diff --git a/.gitignore b/.gitignore
index fde91ac..940d00d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 build/
 node_modules/
 .DS_Store
+.secret
diff --git a/README.md b/README.md
index 9954470..83a0c2d 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,9 @@
 
 Register subdomains in batch - ✨ invite your users to the experience.
 
+Mainnet: [0x1867670c5eee8a850462ffb5d7b5f4eb25b0ffab](https://explorer.rsk.co/address/0x1867670c5eee8a850462ffb5d7b5f4eb25b0ffab)
+Testnet: [0x128b878c2dedacc211a6324fa51b6bf006cad25e](https://explorer.testnet.rsk.co/address/0x128b878c2dedacc211a6324fa51b6bf006cad25e)
+
 ## Setup
 
 ```
@@ -15,17 +18,3 @@ npm test
 ```
 
 > Remove /build dir
-
-## Deploy
-
-```
-truffle migrate [--reset] [--network NETWORK] --rootNode ROOT_NODE
-```
-
-- `ROOT_NODE`: the node to register subnodes of.
-
-Example:
-
-```
-truffle migrate --reset --network ganache --rootNode javi.rsk
-```
\ No newline at end of file
diff --git a/app/.env.production b/app/.env.production
new file mode 100644
index 0000000..b793138
--- /dev/null
+++ b/app/.env.production
@@ -0,0 +1,4 @@
+REACT_APP_RSK_NODE=https://public-node.rsk.co/
+REACT_APP_RNS_REGISTRY=0xcb868aeabd31e2b66f74e9a55cf064abb31a4ad5
+REACT_APP_BATCH_REGISTRAR=0x1867670c5eee8a850462ffb5d7b5f4eb25b0ffab
+REACT_APP_RSK_EXPLORER=https://explorer.rsk.co
diff --git a/app/package.json b/app/package.json
index 04625cd..0e49962 100644
--- a/app/package.json
+++ b/app/package.json
@@ -2,6 +2,7 @@
   "name": "app",
   "version": "0.1.0",
   "private": true,
+  "homepage": "https://rnsdomains.github.io/rns-subdomain-batch/",
   "dependencies": {
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.3.2",
@@ -26,7 +27,9 @@
     "start": "react-scripts start",
     "build": "react-scripts build",
     "test": "react-scripts test",
-    "eject": "react-scripts eject"
+    "eject": "react-scripts eject",
+    "predeploy": "yarn build",
+    "deploy": "gh-pages -d build"
   },
   "eslintConfig": {
     "extends": "react-app"
@@ -49,6 +52,7 @@
     "eslint-plugin-import": "^2.19.1",
     "eslint-plugin-jsx-a11y": "^6.2.3",
     "eslint-plugin-react": "^7.17.0",
-    "eslint-plugin-react-hooks": "^1.7.0"
+    "eslint-plugin-react-hooks": "^1.7.0",
+    "gh-pages": "^2.1.1"
   }
 }
diff --git a/app/src/App.js b/app/src/App.js
index 45d12b8..4fbea95 100644
--- a/app/src/App.js
+++ b/app/src/App.js
@@ -2,6 +2,7 @@ import React from 'react';
 import {
   Switch,
   Route,
+  Redirect,
 } from 'react-router-dom';
 import {
   Header,
@@ -10,17 +11,35 @@ import {
   Setup,
   Subdomains,
   FAQ,
+  Auth,
+  NotFound,
+  Register,
 } from './components';
+import Admin from './components/Admin';
+import { connect } from 'react-redux';
+import { NODE_OWNER, REGISTRANT } from './types';
 
-export default () => (
+const App = ({ showRegister, showAdmin }) => (
   <>
     <Header />
     <Switch>
+      <Route exact path="/" render={() => <Home />} />
       <Route path="/setup" render={() => <Setup />} />
-      <Route path="/subdomains" render={() => <Subdomains />} />
+      <Route path="/subdomains" render={() => showRegister ? <Subdomains /> : <Redirect to="/login" />} />
+      <Route path="/register" render={() => showRegister ? <Register /> : <Redirect to="/login" />} />
+      <Route path="/admin" render={() => showAdmin ? <Admin /> : <Redirect to="/login" />} />
+      <Route path="/login" render={() => <Auth />} />
       <Route path="/faq" render={() => <FAQ />} />
-      <Route path="/" render={() => <Home />} />
+      <Route render={() => <NotFound />} />
     </Switch>
     <Footer />
   </>
 );
+
+
+const mapStateToProps = ({ app }) => ({
+  showRegister: app.auth.permissions.includes(REGISTRANT),
+  showAdmin: app.auth.permissions.includes(NODE_OWNER),
+});
+
+export default connect(mapStateToProps)(App);
diff --git a/app/src/actions.js b/app/src/actions.js
index cb0a70e..58c1ddb 100644
--- a/app/src/actions.js
+++ b/app/src/actions.js
@@ -3,6 +3,8 @@ import {
   ERROR_VALIDATE_OWNERSHIP, CLEAN_VALIDATE_OWNERSHIP,
   REQUEST_TRANSFER_TO_REGISTRAR, ERROR_TRANSFER_TO_REGISTRAR, RECEIVE_TRANSFER_TO_REGISTRAR,
   REQUEST_CLAIM, RECEIVE_CLAIM, ERROR_CLAIM,
+  REQUEST_AUTH, RECEIVE_AUTH, ERROR_AUTH, CONFIRM_PARSED,
+  REQUEST_REGISTER, RECEIVE_REGISTER, ERROR_REGISTER,
 } from './types';
 
 export const requestValidateOwnership = () => ({
@@ -51,3 +53,41 @@ export const errorTransferToRegistrar = (error) => ({
   type: ERROR_TRANSFER_TO_REGISTRAR,
   error,
 });
+
+export const requestAuth = () => ({
+  type: REQUEST_AUTH,
+});
+
+export const receiveAuth = (domain, owner, permissions) => ({
+  type: RECEIVE_AUTH,
+  domain,
+  owner,
+  permissions,
+});
+
+export const errorAuth = (error) => ({
+  type: ERROR_AUTH,
+  error,
+});
+
+export const confirmParsed = (parsed) => ({
+  type: CONFIRM_PARSED,
+  parsed,
+});
+
+export const requestRegister = (index) => ({
+  type: REQUEST_REGISTER,
+  index,
+});
+
+export const receiveRegister = (tx, index) => ({
+  type: RECEIVE_REGISTER,
+  tx,
+  index,
+});
+
+export const errorRegister = (error, index) => ({
+  type: ERROR_REGISTER,
+  error,
+  index,
+});
diff --git a/app/src/components/Admin.js b/app/src/components/Admin.js
new file mode 100644
index 0000000..fc30572
--- /dev/null
+++ b/app/src/components/Admin.js
@@ -0,0 +1,31 @@
+import React from 'react';
+import { Container, Row, Col } from 'react-bootstrap';
+
+export default () => (
+  <Container>
+    <Row>
+      <div className="col-lg-12 text-center main-title-box">
+        <h1><b>Admin</b></h1>
+      </div>
+      <Col>
+        <ul>
+          <li>Add registrant</li>
+          <li>Remove registrant</li>
+          <li>Check registrant</li>
+          <li>Recover domain ownership</li>
+        </ul>
+      </Col>
+    </Row>
+    <Row>
+      <Col>
+        <p>
+          This section is in development. Find the
+          <span> </span>
+          <a href="https://github.com/rnsdomains/rns-subdomain-batch/projects/1" target="_blank" rel="noopener noreferrer">Github project</a>
+          <span> </span>
+          to collaborate.
+        </p>
+      </Col>
+    </Row>
+  </Container>
+);
diff --git a/app/src/components/Auth.js b/app/src/components/Auth.js
new file mode 100644
index 0000000..3054805
--- /dev/null
+++ b/app/src/components/Auth.js
@@ -0,0 +1,105 @@
+import React, { Component } from 'react';
+import {
+  Container, Row, Col, Form, FormControl, Button, InputGroup, Spinner,
+} from 'react-bootstrap';
+import { connect } from 'react-redux';
+import { auth } from '../operations';
+import { Link } from 'react-router-dom';
+
+class ValidateOwnershipComponent extends Component {
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      value: '',
+    };
+
+    this.authenticate = this.authenticate.bind(this);
+    this.handleChangeValue = this.handleChangeValue.bind(this);
+  }
+
+  handleChangeValue(e) {
+    this.setState({ value: e.target.value });
+  }
+
+  authenticate(event) {
+    event.preventDefault();
+    const { auth } = this.props;
+    const { value } = this.state;
+
+    auth(value);
+  }
+
+  render() {
+    const { authenticating, error, permissions, domain } = this.props;
+
+    return (
+      <Container className="text-center">
+        <Row>
+          <Col>
+            {
+              permissions.length === 0 ?
+              <Form onSubmit={this.authenticate}>
+                <Form.Group>
+                  <InputGroup>
+                    <FormControl type="text" placeholder="domain.rsk" disabled={authenticating} onChange={this.handleChangeValue} />
+                    <InputGroup.Append>
+                      <Button type="submit" disabled={authenticating}>Log in</Button>
+                    </InputGroup.Append>
+                  </InputGroup>
+                  {
+                    authenticating && <Spinner variant="grow" />
+                  }
+                  {
+                    error
+                    && (
+                      <>
+                        <small className="text-danger">{error}</small>
+                        <br />
+                        <small>
+                          Check you are connected to RSK network with
+                          <span> </span>
+                          the owner&aposs wallet unlocked.
+                        </small>
+                      </>
+                    )
+                  }
+                </Form.Group>
+              </Form> :
+              <>
+                <p>Welcome {domain}!</p>
+                <Link className="btn btn-success" to="/subdomains">Register subdomains</Link>
+              </>
+            }
+          </Col>
+        </Row>
+        <hr />
+        <Row>
+          <Col>
+            <p>
+              Please complete the
+              <span> </span><Link to="/setup">setup</Link><span> </span>
+              before logging in.
+            </p>
+          </Col>
+        </Row>
+      </Container>
+    );
+  }
+}
+
+const mapStateToProps = ({ app }) => ({
+  permissions: app.auth.permissions,
+  authenticating: app.auth.authenticating,
+  error: app.auth.error,
+  domain: app.domain,
+});
+
+const mapDispatchToProps = (dispatch) => ({
+  auth: (domain) => dispatch(auth(domain)),
+});
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps,
+)(ValidateOwnershipComponent);
diff --git a/app/src/components/Header.js b/app/src/components/Header.js
index f8b7b55..9421cae 100644
--- a/app/src/components/Header.js
+++ b/app/src/components/Header.js
@@ -1,12 +1,17 @@
 import React from 'react';
 import { Link } from 'react-router-dom';
+import { connect } from 'react-redux';
+import { NODE_OWNER, REGISTRANT } from '../types';
 
-export default () => (
+const Header = ({ authenticatedAs, showRegister, showAdmin }) => (
   <nav className="navbar navbar-expand-md navbar-light bg-light fixed-top">
     <div className="container">
-      <a className="navbar-brand" href=".">
+      <Link className="navbar-brand" to="/">
         <img src="assets/img/logo.svg" className="logo" alt="logo" />
-      </a>
+      </Link>
+      <h3>
+        Subdomain batch
+      </h3>
       <button className="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
         <span className="navbar-toggler-icon" />
       </button>
@@ -18,14 +23,36 @@ export default () => (
           <li className="nav-item">
             <Link className="nav-link" to="/setup">Setup</Link>
           </li>
+          {
+            showRegister &&
+            <li className="nav-item">
+              <Link className="nav-link" to="/subdomains">Register subdomains</Link>
+            </li>
+          }
+          {
+            showAdmin &&
+            <li className="nav-item">
+              <Link className="nav-link" to="/admin">Admin</Link>
+            </li>
+          }
           <li className="nav-item">
-            <Link className="nav-link" to="/subdomains">Create subdomains</Link>
+            <Link className="nav-link" to="/faq">FAQ</Link>
           </li>
           <li className="nav-item">
-            <Link className="nav-link" to="/faq">FAQ</Link>
+            <Link className="btn btn btn-primary my-2 my-sm-0" to={!authenticatedAs ? '/login' : ''}>
+              {authenticatedAs || 'Login'}
+            </Link>
           </li>
         </ul>
       </div>
     </div>
   </nav>
 );
+
+const mapStateToProps = ({ app }) => ({
+  authenticatedAs: app.auth.permissions.length > 0 && app.domain,
+  showRegister: app.auth.permissions.includes(REGISTRANT),
+  showAdmin: app.auth.permissions.includes(NODE_OWNER),
+});
+
+export default connect(mapStateToProps)(Header);
diff --git a/app/src/components/Home.js b/app/src/components/Home.js
index e756271..f1d39c1 100644
--- a/app/src/components/Home.js
+++ b/app/src/components/Home.js
@@ -6,26 +6,35 @@ import {
   InputGroup,
   FormControl,
   FormGroup,
+  Row,
+  Col,
 } from 'react-bootstrap';
 import { Link } from 'react-router-dom';
+import { isValidLabel } from '../lib';
 
 export default class extends Component {
   constructor(props) {
     super(props);
 
     this.state = {
-      domain: '',
+      label: '',
+      valid: true,
     };
 
-    this.handleChangeDomain = this.handleChangeDomain.bind(this);
+    this.handleChangeLabel = this.handleChangeLabel.bind(this);
   }
 
-  handleChangeDomain(event) {
-    this.setState({ domain: event.target.value });
+  handleChangeLabel(event) {
+    const label = event.target.value;
+
+    this.setState({
+      label,
+      valid: isValidLabel(label),
+    });
   }
 
   render() {
-    const { domain } = this.state;
+    const { label, valid } = this.state;
 
     return (
       <Container>
@@ -35,43 +44,70 @@ export default class extends Component {
             Use this tool to create subdomains in batch.
           </p>
           <hr />
-          <h3>Requirements</h3>
-          <a
-            href="https://chrome.google.com/webstore/detail/nifty-wallet/jbdaocneiiinmjbjlgalhcelgbejmnid"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Nifty Wallet
-          </a>
-          {' (recommended) or '}
-          <a
-            href="https://metamask.io"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Metamask
-          </a>
+          <h2>Requirements</h2>
+          <Row>
+            <Col>
+              <h3>Browser wallet</h3>
+              <a
+                href="https://chrome.google.com/webstore/detail/nifty-wallet/jbdaocneiiinmjbjlgalhcelgbejmnid"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+              Nifty Wallet
+              </a>
+              {' (recommended) or '}
+              <a
+                href="https://metamask.io"
+                target="_blank"
+                rel="noopener noreferrer"
+              >
+              Metamask
+              </a>
+            </Col>
+          </Row>
           <hr />
-          An RNS name
-          <br />
-          <i>Skip this if you already own one with your browser wallet.</i>
-          <Form onSubmit={(event) => {
-            event.preventDefault();
-            window.location.href(`https://manager.rns.rifos.org/register?name=${domain}`);
-          }}
-          >
-            <FormGroup>
-              <InputGroup>
-                <FormControl type="text" onChange={this.handleChangeDomain} />
-                <InputGroup.Append>
-                  <Button type="submit">Register</Button>
-                </InputGroup.Append>
-              </InputGroup>
-            </FormGroup>
-          </Form>
+          <Row>
+            <Col>
+              <h3>An RNS domain</h3>
+              <Form
+                onSubmit={(event) => {
+                  event.preventDefault();
+                  if (valid) window.open(`https://manager.rns.rifos.org/search?domain=${label}`);
+                }}
+                method="get"
+                target="_blank"
+              >
+                <FormGroup>
+                  <InputGroup>
+                    <FormControl type="text" onChange={this.handleChangeLabel} className={!valid && 'is-invalid'} />
+                    <InputGroup.Append>
+                      <InputGroup.Text>.rsk</InputGroup.Text>
+                    </InputGroup.Append>
+                    <InputGroup.Append>
+                      <Button type="submit">Register</Button>
+                    </InputGroup.Append>
+                  </InputGroup>
+                  {
+                    !valid
+                    && (
+                    <Form.Text className="text-muted">
+                      Only lower cases or numbers.
+                    </Form.Text>
+                    )
+                  }
+                </FormGroup>
+              </Form>
+              <i>Skip this if you already own one with your browser wallet.</i>
+            </Col>
+          </Row>
           <hr />
-          <Link to="/setup">Setup</Link>
-          {' your domain'}
+          <Row>
+            <Col>
+              <h3>Setup</h3>
+              <Link to="/setup">Setup</Link>
+              {' your domain to register subdomains in batch'}
+            </Col>
+          </Row>
         </div>
       </Container>
     );
diff --git a/app/src/components/NotFound.js b/app/src/components/NotFound.js
new file mode 100644
index 0000000..72f365c
--- /dev/null
+++ b/app/src/components/NotFound.js
@@ -0,0 +1,12 @@
+import React from 'react';
+import { Container, Row, Col } from 'react-bootstrap';
+
+export default () => (
+  <Container className="text-center">
+    <Row>
+      <Col>
+        <p>404. Not found.</p>
+      </Col>
+    </Row>
+  </Container>
+);
diff --git a/app/src/components/Register.js b/app/src/components/Register.js
new file mode 100644
index 0000000..a7f688c
--- /dev/null
+++ b/app/src/components/Register.js
@@ -0,0 +1,76 @@
+import React from 'react';
+import {
+  Container,
+  Row,
+  Col,
+  Form,
+  FormGroup,
+  Button,
+} from 'react-bootstrap';
+import { connect } from 'react-redux';
+import { register } from '../operations';
+import Tx from './Tx';
+
+const Register = ({ register, data, registerResults }) => (
+  <Container className="text-center">
+    <div className="col-lg-12 main-title-box">
+      <h1><b>Execute registration</b></h1>
+    </div>
+    {
+      data.map((dataRow, i) => {
+        const { tx, error, registering, index } = registerResults[i];
+
+        return (
+          <Row key={index}>
+            <Col>From {dataRow.from} to {dataRow.to}</Col>
+            <Col>
+              <Form onSubmit={(e) => {
+                e.preventDefault();
+                register(dataRow.value[0], dataRow.value[1], index);
+              }}
+              >
+                {
+                  !tx &&
+                  <FormGroup>
+                    <Button type="submit" disabled={registering || (tx && !!tx.transactionHash)}>Register</Button>
+                  </FormGroup>
+                }
+                {tx && <small className="text-success"><Tx tx={tx.transactionHash} /></small>}
+                {error && <small className="text-danger">{error.message}</small>}
+              </Form>
+            </Col>
+          </Row>
+        );
+      })
+    }
+  </Container>
+);
+
+const mapStateToProps = ({ app }) => ({
+  data: app.parsed,
+  domain: app.domain,
+  owner: app.owner,
+  registerResults: app.register,
+});
+
+const mapDispatchToProps = (dispatch) => ({
+  register: (domain, labels, addresses, from, index) => dispatch(register(domain, labels, addresses, from, index)),
+});
+
+const mergeProps = (stateProps, dispatchProps, ownProps) => ({
+  ...ownProps,
+  ...stateProps,
+  register: (labels, addresses, index) => dispatchProps.register(
+    stateProps.domain,
+    labels,
+    addresses,
+    stateProps.owner,
+    index,
+  ),
+});
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps,
+  mergeProps,
+)(Register);
diff --git a/app/src/components/Setup.js b/app/src/components/Setup.js
index 08554c4..3a4af01 100644
--- a/app/src/components/Setup.js
+++ b/app/src/components/Setup.js
@@ -1,59 +1,93 @@
 import React from 'react';
 import { connect } from 'react-redux';
-import { Container } from 'react-bootstrap';
+import {
+  Container, Row, Col, OverlayTrigger, Tooltip,
+} from 'react-bootstrap';
 import { Link } from 'react-router-dom';
 import ValidateOwnership from './ValidateOwnership';
 import Claim from './Claim';
 import TransferToRegistrar from './TransferToRegistrar';
 
 const Setup = ({ domain, claimed, transferred }) => (
-  <Container>
-    <div className="col-lg-12 text-center main-title-box">
+  <Container className="text-center">
+    <div className="col-lg-12 main-title-box">
       <h1><b>Setup</b></h1>
-      {
-        domain
-          ? <h3>{domain}</h3>
-          : (
-            <>
-              <p>Authenticate your domain</p>
-              <ValidateOwnership />
-              <i>Check the domain you will use to register subdomains of.</i>
-            </>
-          )
-      }
-      {
-        domain
-        && (
-          <>
-            <hr />
-            <p>Now you have to execute 2 transactions. You need to do this just once.</p>
-            <p>Claim your domain in the batch registrar contract.</p>
-            <Claim />
-            <p>Transfer ownership to Subdomain Registrar.</p>
-            <TransferToRegistrar enabled={claimed} />
-            <i>
-            Subdomain Registrar will sponsor your domain momentarily
-            to register subdomains in batch.
-            </i>
-          </>
-        )
-      }
-      {
-        domain && transferred
-        && (
-          <>
-            <hr />
-            <p>
-            Please
-              {' '}
-              <Link to="/subdomains">validate your csv files</Link>
-              {' '}
-before executing any registration.
-            </p>
-          </>
-        )
-      }
     </div>
+    <p>
+      The setup process consist of transferring the domain momentarily
+      to the subdomain registrar, a smart contract that allows to register
+      subdomains to selected operators.
+    </p>
+    <Row>
+      <Col>
+        {domain ? <h2>{domain}</h2> : <ValidateOwnership />}
+      </Col>
+    </Row>
+    {
+      domain
+      && (
+        <>
+          <hr />
+          <Row>
+            <Col>
+              <p>Now you have to execute 2 transactions. You will need to do this just once.</p>
+              <p>
+                Claim your domain
+                {' '}
+                <OverlayTrigger
+                  placement="top"
+                  overlay={(
+                    <Tooltip id="tooltip1-top">
+                      Claim your domain in the batch registrar contract. This will set you as the
+                      <span> </span>
+                      admin of the domain and the only registrant. Will also give you permission to
+                      <span> </span>
+                      add ore remove other registrants, and recover your domain ownership.
+                    </Tooltip>
+                  )}
+                >
+                  <span className="text-info"> ?</span>
+                </OverlayTrigger>
+              </p>
+              <Claim />
+              <p>
+                Transfer ownership to Subdomain Registrar.
+                {' '}
+                <OverlayTrigger
+                  placement="top"
+                  overlay={(
+                    <Tooltip id="tooltip2-top">
+                      This will set the smart contract as the owner of the RNS domain.
+                      <span> </span>
+                      You can recover your domain ownership when you want to.
+                    </Tooltip>
+                  )}
+                >
+                  <span className="text-info"> ?</span>
+                </OverlayTrigger>
+              </p>
+              <TransferToRegistrar enabled={claimed} />
+            </Col>
+          </Row>
+        </>
+      )
+    }
+    {
+      domain && transferred
+      && (
+        <>
+          <hr />
+          <p>
+            Done!
+          </p>
+          <p>
+            {'Please '}
+            <Link to="/subdomains">validate your csv files</Link>
+            {' before executing any registration.'}
+          </p>
+        </>
+      )
+    }
   </Container>
 );
 
diff --git a/app/src/components/Subdomains.js b/app/src/components/Subdomains.js
index e48a4a1..0adc3a8 100644
--- a/app/src/components/Subdomains.js
+++ b/app/src/components/Subdomains.js
@@ -1,95 +1,191 @@
 import React, { Component } from 'react';
-import { Container, Table, Spinner, Button } from 'react-bootstrap';
+import {
+  Container, Table, Spinner, Button,
+} from 'react-bootstrap';
 import CSVReader from 'react-csv-reader';
 import { isAddress } from 'web3-utils';
+import { connect } from 'react-redux';
+import { isValidLabel } from '../lib';
+import { confirmParsed } from '../actions';
+import { push } from 'connected-react-router';
+import { sha3 } from 'web3-utils';
+
+const partSize = 50;
 
 const parseSolvedErrors = (errors) => {
-  let error = '';
+  let error = [];
+
+  if (errors.labelNoSpaces) error.push('No spaces');
+  if (errors.labelToLower) error.push('Lower cases');
+  if (errors.noMails) error.push('No mails');
+  if (errors.labelsNoEnie) error.push('No \'ñ\'');
+  if (errors.noSeparators) error.push('No _ - . ,')
+  if (errors.noTilde) error.push('No \'')
+
+  return error.map(e => (
+    <p key={e}>
+      {e}
+      <br />
+    </p>
+  ));
+};
 
-  if(errors.labelNoSpaces)
-    error += 'No spaces\n';
+const parseUnsolvedErrors = (errors) => {
+  let error = [];
 
-  if(errors.labelToLower)
-    error += 'Lower cases\n';
+  if (errors.invalidAddress) error.push('Invalid address');
+  if (errors.invalidLabel) error.push('Invalid label');
 
-  if(errors.noMails)
-    error += 'No mails\n';
+  return error.map(e => (
+    <p key={e}>
+      {e}
+      <br />
+    </p>
+  ));
+};
 
-  if(errors.labelsNoEnie)
-    error += `No 'ñ'\n`;
+const parsedToCsv = (parsed) => {
+  let result = '';
 
-  return error.trim();
+  for (let i = 0; i < parsed.length; i += 1)
+    result += `${parsed[i][0]},${parsed[i][1]}\n`;
+
+  return result;
 }
 
-const parseUnsolvedErrors = (errors) => {
-  let error = '';
+const download = (filename, text) => {
+  var element = document.createElement('a');
+  element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
+  element.setAttribute('download', filename);
+
+  element.style.display = 'none';
+  document.body.appendChild(element);
 
-  if(errors.invalidAddress)
-    error += 'Invalid address\n';
+  element.click();
 
-  return error.trim();
+  document.body.removeChild(element);
 }
-export default class extends Component {
+
+const parsedDataToParts = (parsedData) => {
+  const labels = []
+  const addresses = []
+
+  for (let i = 0; i < parsedData.length; i += 1) {
+    labels.push(sha3(parsedData[i][0]));
+    addresses.push(parsedData[i][1]);
+  }
+
+  const amountOfParts = Math.floor(labels.length / partSize);
+
+  const parts = []
+  for (let i = 0; i < amountOfParts; i += 1) {
+    parts.push({
+      from: i * partSize,
+      to: (i+1) * partSize,
+      value: [
+        labels.slice(i * partSize, (i+1) * partSize),
+        addresses.slice(i * partSize, (i+1) * partSize),
+      ],
+    });
+  }
+
+  parts.push({
+    from: amountOfParts * partSize,
+    to: labels.length,
+    value: [
+      labels.slice(amountOfParts * partSize, labels.length),
+      addresses.slice(amountOfParts * partSize, addresses.length),
+    ]
+  });
+
+  return parts;
+}
+
+class Subdomains extends Component {
   constructor(props) {
     super(props);
 
     this.state = {
       validating: false,
       data: null,
-      allSolvedConflicts: null,
-      allUnsolvedConflicts: null,
+      allSolvedConflicts: [],
+      allUnsolvedConflicts: [],
       parsed: null,
-      accepted: false,
     };
 
     this.handleUploadFile = this.handleUploadFile.bind(this);
     this.accept = this.accept.bind(this);
+    this.handleDownloadParsed = this.handleDownloadParsed.bind(this);
+    this.accept = this.accept.bind(this);
   }
 
-  handleUploadFile (data) {
+  handleUploadFile(data) {
     this.setState({ validating: true });
 
-    let allSolvedConflicts = [];
-    let allUnsolvedConflicts = [];
+    const allSolvedConflicts = [];
+    const allUnsolvedConflicts = [];
 
-    let parsed = [];
+    const parsed = [];
 
-    for (let i in data) {
-      let [domain, address] = data[i];
+    for (let i = 0; i < data.length; i += 1) {
+      let [label, address] = data[i];
 
       const solvedConflicts = {};
       const unsolvedConflicts = {};
 
-      if (domain.indexOf(' ') >= 0) {
-        domain = domain.replace(/ /g,'');
+      // solvable
+      if (label.indexOf(' ') >= 0) {
+        label = label.replace(/ /g, '');
         solvedConflicts.labelNoSpaces = true;
       }
 
-      if (domain !== domain.toLowerCase()) {
-        domain = domain.toLowerCase();
+      if (label !== label.toLowerCase()) {
+        label = label.toLowerCase();
         solvedConflicts.labelToLower = true;
       }
 
-      let indexOfAt = domain.indexOf('@');
+      const indexOfAt = label.indexOf('@');
       if (indexOfAt >= 0) {
-        domain = domain.slice(0, indexOfAt);
+        label = label.slice(0, indexOfAt);
         solvedConflicts.noMails = true;
       }
 
-      if (domain.indexOf('ñ') >= 0) {
-        domain = domain.replace(/(ñ)/g, 'n');
+      if (label.indexOf('ñ') >= 0) {
+        label = label.replace(/(ñ)/g, 'n');
         solvedConflicts.labelsNoEnie = true;
       }
 
+      if(label.match(/[-_.,]/g)) {
+        label = label.replace(/(\.)/g, '');
+        label = label.replace(/(_)/g, '');
+        label = label.replace(/(-)/g, '');
+        label = label.replace(/(,)/g, '');
+        solvedConflicts.noSeparators = true;
+      }
+
+      if(label.match(/[áéíóúü]/g)) {
+        label = label.replace(/(á)/g, 'a');
+        label = label.replace(/(é)/g, 'e');
+        label = label.replace(/(í)/g, 'i');
+        label = label.replace(/(ó)/g, 'o');
+        label = label.replace(/(ú)/g, 'u');
+        label = label.replace(/(ü)/g, 'u');
+        solvedConflicts.noTilde = true;
+      }
+
+      // unsolvable
       address = address.toLowerCase();
 
-      if(!isAddress(address)) {
+      if (!isAddress(address)) {
         unsolvedConflicts.invalidAddress = true;
       }
 
+      if (!isValidLabel(label))
+        unsolvedConflicts.invalidLabel = true;
+
       allSolvedConflicts.push(solvedConflicts);
       allUnsolvedConflicts.push(unsolvedConflicts);
-      parsed.push([domain, address])
+      parsed.push([label, address]);
     }
 
     this.setState({
@@ -101,63 +197,131 @@ export default class extends Component {
     });
   }
 
+  handleDownloadParsed() {
+    const { parsed } = this.state;
+
+    download(`subdomains-${Date.now()}.csv`, parsedToCsv(parsed));
+  }
+
   accept() {
-    this.setState({ accepted: true });
+    const { confirmParsed, goToRegister } = this.props;
+    const { parsed } = this.state;
+
+    confirmParsed(parsedDataToParts(parsed));
+    goToRegister();
   }
 
-  render () {
+  render() {
     const {
       validating,
       data,
       allSolvedConflicts,
       allUnsolvedConflicts,
       parsed,
-      accepted,
     } = this.state;
 
+    const anyUnsolved = allUnsolvedConflicts.length > 0 && allUnsolvedConflicts.some(c => Object.keys(c).length > 0);
+
+    const { domain } = this.props;
+
     return (
       <Container className="text-center">
         <div className="col-lg-12 main-title-box">
           <h1><b>Register subdomains</b></h1>
         </div>
         <p>
-          The <code>csv</code> file must include only two columns:
+          Register subdomains importing a <code>csv</code> file.
+        </p>
+        <p>
+          The
+          {' '}
+          <code>csv</code>
+          {' '}
+file must include only two columns:
             the labels to register in the first column
             and the address to set in the second column.
         </p>
         <p>
-          This app will validate all labels and addresses. Import the <code>csv</code> file and validate it.
+          First validate the entries. The app will apply some changes
+          <span> </span>and request to approve them before registering.
         </p>
         <CSVReader onFileLoaded={this.handleUploadFile} disabled={validating} />
         {validating && <Spinner animation="grow" />}
-        {!validating && parsed && !accepted && <Button onClick={this.accept}>Ok</Button>}
         {
-          !validating && parsed && !accepted &&
-          <Table>
-            <thead>
-              <tr>
-                <th>input</th>
-                <th>solved conflicts</th>
-                <th>unsolved conflicts</th>
-                <th>to register</th>
-              </tr>
-            </thead>
-            <tbody>
-              {
-                data.map((value, index) => (
-                  <tr key={index}>
-                    <td>{`(${value[0]}, ${value[1]})`}</td>
-                    <td className={Object.keys(allSolvedConflicts[index]).length > 0 ? 'table-warning' : ''}><p>{parseSolvedErrors(allSolvedConflicts[index])}</p></td>
-                    <td className={Object.keys(allUnsolvedConflicts[index]).length > 0 ? 'table-error' : ''}><p>{parseUnsolvedErrors(allUnsolvedConflicts[index])}</p></td>
-                    <td>{`(${parsed[index][0]}, ${parsed[index][1]})`}</td>
+          !validating && parsed && (
+            anyUnsolved ?
+            <p>
+              Some format conflict was found and not solved. Subdomains&#32;
+              Subdomains must be lowercase alfanumeric values and addresses&#32;
+              must be 20 bytes hex.
+            </p> :
+            <>
+              <p>
+                All found conflicts were solved. <Button variant="link" onClick={this.handleDownloadParsed}>Download</Button> the&#32;
+                resultant <code>csv</code> file.
+              </p>
+              <Button onClick={this.accept}>Register!</Button>
+            </>
+          )
+        }
+        <hr />
+        {
+          !validating && parsed
+          && (
+            <>
+              <p>Check all solved conflicts in yellow and unsolved in red.</p>
+              <Table>
+                <thead>
+                  <tr>
+                    <th>input</th>
+                    <th>solved conflicts</th>
+                    <th>unsolved conflicts</th>
+                    <th>to register</th>
                   </tr>
-                ))
-              }
-            </tbody>
-          </Table>
+                </thead>
+                <tbody>
+                  {
+                    data.map((value, index) => (
+                      <tr
+                        key={`${value[1]}${index}`}
+                        className={
+                          Object.keys(allUnsolvedConflicts[index]).length > 0 ?
+                          'table-danger' :
+                          (
+                            Object.keys(allSolvedConflicts[index]).length > 0 ?
+                            'table-warning' :
+                            ''
+                          )
+                        }
+                      >
+                        <td>{`(${value[0]}, ${value[1]})`}</td>
+                        <td >{parseSolvedErrors(allSolvedConflicts[index])}</td>
+                        <td>{parseUnsolvedErrors(allUnsolvedConflicts[index])}</td>
+                        <td>{`(${parsed[index][0]}.${domain}, ${parsed[index][1]})`}</td>
+                      </tr>
+                    ))
+                  }
+                </tbody>
+              </Table>
+            </>
+          )
         }
         <hr />
       </Container>
     );
   }
-};
+}
+
+const mapStateToProps = ({ app }) => ({
+  domain: app.domain,
+});
+
+const mapDispatchToProps = (dispatch) => ({
+  confirmParsed: (parsed) => dispatch(confirmParsed(parsed)),
+  goToRegister: () => dispatch(push('/register')),
+});
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps,
+)(Subdomains);
diff --git a/app/src/components/Tx.js b/app/src/components/Tx.js
index 2361cb6..8a8b99f 100644
--- a/app/src/components/Tx.js
+++ b/app/src/components/Tx.js
@@ -1,3 +1,7 @@
 import React from 'react';
 
-export default ({ tx }) => <a href={`${process.env.REACT_APP_RSK_EXPLORER}/tx/${tx}`}>{tx}</a>;
+export default ({ tx }) => <a
+  href={`${process.env.REACT_APP_RSK_EXPLORER}/tx/${tx}`}
+  target="_blank"
+  rel="noopener noreferrer"
+>{tx}</a>;
diff --git a/app/src/components/ValidateOwnership.js b/app/src/components/ValidateOwnership.js
index ddaba89..c53f286 100644
--- a/app/src/components/ValidateOwnership.js
+++ b/app/src/components/ValidateOwnership.js
@@ -38,18 +38,32 @@ class ValidateOwnershipComponent extends Component {
 
     return (
       <Form onSubmit={this.validate}>
-        <InputGroup>
-          <FormControl type="text" placeholder="domain.rsk" disabled={loading} onChange={this.handleChangeValue} />
-          <InputGroup.Append>
-            <Button type="submit" disabled={loading}>Validate</Button>
-          </InputGroup.Append>
-        </InputGroup>
-        {
-          loading && <Spinner variant="grow" />
-        }
-        {
-          error && <small className="text-danger">{error}</small>
-        }
+        <Form.Group>
+          <Form.Label>Choose the domain to register subdomains of</Form.Label>
+          <InputGroup>
+            <FormControl type="text" placeholder="domain.rsk" disabled={loading} onChange={this.handleChangeValue} />
+            <InputGroup.Append>
+              <Button type="submit" disabled={loading}>Validate</Button>
+            </InputGroup.Append>
+          </InputGroup>
+          {
+            loading && <Spinner variant="grow" />
+          }
+          {
+            error
+            && (
+              <>
+                <small className="text-danger">{error}</small>
+                <br />
+                <small>
+                  Check you are connected to RSK network with
+                  <span> </span>
+                  the owner&aposs wallet unlocked.
+                </small>
+              </>
+            )
+          }
+        </Form.Group>
       </Form>
     );
   }
diff --git a/app/src/components/index.js b/app/src/components/index.js
index 7e5d2c6..31a6dad 100644
--- a/app/src/components/index.js
+++ b/app/src/components/index.js
@@ -4,4 +4,7 @@ export { default as Footer } from './Footer';
 export { default as Home } from './Home';
 export { default as Setup } from './Setup';
 export { default as Subdomains } from './Subdomains';
+export { default as Register } from './Register';
 export { default as FAQ } from './FAQ';
+export { default as Auth } from './Auth';
+export { default as NotFound } from './NotFound';
diff --git a/app/src/configureStore.js b/app/src/configureStore.js
index 234640c..7f29511 100644
--- a/app/src/configureStore.js
+++ b/app/src/configureStore.js
@@ -5,7 +5,7 @@ import thunk from 'redux-thunk';
 import { createLogger } from 'redux-logger';
 import createRootReducer from './reducer';
 
-export const history = createBrowserHistory();
+export const history = createBrowserHistory({ basename: '/rns-subdomain-batch' });
 
 const middleware = [thunk, routerMiddleware(history)];
 
diff --git a/app/src/lib/domains.js b/app/src/lib/domains.js
new file mode 100644
index 0000000..d4881c5
--- /dev/null
+++ b/app/src/lib/domains.js
@@ -0,0 +1,2 @@
+// eslint-disable-next-line import/prefer-default-export
+export const isValidLabel = (label) => label.length > 0 && !!label.match(/^[a-z0-9]+$/i);
diff --git a/app/src/lib/index.js b/app/src/lib/index.js
new file mode 100644
index 0000000..d5fbdb1
--- /dev/null
+++ b/app/src/lib/index.js
@@ -0,0 +1,2 @@
+// eslint-disable-next-line import/prefer-default-export
+export { isValidLabel } from './domains';
diff --git a/app/src/operations.js b/app/src/operations.js
index cccf2f3..9890550 100644
--- a/app/src/operations.js
+++ b/app/src/operations.js
@@ -4,7 +4,9 @@ import {
   requestValidateOwnership, receiveValidateOwnership, errorValidateOwnership,
   requestTransferToRegistrar, receiveTransferToRegistrar, errorTransferToRegistrar,
   requestClaim, receiveClaim, errorClaim,
+  requestAuth, receiveAuth, errorAuth, requestRegister, receiveRegister, errorRegister,
 } from './actions';
+import { NODE_OWNER, REGISTRANT } from './types';
 
 // This method will validate ownrship of the domain with
 // the account unlocked in Nifty Wallet.
@@ -42,7 +44,7 @@ export const validateOwnership = (domain) => (dispatch) => {
       const owner = _owner.toLowerCase();
 
       if (owner === account) dispatch(receiveValidateOwnership(domain, owner));
-      else dispatch(errorValidateOwnership('Not owner'));
+      else dispatch(errorValidateOwnership('Not domain\'s owner'));
     })
     .catch(errorValidateOwnership);
 };
@@ -100,3 +102,118 @@ export const transferToRegistrar = (domain, from) => (dispatch) => {
     .then((tx) => dispatch(receiveTransferToRegistrar(tx)))
     .catch((error) => dispatch(errorTransferToRegistrar(error)));
 };
+
+export const auth = (domain) => (dispatch) => {
+  dispatch(requestAuth());
+
+  const web3 = new Web3(process.env.REACT_APP_RSK_NODE);
+
+  const registrar = new web3.eth.Contract([
+    {
+      "constant": true,
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "node",
+          "type": "bytes32"
+        },
+        {
+          "internalType": "address",
+          "name": "registrant",
+          "type": "address"
+        }
+      ],
+      "name": "isRegistrant",
+      "outputs": [
+        {
+          "internalType": "bool",
+          "name": "",
+          "type": "bool"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+    {
+      "constant": true,
+      "inputs": [
+        {
+          "internalType": "bytes32",
+          "name": "",
+          "type": "bytes32"
+        }
+      ],
+      "name": "nodeOwner",
+      "outputs": [
+        {
+          "internalType": "address",
+          "name": "",
+          "type": "address"
+        }
+      ],
+      "payable": false,
+      "stateMutability": "view",
+      "type": "function"
+    },
+  ], process.env.REACT_APP_BATCH_REGISTRAR);
+
+  const node = namehash.hash(domain);
+
+  let account;
+  let permissions = [];
+
+  return window.ethereum.enable()
+    .then((accounts) => {
+      account = accounts[0].toLowerCase();
+    })
+    .then(() => registrar.methods.isRegistrant(node, account).call())
+    .then(result => {
+      if(result)
+        permissions.push(REGISTRANT);
+    })
+    .then(() => registrar.methods.nodeOwner(node).call())
+    .then(owner => {
+      if(owner.toLowerCase() === account)
+        permissions.push(NODE_OWNER);
+    })
+    .then(() => dispatch(receiveAuth(domain, account, permissions)))
+    .catch(error => dispatch(errorAuth(error)));
+}
+
+export const register = (domain, labels, addresses, from, index) => (dispatch) => {
+  dispatch(requestRegister(index));
+
+  const web3 = new Web3(window.web3);
+
+  const registrar = new web3.eth.Contract([
+    {
+      "constant": false,
+      "inputs": [
+        {
+          "name": "rootNode",
+          "type": "bytes32"
+        },
+        {
+          "name": "labels",
+          "type": "bytes32[]"
+        },
+        {
+          "name": "addrs",
+          "type": "address[]"
+        }
+      ],
+      "name": "register",
+      "outputs": [],
+      "payable": false,
+      "stateMutability": "nonpayable",
+      "type": "function"
+    }
+  ], process.env.REACT_APP_BATCH_REGISTRAR);
+
+  const node = namehash.hash(domain);
+
+  return registrar.methods.register(node, labels, addresses).send({ from })
+  .then((tx) => dispatch(receiveRegister(tx, index)))
+  .catch((error) => dispatch(errorRegister(error, index)));
+}
diff --git a/app/src/reducer.js b/app/src/reducer.js
index ca2b862..48459a7 100644
--- a/app/src/reducer.js
+++ b/app/src/reducer.js
@@ -5,6 +5,9 @@ import {
   ERROR_VALIDATE_OWNERSHIP, CLEAN_VALIDATE_OWNERSHIP,
   REQUEST_TRANSFER_TO_REGISTRAR, RECEIVE_TRANSFER_TO_REGISTRAR, ERROR_TRANSFER_TO_REGISTRAR,
   REQUEST_CLAIM, RECEIVE_CLAIM, ERROR_CLAIM,
+  REQUEST_AUTH, RECEIVE_AUTH, ERROR_AUTH,
+  NODE_OWNER, REGISTRANT, CONFIRM_PARSED,
+  REQUEST_REGISTER, RECEIVE_REGISTER, ERROR_REGISTER,
 } from './types';
 
 const initialState = {
@@ -25,8 +28,22 @@ const initialState = {
     tx: null,
     error: null,
   },
+  auth: {
+    permissions: [],
+    authenticating: false,
+    error: null,
+  },
+  parsed: null,
+  register: [],
 };
 
+const createRegistration = (index) => ({
+  index,
+  tx: null,
+  error: null,
+  registering: false,
+});
+
 const reducer = (state = initialState, action) => {
   switch (action.type) {
     case REQUEST_VALIDATE_OWNERSHIP: return {
@@ -104,6 +121,9 @@ const reducer = (state = initialState, action) => {
         tx: action.tx,
         error: null,
       },
+      auth: {
+        permissions: [NODE_OWNER, REGISTRANT]
+      }
     };
     case ERROR_TRANSFER_TO_REGISTRAR: return {
       ...state,
@@ -113,6 +133,72 @@ const reducer = (state = initialState, action) => {
         error: action.error,
       },
     };
+    case REQUEST_AUTH: return {
+      ...state,
+      domain: null,
+      auth: {
+        authenticating: true,
+        permissions: [],
+        error: null,
+      },
+    };
+    case RECEIVE_AUTH: return {
+      ...state,
+      domain: action.domain,
+      owner: action.owner,
+      auth: {
+        authenticating: false,
+        permissions: action.permissions,
+        error: null,
+      },
+    };
+    case ERROR_AUTH: return {
+      ...state,
+      domain: null,
+      auth: {
+        authenticating: false,
+        permissions: [],
+        error: action.error,
+      },
+    };
+    case CONFIRM_PARSED: {
+      let register = [];
+      for(let i = 0; i < action.parsed.length; i += 1)
+        register.push(createRegistration(i));
+
+      return {
+        ...state,
+        parsed: action.parsed,
+        register,
+      }
+    }
+    case REQUEST_REGISTER: return {
+      ...state,
+      register: state.register.map(r => r.index === action.index ? {
+        index: r.index,
+        tx: null,
+        error: null,
+        registering: true,
+      } : r),
+    };
+    case RECEIVE_REGISTER: return {
+      ...state,
+      register: state.register.map(r => r.index === action.index ? {
+        index: r.index,
+        tx: action.tx,
+        error: null,
+        registering: false,
+      } : r),
+    };
+    case ERROR_REGISTER: return {
+      ...state,
+      register: state.register.map(r => r.index === action.index ? {
+        index: r.index,
+        tx: null,
+        error: action.error,
+        registering: false,
+      } : r ),
+    };
     default: return state;
   }
 };
diff --git a/app/src/types.js b/app/src/types.js
index c16a016..5b82dae 100644
--- a/app/src/types.js
+++ b/app/src/types.js
@@ -3,10 +3,22 @@ export const RECEIVE_VALIDATE_OWNERSHIP = 'RECEIVE_VALIDATE_OWNERSHIP';
 export const ERROR_VALIDATE_OWNERSHIP = 'ERROR_VALIDATE_OWNERSHIP';
 export const CLEAN_VALIDATE_OWNERSHIP = 'CLEAN_VALIDATE_OWNERSHIP';
 
-export const REQUEST_CLAIM = 'REQUEST_CALIM';
+export const REQUEST_CLAIM = 'REQUEST_CLAIM';
 export const RECEIVE_CLAIM = 'RECEIVE_CLAIM';
 export const ERROR_CLAIM = 'ERROR_CLAIM';
 
 export const REQUEST_TRANSFER_TO_REGISTRAR = 'REQUEST_TRANSFER_TO_REGISTRAR';
 export const RECEIVE_TRANSFER_TO_REGISTRAR = 'RECEIVE_TRANSFER_TO_REGISTRAR';
 export const ERROR_TRANSFER_TO_REGISTRAR = 'ERROR_TRANSFER_TO_REGISTRAR';
+
+export const REQUEST_AUTH = 'REQUEST_AUTH';
+export const RECEIVE_AUTH = 'RECEIVE_AUTH';
+export const ERROR_AUTH = 'ERROR_AUTH';
+export const NODE_OWNER = 'NODE_OWNER';
+export const REGISTRANT = 'REGISTRANT';
+
+export const CONFIRM_PARSED = 'CONFIRM_PARSED';
+
+export const REQUEST_REGISTER = 'REQUEST_REGISTER';
+export const RECEIVE_REGISTER = 'RECEIVE_REGISTER';
+export const ERROR_REGISTER = 'ERROR_REGISTER';
diff --git a/app/yarn.lock b/app/yarn.lock
index ac28e3b..252fe0f 100644
--- a/app/yarn.lock
+++ b/app/yarn.lock
@@ -1980,7 +1980,7 @@ async-limiter@~1.0.0:
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
   integrity sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ==
 
-async@^2.6.2:
+async@^2.6.1, async@^2.6.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
   integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==
@@ -2885,7 +2885,7 @@ commander@2.17.x:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
   integrity sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==
 
-commander@^2.11.0, commander@^2.20.0, commander@~2.20.3:
+commander@^2.11.0, commander@^2.18.0, commander@^2.20.0, commander@~2.20.3:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
@@ -3875,6 +3875,11 @@ elliptic@^6.0.0, elliptic@^6.4.0, elliptic@^6.5.2:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.0"
 
+email-addresses@^3.0.1:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/email-addresses/-/email-addresses-3.1.0.tgz#cabf7e085cbdb63008a70319a74e6136188812fb"
+  integrity sha512-k0/r7GrWVL32kZlGwfPNgB2Y/mMXVTq/decgLczm/j34whdaspNrZO8CnXPf1laaHxI6ptUlsnAxN+UAPw+fzg==
+
 emoji-regex@^7.0.1, emoji-regex@^7.0.2:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -4679,6 +4684,28 @@ file-uri-to-path@1.0.0:
   resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
   integrity sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==
 
+filename-reserved-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/filename-reserved-regex/-/filename-reserved-regex-1.0.0.tgz#e61cf805f0de1c984567d0386dc5df50ee5af7e4"
+  integrity sha1-5hz4BfDeHJhFZ9A4bcXfUO5a9+Q=
+
+filenamify-url@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/filenamify-url/-/filenamify-url-1.0.0.tgz#b32bd81319ef5863b73078bed50f46a4f7975f50"
+  integrity sha1-syvYExnvWGO3MHi+1Q9GpPeXX1A=
+  dependencies:
+    filenamify "^1.0.0"
+    humanize-url "^1.0.0"
+
+filenamify@^1.0.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/filenamify/-/filenamify-1.2.1.tgz#a9f2ffd11c503bed300015029272378f1f1365a5"
+  integrity sha1-qfL/0RxQO+0wABUCknI3jx8TZaU=
+  dependencies:
+    filename-reserved-regex "^1.0.0"
+    strip-outer "^1.0.0"
+    trim-repeated "^1.0.0"
+
 filesize@3.6.1:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.6.1.tgz#090bb3ee01b6f801a8a8be99d31710b3422bb317"
@@ -5020,6 +5047,20 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
+gh-pages@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/gh-pages/-/gh-pages-2.1.1.tgz#5be70a92f9cb70404bafabd8bb149c0e9a8c264b"
+  integrity sha512-yNW2SFp9xGRP/8Sk2WXuLI/Gn92oOL4HBgudn6PsqAnuWT90Y1tozJoTfX1WdrDSW5Rb90kLVOf5mm9KJ/2fDw==
+  dependencies:
+    async "^2.6.1"
+    commander "^2.18.0"
+    email-addresses "^3.0.1"
+    filenamify-url "^1.0.0"
+    fs-extra "^7.0.0"
+    globby "^6.1.0"
+    graceful-fs "^4.1.11"
+    rimraf "^2.6.2"
+
 glob-parent@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
@@ -5509,6 +5550,14 @@ https-browserify@^1.0.0:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
+humanize-url@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/humanize-url/-/humanize-url-1.0.1.tgz#f4ab99e0d288174ca4e1e50407c55fbae464efff"
+  integrity sha1-9KuZ4NKIF0yk4eUEB8VfuuRk7/8=
+  dependencies:
+    normalize-url "^1.0.0"
+    strip-url-auth "^1.0.0"
+
 iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
@@ -7539,7 +7588,7 @@ normalize-range@^0.1.2:
   resolved "https://registry.yarnpkg.com/normalize-range/-/normalize-range-0.1.2.tgz#2d10c06bdfd312ea9777695a4d28439456b75942"
   integrity sha1-LRDAa9/TEuqXd2laTShDlFa3WUI=
 
-normalize-url@1.9.1:
+normalize-url@1.9.1, normalize-url@^1.0.0:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-1.9.1.tgz#2cc0d66b31ea23036458436e3620d85954c66c3c"
   integrity sha1-LMDWazHqIwNkWENuNiDYWVTGbDw=
@@ -9837,7 +9886,7 @@ rimraf@2.6.3:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.3, rimraf@^2.7.1:
+rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.2, rimraf@^2.6.3, rimraf@^2.7.1:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
   integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
@@ -10652,6 +10701,18 @@ strip-json-comments@~2.0.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
   integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
 
+strip-outer@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-outer/-/strip-outer-1.0.1.tgz#b2fd2abf6604b9d1e6013057195df836b8a9d631"
+  integrity sha512-k55yxKHwaXnpYGsOzg4Vl8+tDrWylxDEpknGjhTiZB8dFRU5rTo9CAzeycivxV3s+zlTKwrs6WxMxR95n26kwg==
+  dependencies:
+    escape-string-regexp "^1.0.2"
+
+strip-url-auth@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-url-auth/-/strip-url-auth-1.0.1.tgz#22b0fa3a41385b33be3f331551bbb837fa0cd7ae"
+  integrity sha1-IrD6OkE4WzO+PzMVUbu4N/oM164=
+
 style-loader@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-1.0.0.tgz#1d5296f9165e8e2c85d24eee0b7caf9ec8ca1f82"
@@ -10969,6 +11030,13 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
+trim-repeated@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-repeated/-/trim-repeated-1.0.0.tgz#e3646a2ea4e891312bf7eace6cfb05380bc01c21"
+  integrity sha1-42RqLqTokTEr9+rObPsFOAvAHCE=
+  dependencies:
+    escape-string-regexp "^1.0.2"
+
 ts-pnp@1.1.5, ts-pnp@^1.1.2:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.1.5.tgz#840e0739c89fce5f3abd9037bb091dbff16d9dec"
diff --git a/migrations/1_initial_migration.js b/migrations/1_initial_migration.js
deleted file mode 100644
index ee2135d..0000000
--- a/migrations/1_initial_migration.js
+++ /dev/null
@@ -1,5 +0,0 @@
-const Migrations = artifacts.require("Migrations");
-
-module.exports = function(deployer) {
-  deployer.deploy(Migrations);
-};
diff --git a/migrations/2_SubdomainBatchRegistrar.js b/migrations/2_SubdomainBatchRegistrar.js
index acb33eb..4d40dbb 100644
--- a/migrations/2_SubdomainBatchRegistrar.js
+++ b/migrations/2_SubdomainBatchRegistrar.js
@@ -4,11 +4,9 @@ const SubdomainBatchRegistrar = artifacts.require('SubdomainBatchRegistrar');
 
 const namehash = require('eth-ens-namehash').hash;
 
-const indexOfRootDomain = process.argv.indexOf('--rootNode');
-
 module.exports = (deployer, network, accounts) => {
   return deployer.then(async () => {
-    let rns, resolver, registrar;
+    let rns, resolver;
 
     if (network === 'develop' || network === 'ganache') {
       rns = await deployer.deploy(RNS);
diff --git a/package-lock.json b/package-lock.json
index 6da0175..38e6958 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -143,6 +143,105 @@
       "integrity": "sha512-x55rtRuNfRO1azmZ30iR0pf0OJ6flQqbax1hJz+Avk1K5fdmOv5cr22s9qFnwTWnS6Bw0jvJEoR0ITsM7cPKtQ==",
       "dev": true
     },
+    "@truffle/hdwallet-provider": {
+      "version": "1.0.28",
+      "resolved": "https://registry.npmjs.org/@truffle/hdwallet-provider/-/hdwallet-provider-1.0.28.tgz",
+      "integrity": "sha512-Vizbs+XTzUyK51qsAw+QSjU1mWGUgWHykCqoKetpoYYYwOWhmQL/gzDANCuEv1rfxHgfMcYwNprMUYlRovd6yQ==",
+      "dev": true,
+      "requires": {
+        "any-promise": "^1.3.0",
+        "bindings": "^1.5.0",
+        "bip39": "^2.4.2",
+        "ethereum-protocol": "^1.0.1",
+        "ethereumjs-tx": "^1.0.0",
+        "ethereumjs-util": "^6.1.0",
+        "ethereumjs-wallet": "^0.6.3",
+        "web3": "1.2.1",
+        "web3-provider-engine": "git+https://github.com/trufflesuite/provider-engine.git#web3-one"
+      },
+      "dependencies": {
+        "eth-lib": {
+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
+        },
+        "ethereumjs-tx": {
+          "version": "1.3.7",
+          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+          "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+          "dev": true,
+          "requires": {
+            "ethereum-common": "^0.0.18",
+            "ethereumjs-util": "^5.0.0"
+          },
+          "dependencies": {
+            "ethereumjs-util": {
+              "version": "5.2.0",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
+              "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+              "dev": true,
+              "requires": {
+                "bn.js": "^4.11.0",
+                "create-hash": "^1.1.2",
+                "ethjs-util": "^0.1.3",
+                "keccak": "^1.0.2",
+                "rlp": "^2.0.0",
+                "safe-buffer": "^5.1.1",
+                "secp256k1": "^3.0.1"
+              }
+            }
+          }
+        },
+        "keccak": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
+          "integrity": "sha512-eZVaCpblK5formjPjeTBik7TAg+pqnDrMHIffSvi9Lh7PQgM1+hSzakUeZFCk9DVVG0dacZJuaz2ntwlzZUIBw==",
+          "dev": true,
+          "requires": {
+            "bindings": "^1.2.1",
+            "inherits": "^2.0.3",
+            "nan": "^2.2.1",
+            "safe-buffer": "^5.1.0"
+          }
+        },
+        "web3": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3/-/web3-1.2.1.tgz",
+          "integrity": "sha512-nNMzeCK0agb5i/oTWNdQ1aGtwYfXzHottFP2Dz0oGIzavPMGSKyVlr8ibVb1yK5sJBjrWVnTdGaOC2zKDFuFRw==",
+          "dev": true,
+          "requires": {
+            "web3-bzz": "1.2.1",
+            "web3-core": "1.2.1",
+            "web3-eth": "1.2.1",
+            "web3-eth-personal": "1.2.1",
+            "web3-net": "1.2.1",
+            "web3-shh": "1.2.1",
+            "web3-utils": "1.2.1"
+          }
+        },
+        "web3-utils": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
+          "integrity": "sha512-Mrcn3l58L+yCKz3zBryM6JZpNruWuT0OCbag8w+reeNROSGVlXzUQkU+gtAwc9JCZ7tKUyg67+2YUGqUjVcyBA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randomhex": "0.1.5",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
+      }
+    },
     "@truffle/interface-adapter": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@truffle/interface-adapter/-/interface-adapter-0.4.1.tgz",
@@ -270,6 +369,15 @@
         }
       }
     },
+    "abstract-leveldown": {
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz",
+      "integrity": "sha512-2++wDf/DYqkPR3o5tbfdhF96EfMApo1GpPfzOsR/ZYXdkSmELlvOOEAl9iKkRsktMPHdGjO4rtkBpf2I7TiTeA==",
+      "dev": true,
+      "requires": {
+        "xtend": "~4.0.0"
+      }
+    },
     "accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -304,6 +412,18 @@
       "integrity": "sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==",
       "dev": true
     },
+    "ansi-regex": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
+    },
+    "ansi-styles": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
+      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
+      "dev": true
+    },
     "any-promise": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
@@ -348,6 +468,24 @@
       "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
       "dev": true
     },
+    "async": {
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "dev": true,
+      "requires": {
+        "lodash": "^4.17.14"
+      }
+    },
+    "async-eventemitter": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/async-eventemitter/-/async-eventemitter-0.2.4.tgz",
+      "integrity": "sha512-pd20BwL7Yt1zwDFy+8MX8F1+WCT8aQeKj0kQnTrH9WaeRETlRamVhD0JtRPmrV4GfOJ2F9CvdQkZeZhnh2TuHw==",
+      "dev": true,
+      "requires": {
+        "async": "^2.4.0"
+      }
+    },
     "async-limiter": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
@@ -372,6 +510,695 @@
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+      "resolved": "https://registry.npmjs.org/slash/-/slash-1.0.0.tgz",
+      "integrity": "sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=",
+      "dev": true
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+    "source-map": {
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+      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+      "dev": true
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+    "source-map-support": {
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+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
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+      "dev": true,
+      "requires": {
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+      }
+    },
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       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
@@ -2728,6 +5041,37 @@
       "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=",
       "dev": true
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+    "string.prototype.trim": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trim/-/string.prototype.trim-1.2.1.tgz",
+      "integrity": "sha512-MjGFEeqixw47dAMFMtgUro/I0+wNqZB5GKXGt1fFr24u3TzDXCPu7J9Buppzoe3r/LqkSDLDDJzE15RGWDGAVw==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.17.0-next.1",
+        "function-bind": "^1.1.1"
+      }
+    },
+    "string.prototype.trimleft": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.1.tgz",
+      "integrity": "sha512-iu2AGd3PuP5Rp7x2kEZCrB2Nf41ehzh+goo8TV7z8/XDBbsvc6HQIlUl9RjkZ4oyrW1XM5UwlGl1oVEaDjg6Ag==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "function-bind": "^1.1.1"
+      }
+    },
+    "string.prototype.trimright": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.1.tgz",
+      "integrity": "sha512-qFvWL3/+QIgZXVmJBfpHmxLB7xsUXz6HsUmP8+5dRaC3Q7oKUv9Vo6aMCRZC1smrtyECFsIT30PqBJ1gTjAs+g==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "function-bind": "^1.1.1"
+      }
+    },
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       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -2745,6 +5089,15 @@
         }
       }
     },
+    "strip-ansi": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "dev": true,
+      "requires": {
+        "ansi-regex": "^2.0.0"
+      }
+    },
     "strip-dirs": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/strip-dirs/-/strip-dirs-2.1.0.tgz",
@@ -2763,6 +5116,12 @@
         "is-hex-prefixed": "1.0.0"
       }
     },
+    "supports-color": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+      "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
+      "dev": true
+    },
     "swarm-js": {
       "version": "0.1.39",
       "resolved": "https://registry.npmjs.org/swarm-js/-/swarm-js-0.1.39.tgz",
@@ -2851,6 +5210,36 @@
         }
       }
     },
+    "tape": {
+      "version": "4.12.0",
+      "resolved": "https://registry.npmjs.org/tape/-/tape-4.12.0.tgz",
+      "integrity": "sha512-PWs/TopmfVeYyLNZnfKsoV160xjNq1LvX2SWzZTyhVYsDldR93p5Zp0lfmsY3BCpZdVMXBOkfYZFeScEfsFvKQ==",
+      "dev": true,
+      "requires": {
+        "deep-equal": "~1.1.1",
+        "defined": "~1.0.0",
+        "for-each": "~0.3.3",
+        "function-bind": "~1.1.1",
+        "glob": "~7.1.6",
+        "has": "~1.0.3",
+        "inherits": "~2.0.4",
+        "is-regex": "~1.0.5",
+        "minimist": "~1.2.0",
+        "object-inspect": "~1.7.0",
+        "resolve": "~1.13.1",
+        "resumer": "~0.0.0",
+        "string.prototype.trim": "~1.2.1",
+        "through": "~2.3.8"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
+      }
+    },
     "tar": {
       "version": "4.4.13",
       "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
@@ -2887,6 +5276,16 @@
       "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
       "dev": true
     },
+    "through2": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
+      "integrity": "sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==",
+      "dev": true,
+      "requires": {
+        "readable-stream": "~2.3.6",
+        "xtend": "~4.0.1"
+      }
+    },
     "timed-out": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
@@ -2899,6 +5298,12 @@
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       "dev": true
     },
+    "to-fast-properties": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
+      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
+      "dev": true
+    },
     "to-readable-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/to-readable-stream/-/to-readable-stream-1.0.0.tgz",
@@ -2929,6 +5334,12 @@
         }
       }
     },
+    "trim-right": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
+      "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
+      "dev": true
+    },
     "try-require": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/try-require/-/try-require-1.2.1.tgz",
@@ -2972,6 +5383,12 @@
         "mime-types": "~2.1.24"
       }
     },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "dev": true
+    },
     "typedarray-to-buffer": {
       "version": "3.1.5",
       "resolved": "https://registry.npmjs.org/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz",
@@ -3009,6 +5426,12 @@
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       "dev": true
     },
+    "unorm": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/unorm/-/unorm-1.6.0.tgz",
+      "integrity": "sha512-b2/KCUlYZUeA7JFUuRJZPUtr4gZvBh7tavtv4fvk4+KV9pfGiR6CQAQAWl49ZpR3ts2dk4FYkP7EIgDJoiOLDA==",
+      "dev": true
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -4018,6 +6441,81 @@
         }
       }
     },
+    "web3-provider-engine": {
+      "version": "git+https://github.com/trufflesuite/provider-engine.git#3538c60bc4836b73ccae1ac3f64c8fed8ef19c1a",
+      "from": "git+https://github.com/trufflesuite/provider-engine.git#web3-one",
+      "dev": true,
+      "requires": {
+        "async": "^2.5.0",
+        "backoff": "^2.5.0",
+        "clone": "^2.0.0",
+        "cross-fetch": "^2.1.0",
+        "eth-block-tracker": "^3.0.0",
+        "eth-json-rpc-infura": "^3.1.0",
+        "eth-sig-util": "^1.4.2",
+        "ethereumjs-block": "^1.2.2",
+        "ethereumjs-tx": "^1.2.0",
+        "ethereumjs-util": "^5.1.5",
+        "ethereumjs-vm": "^2.3.4",
+        "json-rpc-error": "^2.0.0",
+        "json-stable-stringify": "^1.0.1",
+        "promise-to-callback": "^1.0.0",
+        "readable-stream": "^2.2.9",
+        "request": "^2.85.0",
+        "semaphore": "^1.0.3",
+        "ws": "^5.1.1",
+        "xhr": "^2.2.0",
+        "xtend": "^4.0.1"
+      },
+      "dependencies": {
+        "ethereumjs-tx": {
+          "version": "1.3.7",
+          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+          "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+          "dev": true,
+          "requires": {
+            "ethereum-common": "^0.0.18",
+            "ethereumjs-util": "^5.0.0"
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
+          "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "ethjs-util": "^0.1.3",
+            "keccak": "^1.0.2",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1",
+            "secp256k1": "^3.0.1"
+          }
+        },
+        "keccak": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
+          "integrity": "sha512-eZVaCpblK5formjPjeTBik7TAg+pqnDrMHIffSvi9Lh7PQgM1+hSzakUeZFCk9DVVG0dacZJuaz2ntwlzZUIBw==",
+          "dev": true,
+          "requires": {
+            "bindings": "^1.2.1",
+            "inherits": "^2.0.3",
+            "nan": "^2.2.1",
+            "safe-buffer": "^5.1.0"
+          }
+        },
+        "ws": {
+          "version": "5.2.2",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
+          "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
+          "dev": true,
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        }
+      }
+    },
     "web3-providers-http": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.1.tgz",
@@ -4120,6 +6618,12 @@
         }
       }
     },
+    "whatwg-fetch": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz",
+      "integrity": "sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==",
+      "dev": true
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index 7bbdf96..05d8793 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
   },
   "devDependencies": {
     "@openzeppelin/test-helpers": "^0.5.1",
+    "@truffle/hdwallet-provider": "^1.0.28",
     "chai": "^4.2.0",
     "eth-ens-namehash": "^2.0.8",
     "mem": ">=4.0.0"
diff --git a/truffle-config.js b/truffle-config.js
index 7c6ee50..f4353b9 100644
--- a/truffle-config.js
+++ b/truffle-config.js
@@ -1,99 +1,24 @@
-/**
- * Use this file to configure your truffle project. It's seeded with some
- * common settings for different networks and features like migrations,
- * compilation and testing. Uncomment the ones you need or modify
- * them to suit your project as necessary.
- *
- * More information about configuration can be found at:
- *
- * truffleframework.com/docs/advanced/configuration
- *
- * To deploy via Infura you'll need a wallet provider (like truffle-hdwallet-provider)
- * to sign your transactions before they're sent to a remote public node. Infura accounts
- * are available for free at: infura.io/register.
- *
- * You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
- * public/private key pairs. If you're publishing your code to GitHub make sure you load this
- * phrase from a file you've .gitignored so it doesn't accidentally become public.
- *
- */
-
-// const HDWalletProvider = require('truffle-hdwallet-provider');
-// const infuraKey = "fj4jll3k.....";
-//
-// const fs = require('fs');
-// const mnemonic = fs.readFileSync(".secret").toString().trim();
+const HDWalletProvider = require('@truffle/hdwallet-provider');
+
+const fs = require('fs');
+let mnemonic;
+try {
+  mnemonic = fs.readFileSync(".secret").toString().trim();
+} catch (e) {
+  mnemonic = 'INVALID';
+}
 
 module.exports = {
-  /**
-   * Networks define how you connect to your ethereum client and let you set the
-   * defaults web3 uses to send transactions. If you don't specify one truffle
-   * will spin up a development blockchain for you on port 9545 when you
-   * run `develop` or `test`. You can ask a truffle command to use a specific
-   * network from the command line, e.g
-   *
-   * $ truffle test --network <network-name>
-   */
-
   networks: {
-    // Useful for testing. The `development` name is special - truffle uses it by default
-    // if it's defined here and no other network is specified at the command line.
-    // You should run a client (like ganache-cli, geth or parity) in a separate terminal
-    // tab if you use this network and you must also set the `host`, `port` and `network_id`
-    // options below to some value.
-    //
-    ganache: {
-     host: "127.0.0.1",     // Localhost (default: none)
-     port: 7545,            // Standard Ethereum port (default: none)
-     network_id: "*",       // Any network (default: none)
+    testnet: {
+      provider: () => new HDWalletProvider(mnemonic, 'https://public-node.testnet.rsk.co/1.1.0'),
+      network_id: 31,
+      gasPrice: 60000000,
+    },
+    mainnet: {
+      provider: () => new HDWalletProvider(mnemonic, 'https://public-node.rsk.co', 0, 1, true, `m/44'/137'/0'/0/`),
+      network_id: 30,
+      gasPrice: 60000000,
     },
-
-    // Another network with more advanced options...
-    // advanced: {
-      // port: 8777,             // Custom port
-      // network_id: 1342,       // Custom network
-      // gas: 8500000,           // Gas sent with each transaction (default: ~6700000)
-      // gasPrice: 20000000000,  // 20 gwei (in wei) (default: 100 gwei)
-      // from: <address>,        // Account to send txs from (default: accounts[0])
-      // websockets: true        // Enable EventEmitter interface for web3 (default: false)
-    // },
-
-    // Useful for deploying to a public network.
-    // NB: It's important to wrap the provider as a function.
-    // ropsten: {
-      // provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/YOUR-PROJECT-ID`),
-      // network_id: 3,       // Ropsten's id
-      // gas: 5500000,        // Ropsten has a lower block limit than mainnet
-      // confirmations: 2,    // # of confs to wait between deployments. (default: 0)
-      // timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
-      // skipDryRun: true     // Skip dry run before migrations? (default: false for public nets )
-    // },
-
-    // Useful for private networks
-    // private: {
-      // provider: () => new HDWalletProvider(mnemonic, `https://network.io`),
-      // network_id: 2111,   // This network is yours, in the cloud.
-      // production: true    // Treats this network as if it was a public net. (default: false)
-    // }
-  },
-
-  // Set default mocha options here, use special reporters etc.
-  mocha: {
-    // timeout: 100000
   },
-
-  // Configure your compilers
-  compilers: {
-    solc: {
-      // version: "0.5.1",    // Fetch exact version from solc-bin (default: truffle's version)
-      // docker: true,        // Use "0.5.1" you've installed locally with docker (default: false)
-      // settings: {          // See the solidity docs for advice about optimization and evmVersion
-      //  optimizer: {
-      //    enabled: false,
-      //    runs: 200
-      //  },
-      //  evmVersion: "byzantium"
-      // }
-    }
-  }
-}
+};