diff --git a/integration/data/bitcoin.conf b/integration/data/bitcoin.conf
index ac6a7812..84aafd8c 100644
--- a/integration/data/bitcoin.conf
+++ b/integration/data/bitcoin.conf
@@ -1,9 +1,11 @@
 server=1
 whitelist=127.0.0.1
-rpcssl=1
-rpcsslcertificatechainfile=../bitcoind.crt
-rpcsslprivatekeyfile=../bitcoind_no_pass.key
 txindex=1
+addressindex=1
+timestampindex=1
+zmqpubrawtx=tcp://127.0.0.1:30332
+zmqpubhashblock=tcp://127.0.0.1:30332
 rpcallowip=127.0.0.1
+rpcport=30331
 rpcuser=bitcoin
 rpcpassword=local321
diff --git a/integration/p2p.js b/integration/p2p.js
index b578b908..3e30e464 100644
--- a/integration/p2p.js
+++ b/integration/p2p.js
@@ -3,10 +3,6 @@
 var index = require('..');
 var log = index.log;
 
-if (process.env.BITCORENODE_ENV !== 'test') {
-  log.info('Please set the environment variable BITCORENODE_ENV=test and make sure bindings are compiled for testing');
-  process.exit();
-}
 var p2p = require('bitcore-p2p');
 var Peer = p2p.Peer;
 var Messages = p2p.Messages;
@@ -58,18 +54,20 @@ describe('P2P Functionality', function() {
     var regtestNetwork = bitcore.Networks.get('regtest');
     var datadir = __dirname + '/data';
 
-    rimraf(datadir + '/regtest', function(err) {;
-
+    rimraf(datadir + '/regtest', function(err) {
       if (err) {
         throw err;
       }
 
+      // enable regtest
+      bitcore.Networks.enableRegtest();
       bitcoind = require('../').services.Bitcoin({
-        node: {
+        spawn: {
           datadir: datadir,
-          network: {
-            name: 'regtest'
-          }
+          exec: 'bitcoind'
+        },
+        node: {
+          network: bitcore.Networks.testnet
         }
       });
 
@@ -79,13 +77,16 @@ describe('P2P Functionality', function() {
 
       log.info('Waiting for Bitcoin Core to initialize...');
 
-      bitcoind.start(function() {
+      bitcoind.start(function(err) {
+        if (err) {
+          throw err;
+        }
         log.info('Bitcoind started');
 
         client = new BitcoinRPC({
-          protocol: 'https',
+          protocol: 'http',
           host: '127.0.0.1',
-          port: 18332,
+          port: 30331,
           user: 'bitcoin',
           pass: 'local321',
           rejectUnauthorized: false
@@ -186,13 +187,11 @@ describe('P2P Functionality', function() {
 
     var usedTxs = {};
 
-    bitcoind.on('tx', function(result) {
-      var txFromResult = new Transaction().fromBuffer(result.buffer);
+    bitcoind.on('tx', function(buffer) {
+      var txFromResult = new Transaction().fromBuffer(buffer);
       var tx = usedTxs[txFromResult.id];
       should.exist(tx);
-      result.buffer.toString('hex').should.equal(tx.serialize());
-      result.hash.should.equal(tx.hash);
-      result.mempool.should.equal(true);
+      buffer.toString('hex').should.equal(tx.serialize());
       delete usedTxs[tx.id];
       if (Object.keys(usedTxs).length === 0) {
         done();
diff --git a/lib/services/bitcoind.js b/lib/services/bitcoind.js
index 8a1e9edb..3803ffa6 100644
--- a/lib/services/bitcoind.js
+++ b/lib/services/bitcoind.js
@@ -27,6 +27,7 @@ var Transaction = require('../transaction');
  */
 function Bitcoin(options) {
   /* jshint maxstatements: 20 */
+  var self = this;
   if (!(this instanceof Bitcoin)) {
     return new Bitcoin(options);
   }
@@ -46,6 +47,8 @@ function Bitcoin(options) {
   this.blockCache = LRU(144);
   this.blockHeaderCache = LRU(288);
   this.zmqKnownTransactions = LRU(50);
+  this.zmqLastBlock = 0;
+  this.zmqUpdateTipTimeout = false;
 
   this.options = options;
 
@@ -57,8 +60,8 @@ function Bitcoin(options) {
   this.nodesIndex = 0;
   Object.defineProperty(this, 'client', {
     get: function() {
-      var client = this.nodes[this.nodesIndex].client;
-      this.nodesIndex = (this.nodesIndex + 1) % this.nodes.length;
+      var client = self.nodes[self.nodesIndex].client;
+      self.nodesIndex = (self.nodesIndex + 1) % self.nodes.length;
       return client;
     },
     enumerable: true,
@@ -218,38 +221,57 @@ Bitcoin.prototype._initChain = function(callback) {
 Bitcoin.prototype._getNetworkOption = function() {
   var networkOption;
   if (this.node.network === bitcore.Networks.testnet) {
+    networkOption = '--testnet';
     if (this.node.network.regtestEnabled) {
       networkOption = '--regtest';
     }
-    networkOption = '--testnet';
   }
   return networkOption;
 };
 
 Bitcoin.prototype._zmqBlockHandler = function(node, message) {
   var self = this;
-  var hex = message.toString('hex');
-  if (hex !== self.tiphash) {
-    self._resetCaches();
-    self.tiphash = message.toString('hex');
-    node.client.getBlock(self.tiphash, function(err, response) {
-      if (err) {
-        return log.error(err);
-      }
-      self.height = response.result.height;
-      $.checkState(self.height >= 0);
-      self.emit('tip', self.height);
-    });
 
-    if(!self.node.stopping) {
-      self.syncPercentage(function(err, percentage) {
+  function updateChain() {
+    var hex = message.toString('hex');
+    if (hex !== self.tiphash) {
+      self._resetCaches();
+      self.tiphash = message.toString('hex');
+      node.client.getBlock(self.tiphash, function(err, response) {
         if (err) {
           return log.error(err);
         }
-        log.info('Bitcoin Height:', self.height, 'Percentage:', percentage.toFixed(2));
+        self.height = response.result.height;
+        self.zmqLastBlock = new Date();
+        $.checkState(self.height >= 0);
+        self.emit('tip', self.height);
       });
+
+      if(!self.node.stopping) {
+        self.syncPercentage(function(err, percentage) {
+          if (err) {
+            return log.error(err);
+          }
+          log.info('Bitcoin Height:', self.height, 'Percentage:', percentage.toFixed(2));
+        });
+      }
     }
   }
+
+  // Prevent a rapid succession of updates with regtest
+  if (self.node.network.regtestEnabled) {
+    if (new Date() - self.zmqLastBlock > 1000) {
+      updateChain();
+    } else {
+      clearTimeout(self.zmqUpdateTipTimeout);
+      self.zmqUpdateTipTimeout = setTimeout(function() {
+        updateChain();
+      }, 1000);
+    }
+  } else {
+    updateChain();
+  }
+
 };
 
 Bitcoin.prototype._zmqTransactionHandler = function(node, message) {
@@ -325,7 +347,7 @@ Bitcoin.prototype._loadTipFromNode = function(node, callback) {
     }
     node.client.getBlock(response.result, function(err, response) {
       if (err) {
-        return done(err);
+        return callback(err);
       }
       self.height = response.result.height;
       $.checkState(self.height >= 0);
@@ -464,6 +486,9 @@ Bitcoin.prototype.start = function(callback) {
     if (err) {
       return callback(err);
     }
+    if (self.nodes.length === 0) {
+      return callback(new Error('Bitcoin configuration options "spawn" or "connect" are expected'));
+    }
     self._initChain(callback);
   });
 
@@ -1107,7 +1132,7 @@ Bitcoin.prototype.stop = function(callback) {
         return callback();
       }
     });
-    this.spawn.process.kill('SIGHUP');
+    this.spawn.process.kill('SIGINT');
   } else {
     callback();
   }