diff --git a/css/main.css b/css/main.css
index b2ea53654..e3e9db981 100644
--- a/css/main.css
+++ b/css/main.css
@@ -645,4 +645,10 @@ ul.pagination li.current a:hover, ul.pagination li.current a:focus {
   display: block;
   margin-bottom: 1rem;
 }
+.addressbook-disabled td {
+  color: #ccc;
+}
+.addressbook-disabled td a {
+  color: #7A9FB6;
+}
 
diff --git a/index.html b/index.html
index c5953653e..5a354b627 100644
--- a/index.html
+++ b/index.html
@@ -764,7 +764,7 @@
               </div>
             </form>
           </div>
-          <div class="medium-8 medium-centered large-8 large-centered columns">
+          <div class="medium-9 medium-centered large-9 large-centered columns">
             <hr>
             <h3>Address Book</h3>
             <p class="text-gray" ng-hide="showAddressBook()">Empty. Create an alias for your addresses</p>
@@ -775,16 +775,19 @@
                 <th>Address</td>
                 <th>Creator</td>
                 <th>Date</td>
-                <th>&nbsp;</td>
+                <th></td>
               </tr>
               </thead>
               <tbody>
-              <tr ng-repeat="(addr, info) in $root.wallet.addressBook" ng-if="info.copayerId != -1">
+              <tr 
+                ng-repeat="(addr, info) in $root.wallet.addressBook" 
+                ng-class="{'addressbook-disabled': info.hidden}">
                 <td><a ng-click="copyAddress(addr)" title="Copy address">{{info.label}}</a></td>
                 <td>{{addr}}</td>
                 <td>{{$root.wallet.publicKeyRing.nicknameForCopayer(info.copayerId)}}</td>
                 <td><time>{{info.createdTs | amCalendar}}</time></td>
-                <td><a ng-click="deleteAddressBook(addr)"><i class="fi-trash"></i></a></td>
+                <td><a style="text-decoration: initial;" ng-click="toggleAddressBookEntry(addr)">{{info.hidden ?
+                'Enable' : 'Disable'}}</a></td>
               </tr>
               </tbody>
             </table>
diff --git a/js/controllers/send.js b/js/controllers/send.js
index 0ab3d3858..e9f3d92ec 100644
--- a/js/controllers/send.js
+++ b/js/controllers/send.js
@@ -14,7 +14,7 @@ angular.module('copayApp.controllers').controller('SendController',
       var flag;
       if (w) {
         for (var k in w.addressBook) {
-          if (w.addressBook[k].copayerId != -1) {
+          if (w.addressBook[k]) {
             flag = true;
             break;
           }
@@ -194,23 +194,9 @@ angular.module('copayApp.controllers').controller('SendController',
       }, 500);
     };
 
-    $scope.deleteAddressBook = function(addressBook) {
+    $scope.toggleAddressBookEntry = function(key) {
       var w = $rootScope.wallet;
-      $timeout(function() {
-        var errorMsg;
-        try {
-          w.deleteAddressBook(addressBook);
-        } catch (e) {
-          errorMsg = e.message;
-        }
-
-        if (errorMsg) {
-          notification.error('Error', errorMsg);
-        } else {
-          notification.success('Success', 'Entry removed successfully');
-        }
-        $rootScope.$digest();
-      }, 500);
+      w.toggleAddressBookEntry(key);
     };
 
     $scope.copyAddress = function(address) {
@@ -262,7 +248,6 @@ angular.module('copayApp.controllers').controller('SendController',
           }
           $rootScope.$digest();
         }, 500);
-        $anchorScroll();
         // reset fields
         $scope.newaddress = $scope.newlabel = null;
       });
diff --git a/js/directives.js b/js/directives.js
index cac0adb93..e5c0502b2 100644
--- a/js/directives.js
+++ b/js/directives.js
@@ -128,7 +128,7 @@ angular.module('copayApp.directives')
 
         var address = attrs.address;
         var contact = scope.wallet.addressBook[address];
-        if (contact) {
+        if (contact && !contact.hidden) {
           element.append(contact.label);
           attrs['tooltip'] = attrs.address;
         } else {
diff --git a/js/models/core/Wallet.js b/js/models/core/Wallet.js
index 5ee65c49b..7e892dd42 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/core/Wallet.js
@@ -140,10 +140,8 @@ Wallet.prototype._handleAddressBook = function(senderId, data, isInbound) {
   var hasChange;
   for (var key in rcv) {
     if (!this.addressBook[key]) {
-      this.addressBook[key] = rcv[key];
-      hasChange = true;
-    } else {
-      if (rcv[key].createdTs > this.addressBook[key].createdTs) {
+      var isVerified = this.verifyAddressbookEntry(rcv[key], senderId, key);
+      if (isVerified) {
         this.addressBook[key] = rcv[key];
         hasChange = true;
       }
@@ -235,7 +233,6 @@ Wallet.prototype.getMyCopayerIdPriv = function() {
   return this.privateKey.getIdPriv(); //copayer idpriv is hex of a private key
 };
 
-
 Wallet.prototype.getSecret = function() {
   var pubkeybuf = new Buffer(this.getMyCopayerId(), 'hex');
   var str = Base58Check.encode(pubkeybuf);
@@ -839,23 +836,42 @@ Wallet.prototype._checkAddressBook = function(key) {
 
 Wallet.prototype.setAddressBook = function(key, label) {
   this._checkAddressBook(key);
-  var addressbook = {
-    createdTs: Date.now(),
-    copayerId: this.getMyCopayerId(),
-    label: label
+  var copayerId = this.getMyCopayerId();
+  var ts = Date.now();
+  var payload = {
+    address: key,
+    label: label,
+    copayerId: copayerId,
+    createdTs: ts
   };
-  this.addressBook[key] = addressbook;
+  var newEntry = {
+    hidden: false,
+    createdTs: ts,
+    copayerId: copayerId,
+    label: label,
+    signature: this.signJson(payload)
+  };
+  this.addressBook[key] = newEntry;
   this.sendAddressBook();
   this.store();
 };
 
-Wallet.prototype.deleteAddressBook = function(key) {
-  if (key) {
-    this.addressBook[key].copayerId = -1;
-    this.addressBook[key].createdTs = Date.now();
-    this.sendAddressBook();
-    this.store();
-  }
+Wallet.prototype.verifyAddressbookEntry = function(rcvEntry, senderId, key) {
+  if (!key) throw new Error('Keys are required');
+  var signature = rcvEntry.signature;
+  var payload = {
+    address: key,
+    label: rcvEntry.label,
+    copayerId: rcvEntry.copayerId,
+    createdTs: rcvEntry.createdTs
+  };
+  return this.verifySignedJson(senderId, payload, signature);
+}
+
+Wallet.prototype.toggleAddressBookEntry = function(key) {
+  if (!key) throw new Error('Key is required');
+  this.addressBook[key].hidden = !this.addressBook[key].hidden;
+  this.store();
 };
 
 Wallet.prototype.isReady = function() {
@@ -868,4 +884,19 @@ Wallet.prototype.offerBackup = function() {
   this.store();
 };
 
+Wallet.prototype.signJson = function(payload) {
+  var key = new bitcore.Key();
+  key.private = new Buffer(this.getMyCopayerIdPriv(), 'hex');
+  key.regenerateSync();
+  var sign = bitcore.Message.sign(JSON.stringify(payload), key);
+  return sign.toString('hex');
+}
+
+Wallet.prototype.verifySignedJson = function(senderId, payload, signature) {
+  var pubkey = new Buffer(senderId, 'hex');
+  var sign = new Buffer(signature, 'hex');
+  var v = bitcore.Message.verifyWithPubKey(pubkey, JSON.stringify(payload), sign);
+  return v;
+}
+
 module.exports = require('soop')(Wallet);
diff --git a/test/test.Wallet.js b/test/test.Wallet.js
index 3ba333d43..42991ed57 100644
--- a/test/test.Wallet.js
+++ b/test/test.Wallet.js
@@ -79,11 +79,13 @@ describe('Wallet model', function() {
         label: 'John',
         copayerId: '026a55261b7c898fff760ebe14fd22a71892295f3b49e0ca66727bc0a0d7f94d03',
         createdTs: 1403102115,
+        hidden: false
       },
       '2MtP8WyiwG7ZdVWM96CVsk2M1N8zyfiVQsY': {
         label: 'Jennifer',
         copayerId: '032991f836543a492bd6d0bb112552bfc7c5f3b7d5388fcbcbf2fbb893b44770d7',
         createdTs: 1403103115,
+        hidden: false
       }
     };
 
@@ -784,61 +786,119 @@ describe('Wallet model', function() {
     done();
   });
 
-  var contacts = [{
-    label: 'Charles',
-    address: '2N8pJWpXCAxmNLHKVEhz3TtTcYCtHd43xWU ',
-  }, {
-    label: 'Linda',
-    address: '2N4Zq92goYGrf5J4F4SZZq7jnPYbCiyRYT2 ',
-  }];
+  describe('#AddressBook', function() {
+    var contacts = [{
+      label: 'Charles',
+      address: '2N8pJWpXCAxmNLHKVEhz3TtTcYCtHd43xWU ',
+    }, {
+      label: 'Linda',
+      address: '2N4Zq92goYGrf5J4F4SZZq7jnPYbCiyRYT2 ',
+    }];
 
-  it('should create new entry for address book', function() {
-    var w = createW();
-    contacts.forEach(function(c) {
-      w.setAddressBook(c.address, c.label);
+    it('should create new entry for address book', function() {
+      var w = createW();
+      contacts.forEach(function(c) {
+        w.setAddressBook(c.address, c.label);
+      });
+      Object.keys(w.addressBook).length.should.equal(4);
     });
-    Object.keys(w.addressBook).length.should.equal(4);
-  });
 
-  it('should fail if create a duplicate address', function() {
-    var w = createW();
-    w.setAddressBook(contacts[0].address, contacts[0].label);
-    (function() {
+    it('should fail if create a duplicate address', function() {
+      var w = createW();
       w.setAddressBook(contacts[0].address, contacts[0].label);
-    }).should.
-    throw();
-  });
-
-  it('should delete an entry for address book', function() {
-    var w = createW();
-    contacts.forEach(function(c) {
-      w.setAddressBook(c.address, c.label);
+      (function() {
+        w.setAddressBook(contacts[0].address, contacts[0].label);
+      }).should.
+      throw();
+    });
+
+    it('should show/hide everywhere', function() {
+      var w = createW();
+      var key = '2NFR2kzH9NUdp8vsXTB4wWQtTtzhpKxsyoJ';
+      w.toggleAddressBookEntry(key);
+      w.addressBook[key].hidden.should.equal(true);
+      w.toggleAddressBookEntry(key);
+      w.addressBook[key].hidden.should.equal(false);
+      (function() { 
+        w.toggleAddressBookEntry();
+      }).should.throw();
+    });
+
+    it('handle network addressBook correctly', function() {
+      var w = createW();
+
+      var data = {
+        type: "addressbook", 
+        addressBook: {
+          "3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z" : {
+            copayerId: "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb",
+            createdTs: 1404769393509,
+            hidden: false,
+            label: "adsf",
+            signature: "3046022100d4cdefef66ab8cea26031d5df03a38fc9ec9b09b0fb31d3a26b6e204918e9e78022100ecdbbd889ec99ea1bfd471253487af07a7fa7c0ac6012ca56e10e66f335e4586"
+          }
+        }, 
+        walletId: "11d23e638ed84c06", 
+        isBroadcast: 1
+      };
+
+      var senderId = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";
+ 
+      Object.keys(w.addressBook).length.should.equal(2);
+      w._handleAddressBook(senderId, data, true);
+      Object.keys(w.addressBook).length.should.equal(3);
+    }); 
+
+    it('should return signed object', function() {
+      var w = createW();
+      var payload = {
+        address: 'msj42CCGruhRsFrGATiUuh25dtxYtnpbTx',
+        label: 'Faucet',
+        copayerId: '026a55261b7c898fff760ebe14fd22a71892295f3b49e0ca66727bc0a0d7f94d03',
+        createdTs: 1403102115
+      };
+      should.exist(w.signJson(payload));
+    });
+
+    it('should verify signed object', function() {
+      var w = createW();
+
+      var payload = {
+        address: "3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z",
+        label: "adsf",
+        copayerId: "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb",
+        createdTs: 1404769393509
+      }
+
+      var signature = "3046022100d4cdefef66ab8cea26031d5df03a38fc9ec9b09b0fb31d3a26b6e204918e9e78022100ecdbbd889ec99ea1bfd471253487af07a7fa7c0ac6012ca56e10e66f335e4586";
+
+      var pubKey = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";
+
+      w.verifySignedJson(pubKey, payload, signature).should.equal(true);
+      payload.label = 'Another';
+      w.verifySignedJson(pubKey, payload, signature).should.equal(false);
+    });
+
+    it('should verify signed addressbook entry', function() {
+      var w = createW();
+      var key = "3Ae1ieAYNXznm7NkowoFTu5MkzgrTfDz8Z";
+      var pubKey = "03baa45498fee1045fa8f91a2913f638dc3979b455498924d3cf1a11303c679cdb";
+      w.addressBook[key] = {
+        copayerId: pubKey,
+        createdTs: 1404769393509,
+        hidden: false,
+        label: "adsf",
+        signature: "3046022100d4cdefef66ab8cea26031d5df03a38fc9ec9b09b0fb31d3a26b6e204918e9e78022100ecdbbd889ec99ea1bfd471253487af07a7fa7c0ac6012ca56e10e66f335e4586"
+      };
+
+      w.verifyAddressbookEntry(w.addressBook[key], pubKey, key).should.equal(true);
+      w.addressBook[key].label = 'Another';
+      w.verifyAddressbookEntry(w.addressBook[key], pubKey, key).should.equal(false);
+      (function() { 
+        w.verifyAddressbookEntry();
+      }).should.throw();
     });
-    Object.keys(w.addressBook).length.should.equal(4);
-    var key = contacts[0].address;
-    w.deleteAddressBook(key);
-    w.addressBook[key].copayerId.should.equal(-1);
-  });
 
-  it('handle network addressBook correctly', function() {
-    var w = createW();
-    var data = {
-      walletId: w.id,
-      addressBook: {
-        'msj42CCGruhRsFrGATiUuh25dtxYtnpbTx': {
-          label: 'Faucet',
-          copayerId: '026a55261b7c898fff760ebe14fd22a71892295f3b49e0ca66727bc0a0d7f94d03',
-          createdTs: 1403102115,
-        }
-      },
-      type: 'addressbook'
-    };
-    Object.keys(w.addressBook).length.should.equal(2);
-    w._handleAddressBook('senderID', data, true);
-    Object.keys(w.addressBook).length.should.equal(3);
-    data.addressBook['msj42CCGruhRsFrGATiUuh25dtxYtnpbTx'].createdTs = 1403102215;
-    w._handleAddressBook('senderID', data, true);
-    Object.keys(w.addressBook).length.should.equal(3);
   });
 
   it('#getNetworkName', function() {