diff --git a/.gitignore b/.gitignore
index f11f951..f6f0c7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,5 @@ db/testnet/blocks
 
 README.html
 public
+
+package-lock.json
diff --git a/lib/addresses.js b/lib/addresses.js
index ed1db73..d1ce2ad 100644
--- a/lib/addresses.js
+++ b/lib/addresses.js
@@ -24,7 +24,7 @@ AddressController.prototype.show = function(req, res) {
     options.to = parseInt(req.query.to);
   }
 
-  this.getAddressSummary(req.addr, options, function(err, data) {
+  this._address.getAddressSummary(req.addr, options, function(err, data) {
     if(err) {
       return self.common.handleErrors(err, res);
     }
@@ -139,14 +139,29 @@ AddressController.prototype.utxo = function(req, res) {
 
 AddressController.prototype.multiutxo = function(req, res) {
   var self = this;
-  this.node.getAddressUnspentOutputs(req.addrs, true, function(err, utxos) {
-    if(err && err.code === -5) {
-      return res.jsonp([]);
-    } else if(err) {
+
+  var finalUtxos = [];
+
+  async.eachLimit(req.addrs, 4, function(addr, next) {
+
+    self.node.getAddressUnspentOutputs(addr, {}, function(err, utxos) {
+
+      if (err) {
+        return next(err);
+      }
+
+      finalUtxos = finalUtxos.concat(utxos);
+      next();
+    });
+
+  }, function(err) {
+
+    if (err) {
       return self.common.handleErrors(err, res);
     }
 
-    res.jsonp(utxos.map(self.transformUtxo.bind(self)));
+    res.jsonp(finalUtxos.map(self.transformUtxo.bind(self)));
+
   });
 };
 
@@ -190,6 +205,7 @@ AddressController.prototype.multitxs = function(req, res) {
   options.to = parseInt(req.query.to) || parseInt(req.body.to) || parseInt(options.from) + 10;
 
   self.node.getAddressHistory(req.addrs, options, function(err, result) {
+
     if(err) {
       return self.common.handleErrors(err, res);
     }
@@ -211,24 +227,16 @@ AddressController.prototype.multitxs = function(req, res) {
   });
 };
 
-AddressController.prototype.transformAddressHistoryForMultiTxs = function(txinfos, options, callback) {
+AddressController.prototype.transformAddressHistoryForMultiTxs = function(txs, options, callback) {
   var self = this;
 
-  var items = txinfos.map(function(txinfo) {
-    return txinfo.tx;
-  }).filter(function(value, index, self) {
-    return self.indexOf(value) === index;
-  });
-
   async.map(
-    items,
-    function(item, next) {
-      self.txController.transformTransaction(item, options, next);
+    txs,
+    function(tx, next) {
+      self.txController.transformTransaction(tx, options, next);
     },
     callback
   );
 };
 
-
-
 module.exports = AddressController;
diff --git a/lib/blocks.js b/lib/blocks.js
index a7ff812..4bb4ede 100644
--- a/lib/blocks.js
+++ b/lib/blocks.js
@@ -140,13 +140,13 @@ BlockController.prototype.transformBlock = function(block, info) {
     nonce: block.nonce,
     bits: block.bits,
     difficulty: null,
-    chainwork: null,
+    chainwork: info.chainwork,
     confirmations: null,
     previousblockhash: bcoin.util.revHex(block.prevBlock),
     nextblockhash: null,
     reward: null,
     isMainChain: null,
-    poolInfo: null
+    poolInfo: this.getPoolInfo(block)
   };
 };
 
@@ -200,7 +200,7 @@ BlockController.prototype._getBlockSummary = function(hash, moreTimestamp, next)
 
       var br = new bitcore.encoding.BufferReader(blockBuffer);
 
-      // take a shortcut to get number of transactions and the blocksize.
+      // TODO: take a shortcut to get number of transactions and the blocksize.
       // Also reads the coinbase transaction and only that.
       // Old code parsed all transactions in every block _and_ then encoded
       // them all back together to get the binary size of the block.
@@ -320,7 +320,7 @@ BlockController.prototype.list = function(req, res) {
 };
 
 BlockController.prototype.getPoolInfo = function(block) {
-  var coinbaseBuffer = block.transactions[0].inputs[0]._scriptBuffer;
+  var coinbaseBuffer = block.txs[0].inputs[0].script.raw;
 
   for(var k in this.poolStrings) {
     if (coinbaseBuffer.toString('utf-8').match(k)) {
diff --git a/lib/transactions.js b/lib/transactions.js
index 0fb7f4b..c9c5313 100644
--- a/lib/transactions.js
+++ b/lib/transactions.js
@@ -2,7 +2,6 @@
 
 var bitcore = require('bitcore-lib');
 var _ = bitcore.deps._;
-var bcoin = require('bcoin');
 var $ = bitcore.util.preconditions;
 var Common = require('./common');
 var async = require('async');
@@ -49,14 +48,18 @@ TxController.prototype.transaction = function(req, res, next) {
 };
 
 TxController.prototype.transformTransaction = function(transaction, options, callback) {
+
   if (_.isFunction(options)) {
     callback = options;
     options = {};
   }
+
   $.checkArgument(_.isFunction(callback));
+
   var confirmations = 0;
+
   if(transaction.__height >= 0) {
-    var height = this._block.height;
+    var height = this._block.getTip().height;
     confirmations = height - transaction.__height + 1;
   }
 
@@ -75,7 +78,7 @@ TxController.prototype.transformTransaction = function(transaction, options, cal
       }
     ];
   } else {
-    options.inputiValues = transaction.__inputValues;
+    options.inputValues = transaction.__inputValues;
     transformed.vin = transaction.inputs.map(this.transformInput.bind(this, options));
   }
 
@@ -84,7 +87,7 @@ TxController.prototype.transformTransaction = function(transaction, options, cal
   transformed.blockhash = transaction.blockHash;
   transformed.blockheight = transaction.__height;
   transformed.confirmations = transaction.confirmations;
-  // TODO consider mempool txs with receivedTime?
+
   var time = transaction.__timestamp ? transaction.__timestamp : Math.round(Date.now() / 1000);
   transformed.time = time;
   if (transformed.confirmations) {
@@ -201,6 +204,7 @@ TxController.prototype.transformInvTransaction = function(transaction) {
 };
 
 TxController.prototype.rawTransaction = function(req, res, next) {
+
   var self = this;
   var txid = req.params.txid;
 
@@ -212,10 +216,11 @@ TxController.prototype.rawTransaction = function(req, res, next) {
     }
 
     req.rawTransaction = {
-      'rawtx': transaction.toBuffer().toString('hex')
+      'rawtx': transaction.toRaw().toString('hex')
     };
 
     next();
+
   });
 };