diff --git a/bin/node b/bin/node
index 3d1b677b..8d0ac655 100755
--- a/bin/node
+++ b/bin/node
@@ -38,6 +38,7 @@ node.open(function(err) {
 
     if (node.network.type === 'regtest') {
       node.miner.start();
+      node.startSync();
       return;
     }
 
diff --git a/lib/bcoin/peer.js b/lib/bcoin/peer.js
index 9b420ab1..35f7530a 100644
--- a/lib/bcoin/peer.js
+++ b/lib/bcoin/peer.js
@@ -95,7 +95,6 @@ function Peer(pool, options) {
   this.hashContinue = null;
   this.spvFilter = null;
   this.relay = true;
-  this.localNonce = utils.nonce();
   this.feeRate = -1;
   this.addrFilter = new bcoin.bloom.rolling(5000, 0.001);
   this.invFilter = new bcoin.bloom.rolling(50000, 0.000001);
@@ -252,7 +251,7 @@ Peer.prototype._init = function init() {
   this.write(this.framer.version({
     height: this.chain.height,
     relay: this.options.relay,
-    nonce: this.localNonce
+    nonce: this.pool.localNonce
   }));
 };
 
@@ -975,10 +974,12 @@ Peer.prototype._handleVersion = function handleVersion(payload) {
   var version = payload.version;
   var services = payload.services;
 
-  if (payload.nonce.cmp(this.localNonce) === 0) {
-    this._error('We connected to ourself. Oops.');
-    this.setMisbehavior(100);
-    return;
+  if (this.network.type !== 'regtest') {
+    if (payload.nonce.cmp(this.pool.localNonce) === 0) {
+      this._error('We connected to ourself. Oops.');
+      this.setMisbehavior(100);
+      return;
+    }
   }
 
   if (version < constants.MIN_VERSION) {
@@ -1128,6 +1129,11 @@ Peer.prototype._handleGetData = function handleGetData(items) {
             return next();
         }
 
+        if (tx.isCoinbase()) {
+          notfound.push({ type: constants.inv.TX, hash: hash });
+          return next();
+        }
+
         data = witness
           ? self.framer.witnessTX(tx)
           : self.framer.tx(tx);
@@ -1345,9 +1351,12 @@ Peer.prototype._handleGetAddr = function handleGetAddr() {
       break;
   }
 
+  if (items.length === 0)
+    return;
+
   bcoin.debug(
     'Sending %d addrs to peer (%s)',
-    addrs.length,
+    items.length,
     this.hostname);
 
   return this.write(this.framer.addr(items));
diff --git a/lib/bcoin/pool.js b/lib/bcoin/pool.js
index aabf71c2..0750bbd4 100644
--- a/lib/bcoin/pool.js
+++ b/lib/bcoin/pool.js
@@ -138,6 +138,8 @@ function Pool(options) {
     ? bcoin.bloom.fromRate(10000, 0.01, constants.bloom.NONE)
     : null;
 
+  this.localNonce = utils.nonce();
+
   this.peers = {
     // Peers that are loading blocks themselves
     regular: [],
@@ -2328,7 +2330,7 @@ BroadcastItem.prototype.finish = function finish(err) {
 
 BroadcastItem.prototype.send = function send(peer, witness) {
   var self = this;
-  var i, data;
+  var data;
 
   if (!this.msg) {
     this.ack(peer);
@@ -2336,6 +2338,11 @@ BroadcastItem.prototype.send = function send(peer, witness) {
   }
 
   if (this.type === constants.inv.TX) {
+    if (this.msg.isCoinbase()) {
+      peer.write(peer.framer.notFound([this]));
+      return true;
+    }
+
     data = witness
       ? peer.framer.witnessTX(this.msg)
       : peer.framer.tx(this.msg);
@@ -2345,7 +2352,7 @@ BroadcastItem.prototype.send = function send(peer, witness) {
       : peer.framer.block(this.msg);
   }
 
-  peer.write(value);
+  peer.write(data);
 
   this.ack(peer);
 
@@ -2359,6 +2366,7 @@ BroadcastItem.prototype.send = function send(peer, witness) {
 
 BroadcastItem.prototype.ack = function ack(peer) {
   var self = this;
+  var i;
 
   setTimeout(function() {
     self.emit('ack', peer);
@@ -2395,7 +2403,7 @@ BroadcastItem.prototype.reject = function reject(peer) {
 BroadcastItem.prototype.inspect = function inspect() {
   return '<BroadcastItem:'
     + ' id=' + this.id
-    + ' type=' + (this.type === constants.TX ? 'tx' : 'block')
+    + ' type=' + (this.type === constants.inv.TX ? 'tx' : 'block')
     + ' hash=' + utils.revHex(this.hash)
     + '>';
 };
diff --git a/lib/bcoin/script.js b/lib/bcoin/script.js
index a7f56969..65f520ba 100644
--- a/lib/bcoin/script.js
+++ b/lib/bcoin/script.js
@@ -2255,7 +2255,8 @@ Script.createCommitment = function createCommitment(hash) {
   p.writeHash(hash);
   return new Script([
     opcodes.OP_RETURN,
-    p.render()
+    p.render(),
+    new Buffer('mined by bcoin', 'ascii')
   ]);
 };
 
diff --git a/lib/bcoin/workers.js b/lib/bcoin/workers.js
index c3785201..a0be3cdc 100644
--- a/lib/bcoin/workers.js
+++ b/lib/bcoin/workers.js
@@ -314,6 +314,10 @@ function Worker(pool, id) {
       self.emit('error', err);
     });
 
+    this.child.stdout.on('data', function(data) {
+      self.emit('data', data);
+    });
+
     this.child.stderr.setEncoding('utf8');
     this.child.stderr.on('data', function(data) {
       bcoin.debug(data.trim());
@@ -573,6 +577,9 @@ Master.prototype.debug = function debug() {
  */
 
 Master.prototype.error = function error(err) {
+  if (!err)
+    return;
+
   this.debug(err.message);
 };