this.props;
+    const { children, className, netVersion, txHash } = this.props;
 
     return (
       <a
         className={ className }
-        href={ txLink(txHash, isTest) }
-        target='_blank'>
+        href={ txLink(txHash, false, netVersion) }
+        target='_blank'
+      >
         { children || txHash }
       </a>
     );
diff --git a/js/src/views/Signer/containers/Embedded/embedded.js b/js/src/views/Signer/containers/Embedded/embedded.js
index b79657430..555f412f6 100644
--- a/js/src/views/Signer/containers/Embedded/embedded.js
+++ b/js/src/views/Signer/containers/Embedded/embedded.js
@@ -38,7 +38,7 @@ class Embedded extends Component {
       startRejectRequest: PropTypes.func.isRequired
     }).isRequired,
     gasLimit: PropTypes.object.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     signer: PropTypes.shape({
       finished: PropTypes.array.isRequired,
       pending: PropTypes.array.isRequired
@@ -79,7 +79,7 @@ class Embedded extends Component {
   }
 
   renderPending = (data, index) => {
-    const { actions, gasLimit, isTest } = this.props;
+    const { actions, gasLimit, netVersion } = this.props;
     const { date, id, isSending, payload } = data;
 
     return (
@@ -90,7 +90,7 @@ class Embedded extends Component {
         gasLimit={ gasLimit }
         id={ id }
         isSending={ isSending }
-        isTest={ isTest }
+        netVersion={ netVersion }
         key={ id }
         onConfirm={ actions.startConfirmRequest }
         onReject={ actions.startRejectRequest }
@@ -106,13 +106,13 @@ class Embedded extends Component {
 }
 
 function mapStateToProps (state) {
-  const { gasLimit, isTest } = state.nodeStatus;
+  const { gasLimit, netVersion } = state.nodeStatus;
   const { actions, signer } = state;
 
   return {
     actions,
     gasLimit,
-    isTest,
+    netVersion,
     signer
   };
 }
diff --git a/js/src/views/Signer/containers/RequestsPage/requestsPage.js b/js/src/views/Signer/containers/RequestsPage/requestsPage.js
index ebc955157..fe0d49b73 100644
--- a/js/src/views/Signer/containers/RequestsPage/requestsPage.js
+++ b/js/src/views/Signer/containers/RequestsPage/requestsPage.js
@@ -40,7 +40,7 @@ class RequestsPage extends Component {
       startRejectRequest: PropTypes.func.isRequired
     }).isRequired,
     gasLimit: PropTypes.object.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     signer: PropTypes.shape({
       pending: PropTypes.array.isRequired,
       finished: PropTypes.array.isRequired
@@ -105,7 +105,7 @@ class RequestsPage extends Component {
   }
 
   renderPending = (data, index) => {
-    const { actions, gasLimit, isTest } = this.props;
+    const { actions, gasLimit, netVersion } = this.props;
     const { date, id, isSending, payload } = data;
 
     return (
@@ -116,7 +116,7 @@ class RequestsPage extends Component {
         gasLimit={ gasLimit }
         id={ id }
         isSending={ isSending }
-        isTest={ isTest }
+        netVersion={ netVersion }
         key={ id }
         onConfirm={ actions.startConfirmRequest }
         onReject={ actions.startRejectRequest }
@@ -128,13 +128,13 @@ class RequestsPage extends Component {
 }
 
 function mapStateToProps (state) {
-  const { gasLimit, isTest } = state.nodeStatus;
+  const { gasLimit, netVersion } = state.nodeStatus;
   const { actions, signer } = state;
 
   return {
     actions,
     gasLimit,
-    isTest,
+    netVersion,
     signer
   };
 }
diff --git a/js/src/views/Wallet/Confirmations/confirmations.js b/js/src/views/Wallet/Confirmations/confirmations.js
index 1c70a94e2..c6e841bfa 100644
--- a/js/src/views/Wallet/Confirmations/confirmations.js
+++ b/js/src/views/Wallet/Confirmations/confirmations.js
@@ -36,7 +36,7 @@ class WalletConfirmations extends Component {
   static propTypes = {
     accounts: PropTypes.object.isRequired,
     address: PropTypes.string.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     owners: PropTypes.array.isRequired,
     require: PropTypes.object.isRequired,
     confirmOperation: PropTypes.func.isRequired,
@@ -109,7 +109,7 @@ class WalletConfirmation extends Component {
     accounts: PropTypes.object.isRequired,
     confirmation: PropTypes.object.isRequired,
     address: PropTypes.string.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     owners: PropTypes.array.isRequired,
     require: PropTypes.object.isRequired,
     confirmOperation: PropTypes.func.isRequired,
@@ -320,13 +320,14 @@ class WalletConfirmation extends Component {
   }
 
   renderTransactionRow (confirmation, className) {
-    const { address, isTest } = this.props;
+    const { address, netVersion } = this.props;
     const { operation, transactionHash, blockNumber, value, to, data } = confirmation;
 
     if (value && to && data) {
       return (
         <TxRow
           className={ className }
+          netVersion={ netVersion }
           key={ operation }
           tx={ {
             hash: transactionHash,
@@ -337,7 +338,6 @@ class WalletConfirmation extends Component {
             input: bytesToHex(data)
           } }
           address={ address }
-          isTest={ isTest }
           historic={ false }
         />
       );
diff --git a/js/src/views/Wallet/Transactions/transactions.js b/js/src/views/Wallet/Transactions/transactions.js
index 0f2558dfc..b8d3b21b3 100644
--- a/js/src/views/Wallet/Transactions/transactions.js
+++ b/js/src/views/Wallet/Transactions/transactions.js
@@ -25,7 +25,7 @@ import txListStyles from '~/ui/TxList/txList.css';
 export default class WalletTransactions extends Component {
   static propTypes = {
     address: PropTypes.string.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     transactions: PropTypes.array
   };
 
@@ -43,7 +43,7 @@ export default class WalletTransactions extends Component {
     );
   }
   renderTransactions () {
-    const { address, isTest, transactions } = this.props;
+    const { address, netVersion, transactions } = this.props;
 
     if (!transactions) {
       return null;
@@ -62,6 +62,7 @@ export default class WalletTransactions extends Component {
 
       return (
         <TxRow
+          netVersion={ netVersion }
           key={ `${transactionHash}_${index}` }
           tx={ {
             hash: transactionHash,
@@ -69,7 +70,6 @@ export default class WalletTransactions extends Component {
             blockNumber, from, to, value
           } }
           address={ address }
-          isTest={ isTest }
         />
       );
     });
diff --git a/js/src/views/Wallet/wallet.js b/js/src/views/Wallet/wallet.js
index a66b15c3e..d1843bff0 100644
--- a/js/src/views/Wallet/wallet.js
+++ b/js/src/views/Wallet/wallet.js
@@ -40,20 +40,23 @@ import styles from './wallet.css';
 
 class WalletContainer extends Component {
   static propTypes = {
-    isTest: PropTypes.any
+    netVersion: PropTypes.string.isRequired
   };
 
   render () {
-    const { isTest, ...others } = this.props;
+    const { netVersion, ...others } = this.props;
 
-    if (isTest !== false && isTest !== true) {
+    if (netVersion === '0') {
       return (
         <Loading size={ 4 } />
       );
     }
 
     return (
-      <Wallet isTest={ isTest } { ...others } />
+      <Wallet
+        netVersion={ netVersion }
+        { ...others }
+      />
     );
   }
 }
@@ -67,7 +70,7 @@ class Wallet extends Component {
     address: PropTypes.string.isRequired,
     balance: nullableProptype(PropTypes.object.isRequired),
     images: PropTypes.object.isRequired,
-    isTest: PropTypes.bool.isRequired,
+    netVersion: PropTypes.string.isRequired,
     owned: PropTypes.bool.isRequired,
     setVisibleAccounts: PropTypes.func.isRequired,
     wallet: PropTypes.object.isRequired,
@@ -177,7 +180,7 @@ class Wallet extends Component {
   }
 
   renderDetails () {
-    const { address, isTest, wallet } = this.props;
+    const { address, netVersion, wallet } = this.props;
     const { owners, require, confirmations, transactions } = wallet;
 
     if (!owners || !require) {
@@ -190,19 +193,19 @@ class Wallet extends Component {
 
     return [
       <WalletConfirmations
+        netVersion={ netVersion }
         key='confirmations'
         owners={ owners }
         require={ require }
         confirmations={ confirmations }
-        isTest={ isTest }
         address={ address }
       />,
 
       <WalletTransactions
+        address={ address }
+        netVersion={ netVersion }
         key='transactions'
         transactions={ transactions }
-        address={ address }
-        isTest={ isTest }
       />
     ];
   }
@@ -354,7 +357,7 @@ function mapStateToProps (_, initProps) {
   const { address } = initProps.params;
 
   return (state) => {
-    const { isTest } = state.nodeStatus;
+    const { netVersion } = state.nodeStatus;
     const { accountsInfo = {}, accounts = {} } = state.personal;
     const { balances } = state.balances;
     const { images } = state;
@@ -372,7 +375,7 @@ function mapStateToProps (_, initProps) {
       address,
       balance,
       images,
-      isTest,
+      netVersion,
       owned,
       wallet,
       walletAccount