diff --git a/config.js b/config.js
index d84a3af9e..f9ca1170d 100644
--- a/config.js
+++ b/config.js
@@ -35,21 +35,6 @@ var defaultConfig = {
     }
   },
 
-  // blockchain service API config
-  blockchain: {
-    schema: 'https',
-    host: 'test-insight.bitpay.com',
-    port: 443,
-    retryDelay: 1000,
-  },
-  // socket service API config
-  socket: {
-    schema: 'https',
-    host: 'test-insight.bitpay.com',
-    port: 443,
-    reconnectDelay: 1000,
-  },
-
   // local encryption/security config
   passphrase: {
     iterations: 100,
diff --git a/js/controllers/settings.js b/js/controllers/settings.js
index b8b5ed1a8..620a06e36 100644
--- a/js/controllers/settings.js
+++ b/js/controllers/settings.js
@@ -40,7 +40,7 @@ angular.module('copayApp.controllers').controller('SettingsController', function
 
     localStorage.setItem('config', JSON.stringify({
       network: insightSettings,
-      version: copay.version
+      version: copay.version,
       defaultLanguage: $scope.selectedLanguage.isoCode
     }));
 
diff --git a/js/models/core/Wallet.js b/js/models/core/Wallet.js
index 0e1f63737..4f603da24 100644
--- a/js/models/core/Wallet.js
+++ b/js/models/core/Wallet.js
@@ -161,6 +161,22 @@ Wallet.prototype._onIndexes = function(senderId, data) {
   }
 };
 
+/**
+ * @desc
+ * Changes wallet settings. The settings format is:
+ *
+ *   var settings = {
+ *     unitName: 'bits',
+ *     unitToSatoshi: 100,
+ *     alternativeName: 'US Dollar',
+ *     alternativeIsoCode: 'USD',
+ *   };
+ */
+Wallet.prototype.changeSettings = function(settings) {
+  console.log(settings);
+  this.settings = settings;
+};
+
 /**
  * @desc
  * Handles a 'PUBLICKEYRING' message from <tt>senderId</tt>.
@@ -893,7 +909,6 @@ Wallet.prototype.send = function(recipients, obj) {
 Wallet.prototype.sendAllTxProposals = function(recipients, sinceTs) {
   var ntxids = sinceTs ? this.txProposals.getNtxidsSince(sinceTs) : this.txProposals.getNtxids();
   var self = this;
-
   _.each(ntxids, function(ntxid, key) {
     self.sendTxProposal(ntxid, recipients);
   });
diff --git a/js/models/core/WalletFactory.js b/js/models/core/WalletFactory.js
index bde1f27e1..9f052e8f6 100644
--- a/js/models/core/WalletFactory.js
+++ b/js/models/core/WalletFactory.js
@@ -42,7 +42,7 @@ function WalletFactory(config, version) {
 
   this.storage = new this.Storage(config.storage);
   this.network = new this.Network(config.network);
-  this.blockchain = new this.Blockchain(config.blockchain);
+  this.blockchain = new this.Blockchain(config.network);
 
   this.networkName = config.networkName;
   this.walletDefaults = config.wallet;