diff --git a/Gruntfile.js b/Gruntfile.js
index b48e9ff1c..3951d93c1 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -24,7 +24,7 @@ module.exports = function(grunt) {
         tasks: ['markdown']
       },
       scripts: {
-        files: ['**/*.js', '**/*.html', '!**/node_modules/**', '!browser/bundle.js', '!browser/testdata.js', '!lib/**js', '!browser/vendor-bundle.js', '!js/copayBundle.js'],
+        files: ['*.js', '**/*.js', '*.html', '!**/node_modules/**', '!lib/**js', '!browser/vendor-bundle.js', '!js/copayBundle.js'],
         tasks: ['shell'],
       },
     },
diff --git a/css/main.css b/css/main.css
index 635c5efb2..869544273 100644
--- a/css/main.css
+++ b/css/main.css
@@ -245,3 +245,8 @@ button.secondary:hover { background-color: #FFDF00 !important;}
 .br100 {border-radius: 100%;}
 
 
+input.ng-dirty.ng-invalid { 
+  border: 2px red solid;
+}
+
+
diff --git a/index.html b/index.html
index 9b077558b..20de40e1b 100644
--- a/index.html
+++ b/index.html
@@ -82,18 +82,6 @@
           Connecting to wallet...
         </div>
         <div ng-show="!loading">
-          <div class="row">
-            <div class="large-6 columns">
-              <h3>Join Wallet Creation</h3>
-              <input type="text" class="form-control" placeholder="Paste secret here"
-                 ng-model="connectionId" autofocus>
-            </div>
-            <div class="large-3 columns">
-              <button class="button primary expand round" type="button" ng-click="join(connectionId)">Join</button>
-            </div>
-          </div>
-
-          <hr>
           <div ng-show="!walletIds.length">
             <div class="row">
               <div class="large-6 columns">
@@ -104,6 +92,19 @@
               </div>
             </div>
             <hr>
+          <div class="row">
+            <div class="large-6 columns">
+              <h3>Join a Wallet in Creation</h3>
+              <input type="text" class="form-control" placeholder="Paste wallet secret here"
+                 ng-model="connectionId" required ng-minlength="32" ng-maxlength="32" autofocus
+                 >
+            </div>
+            <div class="large-3 columns">
+              <button class="button primary expand round" type="button" ng-click="join(connectionId)">Join</button>
+            </div>
+          </div>
+
+          <hr>
             <div class="row">
               <div class="text-center">
                 <a ng-click="import()">Import from file</a>
@@ -113,7 +114,7 @@
           <div ng-show="walletIds.length>0">
             <div class="row">
               <div class="large-6 columns">
-                <h3>Open Existing Wallet</h3>
+                <h3>Open Wallet</h3>
                 <select class="form-control" ng-model="selectedWalletId" ng-options="walletId for walletId in walletIds">
                 </select>
               </div>
diff --git a/js/controllers/signin.js b/js/controllers/signin.js
index 979cb5f9d..67db9c1a7 100644
--- a/js/controllers/signin.js
+++ b/js/controllers/signin.js
@@ -19,6 +19,9 @@ console.log('[signin.js.23:walletId:]',walletId); //TODO
     };
 
     $scope.join = function(secret) {
+      if (!secret || !secret.length) {
+        return;
+      }
       $scope.loading = true;
 
       walletFactory.network.on('joinError', function() {
diff --git a/js/models/core/PrivateKey.js b/js/models/core/PrivateKey.js
index bf8cfa9de..2002a14b6 100644
--- a/js/models/core/PrivateKey.js
+++ b/js/models/core/PrivateKey.js
@@ -23,7 +23,8 @@ PrivateKey.prototype.getId = function(prefix) {
   if (prefix) {
     buf = Buffer.concat([prefix, buf]);
   }
-  return util.ripe160(buf).toString('hex');
+  var hash = util.sha256(buf).toString('hex');
+  return hash.substring(0, hash.length/2);
 };
 
 
diff --git a/js/models/core/PublicKeyRing.js b/js/models/core/PublicKeyRing.js
index a2a26ce58..ee2e74756 100644
--- a/js/models/core/PublicKeyRing.js
+++ b/js/models/core/PublicKeyRing.js
@@ -82,7 +82,8 @@ PublicKeyRing.prototype.getCopayerId = function(i, prefix) {
   if (prefix) {
     buf = Buffer.concat([prefix, buf]);
   }
-  return util.ripe160(buf).toString('hex');
+  var hash = util.sha256(buf).toString('hex');
+  return hash.substring(0, hash.length/2);
 };
 
 PublicKeyRing.prototype.myCopayerId = function(i, prefix) {
diff --git a/js/models/core/Wallet.js b/js/models/core/Wallet.js
index eb1b58fc4..e69bc0d6d 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/core/Wallet.js
@@ -144,17 +144,7 @@ Wallet.prototype._optsToObj = function () {
 
 
 Wallet.prototype.getPeerId = function(index) {
-  // if (typeof index === 'undefined') {
-  //   // return my own peerId
-  //   var gen = this.privateKey.getId(idBuf);
-  //   return gen;
-  // }
-  // return peer number 'index' peerId
-  //
-  var idBuf;
-// TODO idBuf DISABLED FOR NOW
-//idBuf = new Buffer(this.id);
-  return this.publicKeyRing.getCopayerId(index || 0, idBuf);
+  return this.publicKeyRing.getCopayerId(index || 0);
 };