diff --git a/common/components/Header/components/CustomNodeModal.tsx b/common/components/Header/components/CustomNodeModal.tsx
index d4b63800..fae273eb 100644
--- a/common/components/Header/components/CustomNodeModal.tsx
+++ b/common/components/Header/components/CustomNodeModal.tsx
@@ -35,7 +35,7 @@ export default class CustomNodeModal extends React.Component<Props, State> {
     network: NETWORK_KEYS[0],
     hasAuth: false,
     username: '',
-    password: '',
+    password: ''
   };
 
   public render() {
@@ -43,15 +43,18 @@ export default class CustomNodeModal extends React.Component<Props, State> {
     const isHttps = window.location.protocol.includes('https');
     const invalids = this.getInvalids();
 
-    const buttons: IButton[] = [{
-      type: 'primary',
-      text: translate('NODE_CTA'),
-      onClick: this.saveAndAdd,
-      disabled: !!Object.keys(invalids).length,
-    }, {
-      text: translate('x_Cancel'),
-      onClick: handleClose
-    }];
+    const buttons: IButton[] = [
+      {
+        type: 'primary',
+        text: translate('NODE_CTA'),
+        onClick: this.saveAndAdd,
+        disabled: !!Object.keys(invalids).length
+      },
+      {
+        text: translate('x_Cancel'),
+        onClick: handleClose
+      }
+    ];
 
     return (
       <Modal
@@ -61,20 +64,23 @@ export default class CustomNodeModal extends React.Component<Props, State> {
         handleClose={handleClose}
       >
         <div>
-          {isHttps &&
+          {isHttps && (
             <div className="alert alert-danger small">
               {translate('NODE_Warning')}
             </div>
-          }
+          )}
 
           <form>
             <div className="row">
               <div className="col-sm-7">
                 <label>{translate('NODE_Name')}</label>
-                {this.renderInput({
-                  name: 'name',
-                  placeholder: 'My Node',
-                }, invalids)}
+                {this.renderInput(
+                  {
+                    name: 'name',
+                    placeholder: 'My Node'
+                  },
+                  invalids
+                )}
               </div>
               <div className="col-sm-5">
                 <label>Network</label>
@@ -84,9 +90,11 @@ export default class CustomNodeModal extends React.Component<Props, State> {
                   value={this.state.network}
                   onChange={this.handleChange}
                 >
-                  {NETWORK_KEYS.map((net) =>
-                    <option key={net} value={net}>{net}</option>
-                  )}
+                  {NETWORK_KEYS.map(net => (
+                    <option key={net} value={net}>
+                      {net}
+                    </option>
+                  ))}
                 </select>
               </div>
             </div>
@@ -94,19 +102,25 @@ export default class CustomNodeModal extends React.Component<Props, State> {
             <div className="row">
               <div className="col-sm-9">
                 <label>URL</label>
-                {this.renderInput({
-                  name: 'url',
-                  placeholder: 'http://127.0.0.1/',
-                }, invalids)}
+                {this.renderInput(
+                  {
+                    name: 'url',
+                    placeholder: 'http://127.0.0.1/'
+                  },
+                  invalids
+                )}
               </div>
 
               <div className="col-sm-3">
                 <label>{translate('NODE_Port')}</label>
-                {this.renderInput({
-                  name: 'port',
-                  placeholder: '8545',
-                  type: 'number',
-                }, invalids)}
+                {this.renderInput(
+                  {
+                    name: 'port',
+                    placeholder: '8545',
+                    type: 'number'
+                  },
+                  invalids
+                )}
               </div>
             </div>
             <div className="row">
@@ -117,13 +131,12 @@ export default class CustomNodeModal extends React.Component<Props, State> {
                     name="hasAuth"
                     checked={this.state.hasAuth}
                     onChange={this.handleCheckbox}
-                  />
-                  {' '}
+                  />{' '}
                   <span>HTTP Basic Authentication</span>
                 </label>
               </div>
             </div>
-            {this.state.hasAuth &&
+            {this.state.hasAuth && (
               <div className="row">
                 <div className="col-sm-6">
                   <label>Username</label>
@@ -131,13 +144,16 @@ export default class CustomNodeModal extends React.Component<Props, State> {
                 </div>
                 <div className="col-sm-6">
                   <label>Password</label>
-                  {this.renderInput({
-                    name: 'password',
-                    type: 'password',
-                  }, invalids)}
+                  {this.renderInput(
+                    {
+                      name: 'password',
+                      type: 'password'
+                    },
+                    invalids
+                  )}
                 </div>
               </div>
-            }
+            )}
           </form>
         </div>
       </Modal>
@@ -145,30 +161,26 @@ export default class CustomNodeModal extends React.Component<Props, State> {
   }
 
   private renderInput(input: Input, invalids: { [key: string]: boolean }) {
-    return <input
-      className={classnames({
-        'form-control': true,
-        'is-invalid': this.state[input.name] && invalids[input.name],
-      })}
-      value={this.state[name]}
-      onChange={this.handleChange}
-      {...input}
-    />;
+    return (
+      <input
+        className={classnames({
+          'form-control': true,
+          'is-invalid': this.state[input.name] && invalids[input.name]
+        })}
+        value={this.state[name]}
+        onChange={this.handleChange}
+        {...input}
+      />
+    );
   }
 
   private getInvalids(): { [key: string]: boolean } {
-    const {
-      url,
-      port,
-      hasAuth,
-      username,
-      password,
-    } = this.state;
-    const required = ["name", "url", "port", "network"];
+    const { url, port, hasAuth, username, password } = this.state;
+    const required = ['name', 'url', 'port', 'network'];
     const invalids: { [key: string]: boolean } = {};
 
     // Required fields
-    required.forEach((field) => {
+    required.forEach(field => {
       if (!this.state[field]) {
         invalids[field] = true;
       }
@@ -198,9 +210,9 @@ export default class CustomNodeModal extends React.Component<Props, State> {
     return invalids;
   }
 
-  private handleChange = (ev: React.FormEvent<
-    HTMLInputElement | HTMLSelectElement
-  >) => {
+  private handleChange = (
+    ev: React.FormEvent<HTMLInputElement | HTMLSelectElement>
+  ) => {
     const { name, value } = ev.currentTarget;
     this.setState({ [name as any]: value });
   };
@@ -215,13 +227,13 @@ export default class CustomNodeModal extends React.Component<Props, State> {
       name: this.state.name.trim(),
       url: this.state.url.trim(),
       port: parseInt(this.state.port, 10),
-      network: this.state.network,
+      network: this.state.network
     };
 
     if (this.state.hasAuth) {
       node.auth = {
         username: this.state.username,
-        password: this.state.password,
+        password: this.state.password
       };
     }
 
diff --git a/common/components/WalletDecrypt/ViewOnly.tsx b/common/components/WalletDecrypt/ViewOnly.tsx
index d19dfa0a..aa0cefe5 100644
--- a/common/components/WalletDecrypt/ViewOnly.tsx
+++ b/common/components/WalletDecrypt/ViewOnly.tsx
@@ -1,29 +1,60 @@
 import React, { Component } from 'react';
 import translate from 'translations';
+import { donationAddressMap } from 'config/data';
+import { isValidETHAddress } from 'libs/validators';
+import { AddressOnlyWallet } from 'libs/wallet';
+
+interface Props {
+  onUnlock(param: any): void;
+}
+
+interface State {
+  address: string;
+}
+
+export default class ViewOnlyDecrypt extends Component<Props, State> {
+  public state = {
+    address: ''
+  };
 
-export default class ViewOnlyDecrypt extends Component {
   public render() {
+    const { address } = this.state;
+    const isValid = isValidETHAddress(address);
+
     return (
       <section className="col-md-4 col-sm-6">
         <div id="selectedUploadKey">
-          <h4>
-            {translate('ADD_Radio_2_alt')}
-          </h4>
+          <h4>{translate('MYWAL_Address')}</h4>
 
-          <div className="form-group">
-            <input type="file" id="fselector" />
+          <form className="form-group" onSubmit={this.openWallet}>
+            <input
+              className={`form-control
+                ${isValid ? 'is-valid' : 'is-invalid'}
+              `}
+              onChange={this.changeAddress}
+              value={address}
+              placeholder={donationAddressMap.ETH}
+            />
 
-            <a
-              className="btn-file marg-v-sm"
-              id="aria1"
-              tabIndex={0}
-              role="button"
-            >
-              {translate('ADD_Radio_2_short')}
-            </a>
-          </div>
+            <button className="btn btn-primary btn-block" disabled={!isValid}>
+              {translate('NAV_ViewWallet')}
+            </button>
+          </form>
         </div>
       </section>
     );
   }
+
+  private changeAddress = (ev: React.FormEvent<HTMLInputElement>) => {
+    this.setState({ address: ev.currentTarget.value });
+  };
+
+  private openWallet = (ev: React.SyntheticEvent<HTMLFormElement>) => {
+    const { address } = this.state;
+    ev.preventDefault();
+    if (isValidETHAddress(address)) {
+      const wallet = new AddressOnlyWallet(address);
+      this.props.onUnlock(wallet);
+    }
+  };
 }
diff --git a/common/components/WalletDecrypt/index.tsx b/common/components/WalletDecrypt/index.tsx
index fbb77890..9531010b 100644
--- a/common/components/WalletDecrypt/index.tsx
+++ b/common/components/WalletDecrypt/index.tsx
@@ -30,7 +30,6 @@ const WALLETS = {
     component: Web3Decrypt,
     initialParams: {},
     unlock: unlockWeb3,
-    disabled: false,
     helpLink:
       'https://myetherwallet.github.io/knowledge-base/migration/moving-from-private-key-to-metamask.html'
   },
@@ -39,7 +38,6 @@ const WALLETS = {
     component: LedgerNanoSDecrypt,
     initialParams: {},
     unlock: setWallet,
-    disabled: false,
     helpLink:
       'https://ledger.zendesk.com/hc/en-us/articles/115005200009-How-to-use-MyEtherWallet-with-Ledger'
   },
@@ -48,7 +46,6 @@ const WALLETS = {
     component: TrezorDecrypt,
     initialParams: {},
     unlock: setWallet,
-    disabled: false,
     helpLink: 'https://doc.satoshilabs.com/trezor-apps/mew.html'
   },
   'keystore-file': {
@@ -59,7 +56,6 @@ const WALLETS = {
       password: ''
     },
     unlock: unlockKeystore,
-    disabled: false,
     helpLink:
       'https://myetherwallet.github.io/knowledge-base/private-keys-passwords/difference-beween-private-key-and-keystore-file.html'
   },
@@ -68,7 +64,6 @@ const WALLETS = {
     component: MnemonicDecrypt,
     initialParams: {},
     unlock: unlockMnemonic,
-    disabled: false,
     helpLink:
       'https://myetherwallet.github.io/knowledge-base/private-keys-passwords/difference-beween-private-key-and-keystore-file.html'
   },
@@ -80,14 +75,14 @@ const WALLETS = {
       password: ''
     },
     unlock: unlockPrivateKey,
-    disabled: false,
     helpLink:
       'https://myetherwallet.github.io/knowledge-base/private-keys-passwords/difference-beween-private-key-and-keystore-file.html'
   },
   'view-only': {
     lid: 'View with Address Only',
     component: ViewOnlyDecrypt,
-    disabled: true,
+    initialParams: {},
+    unlock: setWallet,
     helpLink: ''
   }
 };
@@ -100,6 +95,7 @@ interface Props {
     UnlockKeystoreAction | UnlockMnemonicAction | UnlockPrivateKeyAction
   >;
   offline: boolean;
+  allowReadOnly?: boolean;
 }
 
 interface State {
@@ -139,8 +135,12 @@ export class WalletDecrypt extends Component<Props, State> {
 
   public buildWalletOptions() {
     return map(WALLETS, (wallet, key) => {
-      const isSelected = this.state.selectedWalletKey === key;
       const { helpLink } = wallet;
+      const isSelected = this.state.selectedWalletKey === key;
+      const isDisabled =
+        this.isOnlineRequiredWalletAndOffline(key) ||
+        (!this.props.allowReadOnly && wallet.component === ViewOnlyDecrypt);
+
       return (
         <label className="radio" key={key}>
           <input
@@ -150,10 +150,8 @@ export class WalletDecrypt extends Component<Props, State> {
             name="decryption-choice-radio-group"
             value={key}
             checked={isSelected}
+            disabled={isDisabled}
             onChange={this.handleDecryptionChoiceChange}
-            disabled={
-              wallet.disabled || this.isOnlineRequiredWalletAndOffline(key)
-            }
           />
           <span id={`${key}-label`}>{translate(wallet.lid)}</span>
           {helpLink ? <Help link={helpLink} /> : null}
diff --git a/common/components/renderCbs/FullWalletOnly.tsx b/common/components/renderCbs/FullWalletOnly.tsx
new file mode 100644
index 00000000..7c94c675
--- /dev/null
+++ b/common/components/renderCbs/FullWalletOnly.tsx
@@ -0,0 +1,27 @@
+import * as React from 'react';
+import { connect } from 'react-redux';
+import { AppState } from 'reducers';
+import { IWallet, IFullWallet } from 'libs/wallet';
+
+interface Props {
+  wallet: IWallet;
+  withFullWallet(wallet: IFullWallet): React.ReactElement<any>;
+  withoutFullWallet(): React.ReactElement<any>;
+}
+
+class FullWalletOnly extends React.Component<Props, {}> {
+  public render() {
+    const { wallet, withFullWallet, withoutFullWallet } = this.props;
+    if (!wallet || wallet.isReadOnly) {
+      if (withoutFullWallet) {
+        return withoutFullWallet();
+      }
+      return null;
+    }
+    return withFullWallet(wallet);
+  }
+}
+
+export default connect((state: AppState) => ({
+  wallet: state.wallet.inst
+}))(FullWalletOnly);
diff --git a/common/components/ui/UnlockHeader.tsx b/common/components/ui/UnlockHeader.tsx
index ac86da03..104f2e05 100644
--- a/common/components/ui/UnlockHeader.tsx
+++ b/common/components/ui/UnlockHeader.tsx
@@ -7,6 +7,7 @@ import { AppState } from 'reducers';
 interface Props {
   title: React.ReactElement<any>;
   wallet: IWallet;
+  allowReadOnly?: boolean;
 }
 interface State {
   expanded: boolean;
@@ -28,7 +29,7 @@ export class UnlockHeader extends React.Component<Props, State> {
   }
 
   public render() {
-    const { title } = this.props;
+    const { title, allowReadOnly } = this.props;
     return (
       <article className="collapse-container">
         <div>
@@ -37,7 +38,7 @@ export class UnlockHeader extends React.Component<Props, State> {
           </a>
           <h1>{title}</h1>
         </div>
-        {this.state.expanded && <WalletDecrypt />}
+        {this.state.expanded && <WalletDecrypt allowReadOnly={allowReadOnly} />}
         {this.state.expanded && <hr />}
       </article>
     );
diff --git a/common/containers/TabSection/index.tsx b/common/containers/TabSection/index.tsx
index 72f3f30c..b50a69dd 100644
--- a/common/containers/TabSection/index.tsx
+++ b/common/containers/TabSection/index.tsx
@@ -8,7 +8,7 @@ import {
   TChangeLanguage,
   TChangeNodeIntent,
   TAddCustomNode,
-  TRemoveCustomNode,
+  TRemoveCustomNode
 } from 'actions/config';
 import { AlphaAgreement, Footer, Header } from 'components';
 import React, { Component } from 'react';
@@ -52,7 +52,7 @@ class TabSection extends Component<Props, {}> {
       changeNodeIntent,
       changeGasPrice,
       addCustomNode,
-      removeCustomNode,
+      removeCustomNode
     } = this.props;
 
     const headerProps = {
@@ -67,7 +67,7 @@ class TabSection extends Component<Props, {}> {
       changeNodeIntent,
       changeGasPrice,
       addCustomNode,
-      removeCustomNode,
+      removeCustomNode
     };
 
     return (
@@ -92,7 +92,7 @@ function mapStateToProps(state: AppState) {
     languageSelection: state.config.languageSelection,
     gasPriceGwei: state.config.gasPriceGwei,
     customNodes: state.config.customNodes,
-    latestBlock: state.config.latestBlock,
+    latestBlock: state.config.latestBlock
   };
 }
 
@@ -101,5 +101,5 @@ export default connect(mapStateToProps, {
   changeLanguage: dChangeLanguage,
   changeNodeIntent: dChangeNodeIntent,
   addCustomNode: dAddCustomNode,
-  removeCustomNode: dRemoveCustomNode,
+  removeCustomNode: dRemoveCustomNode
 })(TabSection);
diff --git a/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/index.tsx b/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/index.tsx
index b554882e..a982acd3 100644
--- a/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/index.tsx
+++ b/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/index.tsx
@@ -127,6 +127,10 @@ export const deployHOC = PassedComponent => {
         value
       };
 
+      if (!props.wallet || props.wallet.isReadOnly) {
+        return;
+      }
+
       return makeAndSignTx(
         props.wallet,
         props.nodeLib,
@@ -139,6 +143,10 @@ export const deployHOC = PassedComponent => {
     };
 
     private getAddressAndNonce = async () => {
+      if (!this.props.wallet || this.props.wallet.isReadOnly) {
+        return;
+      }
+
       const address = await this.props.wallet.getAddressString();
       const nonce = await this.props.nodeLib
         .getTransactionCount(address)
diff --git a/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/types.ts b/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/types.ts
index 218c111b..171f69de 100644
--- a/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/types.ts
+++ b/common/containers/Tabs/Contracts/components/Deploy/components/DeployHoc/types.ts
@@ -1,12 +1,13 @@
 import { Wei } from 'libs/units';
-import { IWallet, Balance } from 'libs/wallet';
+import { Balance } from 'libs/wallet';
 import { RPCNode } from 'libs/nodes';
 import { NodeConfig, NetworkConfig } from 'config/data';
 import { TBroadcastTx } from 'actions/wallet';
 import { TShowNotification } from 'actions/notifications';
+import { AppState } from 'reducers';
 
 export interface Props {
-  wallet: IWallet;
+  wallet: AppState['wallet']['inst'];
   balance: Balance;
   node: NodeConfig;
   nodeLib: RPCNode;
diff --git a/common/containers/Tabs/Contracts/components/withTx.tsx b/common/containers/Tabs/Contracts/components/withTx.tsx
index b3718805..d1c1b625 100644
--- a/common/containers/Tabs/Contracts/components/withTx.tsx
+++ b/common/containers/Tabs/Contracts/components/withTx.tsx
@@ -4,12 +4,12 @@ import { toWei, Wei, getDecimal } from 'libs/units';
 import { connect } from 'react-redux';
 import { showNotification, TShowNotification } from 'actions/notifications';
 import { broadcastTx, TBroadcastTx } from 'actions/wallet';
-import { IWallet, Balance } from 'libs/wallet';
+import { IFullWallet, Balance } from 'libs/wallet';
 import { RPCNode } from 'libs/nodes';
 import { NodeConfig, NetworkConfig } from 'config/data';
 
 export interface IWithTx {
-  wallet: IWallet;
+  wallet: IFullWallet;
   balance: Balance;
   node: NodeConfig;
   nodeLib: RPCNode;
diff --git a/common/containers/Tabs/SendTransaction/index.tsx b/common/containers/Tabs/SendTransaction/index.tsx
index c12d82a5..e4664814 100644
--- a/common/containers/Tabs/SendTransaction/index.tsx
+++ b/common/containers/Tabs/SendTransaction/index.tsx
@@ -285,6 +285,7 @@ export class SendTransaction extends React.Component<Props, State> {
                 ) : null}
               </div>
             }
+            allowReadOnly={true}
           />
           <NavigationPrompt
             when={unlocked}
@@ -364,9 +365,7 @@ export class SendTransaction extends React.Component<Props, State> {
                           {isLedgerWallet || isTrezorWallet ? (
                             <div>
                               <p>
-                                <b>
-                                  Confirm transaction on hardware wallet
-                                </b>
+                                <b>Confirm transaction on hardware wallet</b>
                               </p>
                               <Spinner size="x2" />
                             </div>
@@ -512,6 +511,10 @@ export class SendTransaction extends React.Component<Props, State> {
 
   public async getFormattedTxFromState(): Promise<TransactionWithoutGas> {
     const { wallet } = this.props;
+    if (wallet.isReadOnly) {
+      throw new Error('Wallet is read-only');
+    }
+
     const { token, unit, value, to, data } = this.state;
     const transactionInput: TransactionInput = {
       token,
@@ -694,6 +697,7 @@ export class SendTransaction extends React.Component<Props, State> {
     await this.resetJustTx();
     const { nodeLib, wallet, gasPrice, network, offline } = this.props;
     const { token, unit, value, to, data, gasLimit, nonce } = this.state;
+
     const chainId = network.chainId;
     const transactionInput = {
       token,
@@ -704,6 +708,10 @@ export class SendTransaction extends React.Component<Props, State> {
     };
     const bigGasLimit = Wei(gasLimit);
     try {
+      if (wallet.isReadOnly) {
+        throw new Error('Wallet is read-only');
+      }
+
       const signedTx = await generateCompleteTransaction(
         wallet,
         nodeLib,
diff --git a/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/SignButton.tsx b/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/SignButton.tsx
new file mode 100644
index 00000000..7a1940b2
--- /dev/null
+++ b/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/SignButton.tsx
@@ -0,0 +1,46 @@
+import React from 'react';
+import translate from 'translations';
+import { ISignedMessage } from 'libs/signing';
+import { IFullWallet } from 'libs/wallet';
+import { TShowNotification } from 'actions/notifications';
+
+interface Props {
+  wallet: IFullWallet;
+  message: string;
+  showNotification: TShowNotification;
+  onSignMessage(msg: ISignedMessage): any;
+}
+
+export default class SignMessageButton extends React.Component<Props, {}> {
+  public render() {
+    return (
+      <button
+        className="SignMessage-sign btn btn-primary btn-lg"
+        onClick={this.handleSignMessage}
+      >
+        {translate('NAV_SignMsg')}
+      </button>
+    );
+  }
+
+  private handleSignMessage = async () => {
+    const { wallet, message, showNotification, onSignMessage } = this.props;
+
+    try {
+      const signedMessage: ISignedMessage = {
+        address: await wallet.getAddressString(),
+        message,
+        signature: await wallet.signMessage(message),
+        version: '2'
+      };
+
+      onSignMessage(signedMessage);
+      showNotification(
+        'success',
+        `Successfully signed message with address ${signedMessage.address}.`
+      );
+    } catch (err) {
+      showNotification('danger', `Error signing message: ${err.message}`);
+    }
+  };
+}
diff --git a/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/index.tsx b/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/index.tsx
index 252de313..1237db3e 100644
--- a/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/index.tsx
+++ b/common/containers/Tabs/SignAndVerifyMessage/components/SignMessage/index.tsx
@@ -1,28 +1,26 @@
 import React, { Component } from 'react';
 import { connect } from 'react-redux';
 import classnames from 'classnames';
-import { IWallet } from 'libs/wallet/IWallet';
 import WalletDecrypt from 'components/WalletDecrypt';
 import translate from 'translations';
 import { showNotification, TShowNotification } from 'actions/notifications';
 import { ISignedMessage } from 'libs/signing';
-import { AppState } from 'reducers';
+import { IFullWallet } from 'libs/wallet';
+import FullWalletOnly from 'components/renderCbs/FullWalletOnly';
+import SignButton from './SignButton';
 import './index.scss';
 
 interface Props {
-  wallet: IWallet;
   showNotification: TShowNotification;
 }
 
 interface State {
   message: string;
-  signMessageError: string;
   signedMessage: ISignedMessage | null;
 }
 
 const initialState: State = {
   message: '',
-  signMessageError: '',
   signedMessage: null
 };
 
@@ -33,7 +31,6 @@ export class SignMessage extends Component<Props, State> {
   public state: State = initialState;
 
   public render() {
-    const { wallet } = this.props;
     const { message, signedMessage } = this.state;
 
     const messageBoxClass = classnames([
@@ -56,14 +53,10 @@ export class SignMessage extends Component<Props, State> {
             <div className="SignMessage-help">{translate('MSG_info2')}</div>
           </div>
 
-          {!!wallet && (
-            <button
-              className="SignMessage-sign btn btn-primary btn-lg"
-              onClick={this.handleSignMessage}
-            >
-              {translate('NAV_SignMsg')}
-            </button>
-          )}
+          <FullWalletOnly
+            withFullWallet={this.renderSignButton}
+            withoutFullWallet={this.renderUnlock}
+          />
 
           {!!signedMessage && (
             <div>
@@ -79,53 +72,33 @@ export class SignMessage extends Component<Props, State> {
             </div>
           )}
         </div>
-
-        {!wallet && <WalletDecrypt />}
       </div>
     );
   }
 
-  private handleSignMessage = async () => {
-    const { wallet } = this.props;
-    const { message } = this.state;
-
-    if (!wallet) {
-      return;
-    }
-
-    try {
-      const signedMessage: ISignedMessage = {
-        address: await wallet.getAddressString(),
-        message,
-        signature: await wallet.signMessage(message),
-        version: '2'
-      };
-
-      this.setState({ signedMessage });
-      this.props.showNotification(
-        'success',
-        `Successfully signed message with address ${signedMessage.address}.`
-      );
-    } catch (err) {
-      this.props.showNotification(
-        'danger',
-        `Error signing message: ${err.message}`
-      );
-    }
-  };
-
   private handleMessageChange = (e: React.FormEvent<HTMLTextAreaElement>) => {
     const message = e.currentTarget.value;
     this.setState({ message });
   };
-}
 
-function mapStateToProps(state: AppState) {
-  return {
-    wallet: state.wallet.inst
+  private onSignMessage = (signedMessage: ISignedMessage) => {
+    this.setState({ signedMessage });
   };
+
+  private renderSignButton(fullWallet: IFullWallet) {
+    return (
+      <SignButton
+        wallet={fullWallet}
+        message={this.state.message}
+        showNotification={this.props.showNotification}
+        onSignMessage={this.onSignMessage}
+      />
+    );
+  }
+
+  private renderUnlock() {
+    return <WalletDecrypt />;
+  }
 }
 
-export default connect(mapStateToProps, {
-  showNotification
-})(SignMessage);
+export default connect(null, { showNotification })(SignMessage);
diff --git a/common/libs/contracts/index.ts b/common/libs/contracts/index.ts
index 07378f10..8c32ef05 100644
--- a/common/libs/contracts/index.ts
+++ b/common/libs/contracts/index.ts
@@ -1,5 +1,5 @@
 import AbiFunction, { IUserSendParams, ISendParams } from './ABIFunction';
-import { IWallet } from 'libs/wallet/IWallet';
+import { IFullWallet } from 'libs/wallet/IWallet';
 import { RPCNode } from 'libs/nodes';
 import { ContractOutputMappings } from './types';
 import { Wei } from 'libs/units';
@@ -12,7 +12,7 @@ const ABIFUNC_METHOD_NAMES = [
 ];
 
 export interface ISetConfigForTx {
-  wallet: IWallet;
+  wallet: IFullWallet;
   nodeLib: RPCNode;
   chainId: number;
   gasPrice: Wei;
@@ -36,25 +36,26 @@ export default class Contract {
       .setGasPrice(gasPrice);
 
   public static getFunctions = (contract: Contract) =>
-    Object.getOwnPropertyNames(
-      contract
-    ).reduce((accu, currContractMethodName) => {
-      const currContractMethod = contract[currContractMethodName];
-      const methodNames = Object.getOwnPropertyNames(currContractMethod);
+    Object.getOwnPropertyNames(contract).reduce(
+      (accu, currContractMethodName) => {
+        const currContractMethod = contract[currContractMethodName];
+        const methodNames = Object.getOwnPropertyNames(currContractMethod);
 
-      const isFunc = ABIFUNC_METHOD_NAMES.reduce(
-        (isAbiFunc, currAbiFuncMethodName) =>
-          isAbiFunc && methodNames.includes(currAbiFuncMethodName),
-        true
-      );
-      return isFunc
-        ? { ...accu, [currContractMethodName]: currContractMethod }
-        : accu;
-    }, {});
+        const isFunc = ABIFUNC_METHOD_NAMES.reduce(
+          (isAbiFunc, currAbiFuncMethodName) =>
+            isAbiFunc && methodNames.includes(currAbiFuncMethodName),
+          true
+        );
+        return isFunc
+          ? { ...accu, [currContractMethodName]: currContractMethod }
+          : accu;
+      },
+      {}
+    );
 
   public address: string;
   public abi;
-  private wallet: IWallet;
+  private wallet: IFullWallet;
   private gasPrice: Wei;
   private chainId: number;
   private node: RPCNode;
@@ -68,7 +69,7 @@ export default class Contract {
     return this;
   };
 
-  public setWallet = (w: IWallet) => {
+  public setWallet = (w: IFullWallet) => {
     this.wallet = w;
     return this;
   };
diff --git a/common/libs/nodes/etherscan/requests.ts b/common/libs/nodes/etherscan/requests.ts
index 1cf353ba..036cb60c 100644
--- a/common/libs/nodes/etherscan/requests.ts
+++ b/common/libs/nodes/etherscan/requests.ts
@@ -71,7 +71,7 @@ export default class EtherscanRequests extends RPCRequests {
   public getCurrentBlock(): GetCurrentBlockRequest {
     return {
       module: 'proxy',
-      action: 'eth_blockNumber',
+      action: 'eth_blockNumber'
     };
   }
 }
diff --git a/common/libs/nodes/rpc/client.ts b/common/libs/nodes/rpc/client.ts
index eb6a8d9b..144fd2cb 100644
--- a/common/libs/nodes/rpc/client.ts
+++ b/common/libs/nodes/rpc/client.ts
@@ -24,7 +24,7 @@ export default class RPCClient {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...this.headers,
+        ...this.headers
       },
       body: JSON.stringify(this.decorateRequest(request))
     }).then(r => r.json());
@@ -35,7 +35,7 @@ export default class RPCClient {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...this.headers,
+        ...this.headers
       },
       body: JSON.stringify(requests.map(this.decorateRequest))
     }).then(r => r.json());
diff --git a/common/libs/nodes/rpc/types.ts b/common/libs/nodes/rpc/types.ts
index ec21b521..cc5a3f7e 100644
--- a/common/libs/nodes/rpc/types.ts
+++ b/common/libs/nodes/rpc/types.ts
@@ -70,7 +70,7 @@ export interface GetTransactionCountRequest extends RPCRequestBase {
 }
 
 export interface GetCurrentBlockRequest extends RPCRequestBase {
-  method: 'eth_blockNumber'
+  method: 'eth_blockNumber';
 }
 
 export type RPCRequest =
diff --git a/common/libs/transaction.ts b/common/libs/transaction.ts
index bb1b4b37..40514f29 100644
--- a/common/libs/transaction.ts
+++ b/common/libs/transaction.ts
@@ -8,7 +8,7 @@ import { INode } from 'libs/nodes/INode';
 import { UnitKey, Wei, TokenValue, toTokenBase } from 'libs/units';
 import { isValidETHAddress } from 'libs/validators';
 import { stripHexPrefixAndLower, sanitizeHex, toHexWei } from 'libs/values';
-import { IWallet, Web3Wallet } from 'libs/wallet';
+import { IFullWallet, Web3Wallet } from 'libs/wallet';
 import { translateRaw } from 'translations';
 
 export interface TransactionInput {
@@ -168,7 +168,7 @@ function generateTxValidation(
 export async function generateCompleteTransactionFromRawTransaction(
   node: INode,
   tx: ExtendedRawTransaction,
-  wallet: IWallet,
+  wallet: IFullWallet,
   token: Token | null | undefined,
   skipValidation: boolean,
   offline?: boolean
@@ -213,7 +213,7 @@ export async function generateCompleteTransactionFromRawTransaction(
 }
 
 export async function formatTxInput(
-  wallet: IWallet,
+  wallet: IFullWallet,
   { token, unit, value, to, data }: TransactionInput
 ): Promise<TransactionWithoutGas> {
   if (unit === 'ether') {
@@ -265,7 +265,7 @@ export async function confirmAndSendWeb3Transaction(
 }
 
 export async function generateCompleteTransaction(
-  wallet: IWallet,
+  wallet: IFullWallet,
   nodeLib: RPCNode,
   gasPrice: Wei,
   gasLimit: Wei,
diff --git a/common/libs/wallet/IWallet.ts b/common/libs/wallet/IWallet.ts
index 975478cf..78423edc 100644
--- a/common/libs/wallet/IWallet.ts
+++ b/common/libs/wallet/IWallet.ts
@@ -1,7 +1,18 @@
 import { RawTransaction } from 'libs/transaction';
 
-export interface IWallet {
+interface IBaseWallet {
+  isReadOnly?: boolean;
   getAddressString(): Promise<string> | string;
+}
+
+export interface IReadOnlyWallet extends IBaseWallet {
+  isReadOnly: true;
+}
+
+export interface IFullWallet extends IBaseWallet {
+  isReadOnly?: false;
   signRawTransaction(tx: RawTransaction): Promise<string> | string;
   signMessage(msg: string): Promise<string> | string;
 }
+
+export type IWallet = IReadOnlyWallet | IFullWallet;
diff --git a/common/libs/wallet/deterministic/ledger.ts b/common/libs/wallet/deterministic/ledger.ts
index 552302d2..cd9ec06c 100644
--- a/common/libs/wallet/deterministic/ledger.ts
+++ b/common/libs/wallet/deterministic/ledger.ts
@@ -3,10 +3,10 @@ import LedgerEth from 'vendor/ledger-eth';
 import EthTx from 'ethereumjs-tx';
 import { addHexPrefix, rlp } from 'ethereumjs-util';
 import { DeterministicWallet } from './deterministic';
-import { IWallet } from '../IWallet';
+import { IFullWallet } from '../IWallet';
 import { RawTransaction } from 'libs/transaction';
 
-export class LedgerWallet extends DeterministicWallet implements IWallet {
+export class LedgerWallet extends DeterministicWallet implements IFullWallet {
   private ledger: any;
   private ethApp: any;
 
diff --git a/common/libs/wallet/deterministic/trezor.ts b/common/libs/wallet/deterministic/trezor.ts
index fd561cca..4a78d520 100644
--- a/common/libs/wallet/deterministic/trezor.ts
+++ b/common/libs/wallet/deterministic/trezor.ts
@@ -5,9 +5,9 @@ import { RawTransaction } from 'libs/transaction';
 import { stripHexPrefixAndLower } from 'libs/values';
 import TrezorConnect from 'vendor/trezor-connect';
 import { DeterministicWallet } from './deterministic';
-import { IWallet } from '../IWallet';
+import { IFullWallet } from '../IWallet';
 
-export class TrezorWallet extends DeterministicWallet implements IWallet {
+export class TrezorWallet extends DeterministicWallet implements IFullWallet {
   public signRawTransaction(tx: RawTransaction): Promise<string> {
     return new Promise((resolve, reject) => {
       (TrezorConnect as any).ethereumSignTx(
@@ -51,12 +51,12 @@ export class TrezorWallet extends DeterministicWallet implements IWallet {
   public signMessage = (message: string): Promise<string> => {
     return new Promise((resolve, reject) => {
       (TrezorConnect as any).ethereumSignMessage(
-        this.getPath(), 
-        message, 
+        this.getPath(),
+        message,
         response => {
           if (response.success) {
             resolve(addHexPrefix(response.signature))
-          } else{ 
+          } else{
             console.error(response.error)
             reject(response.error)
           }
diff --git a/common/libs/wallet/index.ts b/common/libs/wallet/index.ts
index 52e71ba3..2e70fd03 100644
--- a/common/libs/wallet/index.ts
+++ b/common/libs/wallet/index.ts
@@ -1,4 +1,4 @@
-export { IWallet } from './IWallet';
+export { IWallet, IReadOnlyWallet, IFullWallet } from './IWallet';
 export { Balance } from './balance';
 export * from './deterministic';
 export * from './non-deterministic';
diff --git a/common/libs/wallet/non-deterministic/address.ts b/common/libs/wallet/non-deterministic/address.ts
new file mode 100644
index 00000000..0c8410a4
--- /dev/null
+++ b/common/libs/wallet/non-deterministic/address.ts
@@ -0,0 +1,14 @@
+import { IReadOnlyWallet } from '../IWallet';
+
+export default class AddressOnlyWallet implements IReadOnlyWallet {
+  public address = '';
+  public readonly isReadOnly = true;
+
+  constructor(address: string) {
+    this.address = address;
+  }
+
+  public getAddressString() {
+    return this.address;
+  }
+}
diff --git a/common/libs/wallet/non-deterministic/helpers.ts b/common/libs/wallet/non-deterministic/helpers.ts
index c3d205a0..65ff59d0 100644
--- a/common/libs/wallet/non-deterministic/helpers.ts
+++ b/common/libs/wallet/non-deterministic/helpers.ts
@@ -23,7 +23,7 @@ interface ISignWrapper {
   unlock();
 }
 
-type WrappedWallet = IFullWallet & ISignWrapper;
+export type WrappedWallet = IFullWallet & ISignWrapper;
 
 export const signWrapper = (walletToWrap: IFullWallet): WrappedWallet =>
   Object.assign(walletToWrap, {
diff --git a/common/libs/wallet/non-deterministic/wallets.ts b/common/libs/wallet/non-deterministic/wallets.ts
index 7da76112..26beb6cb 100644
--- a/common/libs/wallet/non-deterministic/wallets.ts
+++ b/common/libs/wallet/non-deterministic/wallets.ts
@@ -3,6 +3,7 @@ import { fromEtherWallet } from 'ethereumjs-wallet/thirdparty';
 import { signWrapper } from './helpers';
 import { decryptPrivKey } from 'libs/decrypt';
 import Web3Wallet from './web3';
+import AddressOnlyWallet from './address';
 
 const EncryptedPrivateKeyWallet = (
   encryptedPrivateKey: string,
@@ -26,5 +27,6 @@ export {
   MewV1Wallet,
   PrivKeyWallet,
   UtcWallet,
-  Web3Wallet
+  Web3Wallet,
+  AddressOnlyWallet
 };
diff --git a/common/libs/wallet/non-deterministic/web3.ts b/common/libs/wallet/non-deterministic/web3.ts
index d32837fc..2447ab97 100644
--- a/common/libs/wallet/non-deterministic/web3.ts
+++ b/common/libs/wallet/non-deterministic/web3.ts
@@ -1,9 +1,9 @@
-import { IWallet } from '../IWallet';
+import { IFullWallet } from '../IWallet';
 import { ExtendedRawTransaction } from 'libs/transaction';
 import { networkIdToName } from 'libs/values';
 import { bufferToHex } from 'ethereumjs-util';
 
-export default class Web3Wallet implements IWallet {
+export default class Web3Wallet implements IFullWallet {
   private web3: any;
   private address: string;
   private network: string;
diff --git a/common/reducers/config.ts b/common/reducers/config.ts
index db87e129..6e122dc5 100644
--- a/common/reducers/config.ts
+++ b/common/reducers/config.ts
@@ -5,14 +5,10 @@ import {
   AddCustomNodeAction,
   RemoveCustomNodeAction,
   SetLatestBlockAction,
-  ConfigAction,
+  ConfigAction
 } from 'actions/config';
 import { TypeKeys } from 'actions/config/constants';
-import {
-  NODES,
-  NodeConfig,
-  CustomNodeConfig,
-} from '../config/data';
+import { NODES, NodeConfig, CustomNodeConfig } from '../config/data';
 import { makeCustomNodeId } from 'utils/node';
 
 export interface State {
@@ -38,7 +34,7 @@ export const INITIAL_STATE: State = {
   offline: false,
   forceOffline: false,
   customNodes: [],
-  latestBlock: "???",
+  latestBlock: '???'
 };
 
 function changeLanguage(state: State, action: ChangeLanguageAction): State {
@@ -53,14 +49,14 @@ function changeNode(state: State, action: ChangeNodeAction): State {
     ...state,
     nodeSelection: action.payload.nodeSelection,
     node: action.payload.node,
-    isChangingNode: false,
+    isChangingNode: false
   };
 }
 
 function changeNodeIntent(state: State): State {
   return {
     ...state,
-    isChangingNode: true,
+    isChangingNode: true
   };
 }
 
@@ -88,10 +84,7 @@ function forceOffline(state: State): State {
 function addCustomNode(state: State, action: AddCustomNodeAction): State {
   return {
     ...state,
-    customNodes: [
-      ...state.customNodes,
-      action.payload,
-    ],
+    customNodes: [...state.customNodes, action.payload]
   };
 }
 
@@ -99,16 +92,16 @@ 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,
+    customNodes: state.customNodes.filter(cn => cn !== action.payload),
+    nodeSelection:
+      id === state.nodeSelection ? defaultNode : state.nodeSelection
   };
 }
 
 function setLatestBlock(state: State, action: SetLatestBlockAction): State {
   return {
     ...state,
-    latestBlock: action.payload,
+    latestBlock: action.payload
   };
 }
 
diff --git a/common/typescript/ethereumjs-wallet.d.ts b/common/typescript/ethereumjs-wallet.d.ts
index af40601b..502c63da 100644
--- a/common/typescript/ethereumjs-wallet.d.ts
+++ b/common/typescript/ethereumjs-wallet.d.ts
@@ -16,34 +16,34 @@ declare module 'ethereumjs-wallet/thirdparty' {
     IEtherWalletUnlocked
   } from 'ethereumjs-wallet';
   /**
-      * @description import a brain wallet used by Ether.Camp
-      * @param input 
-      * @param password 
-      */
+   * @description import a brain wallet used by Ether.Camp
+   * @param input
+   * @param password
+   */
   function fromEtherCamp(passphrase: string): IFullWallet;
 
   /**
-     * @description import a wallet generated by EtherWallet
-     * @param input 
-     * @param password 
-     */
+   * @description import a wallet generated by EtherWallet
+   * @param input
+   * @param password
+   */
   function fromEtherWallet(
     input: IEtherWalletLocked | IEtherWalletUnlocked | string,
     password: string
   ): IFullWallet;
 
   /**
-     * @description  import a wallet from a KryptoKit seed 
-     * @param entropy 
-     * @param seed 
-     */
+   * @description  import a wallet from a KryptoKit seed
+   * @param entropy
+   * @param seed
+   */
   function fromKryptoKit(entropy: string, seed: string): IFullWallet;
 
   /**
-     * @description import a brain wallet used by Quorum Wallet
-     * @param passphrase 
-     * @param userid 
-     */
+   * @description import a brain wallet used by Quorum Wallet
+   * @param passphrase
+   * @param userid
+   */
   function fromQuorumWallet(passphrase: string, userid: string): IFullWallet;
 }
 
@@ -68,14 +68,14 @@ declare module 'ethereumjs-wallet/hdkey' {
     deriveChild(index): IHDNodePublic;
 
     /**
-     * @description return a Wallet instance 
+     * @description return a Wallet instance
      */
     getWallet(): IPublicKeyOnlyWallet;
   }
 
   /**
-   * 
-   * 
+   *
+   *
    * @interface IHDNodePrivate
    */
   interface IHDNodePrivate {
@@ -100,19 +100,19 @@ declare module 'ethereumjs-wallet/hdkey' {
     deriveChild(index): IHDNodePrivate | IHDNodePublic;
 
     /**
-     * @description return a Wallet instance 
+     * @description return a Wallet instance
      */
     getWallet(): IFullWallet;
   }
 
   /**
-     * @description create an instance based on a seed
-     */
+   * @description create an instance based on a seed
+   */
   function fromMasterSeed(seed: Buffer): IHDNodePrivate;
 
   /**
-     * @description create an instance based on a BIP32 extended private or public key
-     */
+   * @description create an instance based on a BIP32 extended private or public key
+   */
   function fromExtendedKey(key: string): IHDNodePrivate | IHDNodePublic;
 }
 
@@ -227,7 +227,7 @@ declare module 'ethereumjs-wallet' {
     getAddress(): Buffer;
 
     /**
-     * 
+     *
      * @description return the address
      */
     getAddressString(): string;
@@ -262,61 +262,61 @@ declare module 'ethereumjs-wallet' {
   }
 
   /**
-     * 
-     * @param icap
-     * @description create an instance based on a new random key (setting icap to true will generate an address suitable for the ICAP Direct mode
-     */
+   *
+   * @param icap
+   * @description create an instance based on a new random key (setting icap to true will generate an address suitable for the ICAP Direct mode
+   */
   function generate(icap?: boolean): IFullWallet;
 
   /**
-     * 
-     * @param pattern
-     * @description create an instance where the address is valid against the supplied pattern (this will be very slow)
-     */
+   *
+   * @param pattern
+   * @description create an instance where the address is valid against the supplied pattern (this will be very slow)
+   */
   function generateVanityAddress(pattern: string | RegExp): IFullWallet;
 
   /**
-     * @description create an instance based on a raw private key
-     * @param input
-     *
-     */
+   * @description create an instance based on a raw private key
+   * @param input
+   *
+   */
   function fromPrivateKey(input: Buffer): IFullWallet;
 
   /**
-     * @description create an instance based on a BIP32 extended private key (xprv)
-     * @param input 
-     */
+   * @description create an instance based on a BIP32 extended private key (xprv)
+   * @param input
+   */
   function fromExtendedPrivateKey(input: Buffer): IFullWallet;
 
   /**
-     * @description create an instance based on a public key (certain methods will not be available)
-     * @param input 
-     * @param nonStrict 
-     */
+   * @description create an instance based on a public key (certain methods will not be available)
+   * @param input
+   * @param nonStrict
+   */
   function fromPublicKey(
     input: Buffer,
     nonStrict?: boolean
   ): IPublicKeyOnlyWallet;
 
   /**
-     * @description  create an instance based on a BIP32 extended public key (xpub)
-     * @param input 
-     */
+   * @description  create an instance based on a BIP32 extended public key (xpub)
+   * @param input
+   */
   function fromExtendedPublicKey(input: string): IPublicKeyOnlyWallet;
 
   /**
-     * @description import a wallet (Version 1 of the Ethereum wallet format)
-     * @param input 
-     * @param password 
-     */
+   * @description import a wallet (Version 1 of the Ethereum wallet format)
+   * @param input
+   * @param password
+   */
   function fromV1(input: IV1Wallet | string, password: string): IFullWallet;
 
   /**
-     * @description import a wallet (Version 3 of the Ethereum wallet format). Set nonStrict true to accept files with mixed-caps.
-     * @param input 
-     * @param password
-     * @param nonStrict
-     */
+   * @description import a wallet (Version 3 of the Ethereum wallet format). Set nonStrict true to accept files with mixed-caps.
+   * @param input
+   * @param password
+   * @param nonStrict
+   */
   function fromV3(
     input: IV3Wallet | string,
     password: string,
@@ -324,10 +324,10 @@ declare module 'ethereumjs-wallet' {
   ): IFullWallet;
 
   /**
-     * @description import an Ethereum Pre Sale wallet
-     * @param input 
-     * @param password 
-     */
+   * @description import an Ethereum Pre Sale wallet
+   * @param input
+   * @param password
+   */
   function fromEthSale(
     input: IPresaleWallet | string,
     password: string
diff --git a/common/utils/node.ts b/common/utils/node.ts
index 34612e3e..629f7cd1 100644
--- a/common/utils/node.ts
+++ b/common/utils/node.ts
@@ -6,13 +6,15 @@ export function makeCustomNodeId(config: CustomNodeConfig): string {
 }
 
 export function getCustomNodeConfigFromId(
-  id: string, configs: CustomNodeConfig[]
+  id: string,
+  configs: CustomNodeConfig[]
 ): CustomNodeConfig | undefined {
-  return configs.find((node) => makeCustomNodeId(node) === id);
+  return configs.find(node => makeCustomNodeId(node) === id);
 }
 
 export function getNodeConfigFromId(
-  id: string, configs: CustomNodeConfig[]
+  id: string,
+  configs: CustomNodeConfig[]
 ): NodeConfig | undefined {
   if (NODES[id]) {
     return NODES[id];
@@ -30,7 +32,7 @@ export function makeNodeConfigFromCustomConfig(
   return {
     network: config.network,
     lib: new CustomNode(config),
-    service: "your custom node",
-    estimateGas: true,
+    service: 'your custom node',
+    estimateGas: true
   };
 }