diff --git a/index.js b/index.js
index aeb1df013..0194dee21 100644
--- a/index.js
+++ b/index.js
@@ -45,6 +45,7 @@ bitcore.Script = require('./lib/script');
 bitcore.Transaction = require('./lib/transaction');
 bitcore.URI = require('./lib/uri');
 bitcore.Unit = require('./lib/unit');
+bitcore.UTXO = require('./lib/utxo');
 
 // dependencies, subject to change
 bitcore.deps = {};
diff --git a/lib/utxo.js b/lib/utxo.js
index 1456db7a5..f77ddf3bf 100644
--- a/lib/utxo.js
+++ b/lib/utxo.js
@@ -49,7 +49,7 @@ UTXO.prototype.toString = function() {
 };
 
 UTXO.fromJSON = UTXO.fromObject = function(data) {
-  if (_.isString(data)) {
+  if (JSUtil.isValidJSON(data)) {
     data = JSON.parse(data);
   }
   return new UTXO(data);
@@ -61,10 +61,10 @@ UTXO.prototype.toJSON = function() {
 
 UTXO.prototype.toObject = function() {
   return {
-    address: this.address.toObject(),
+    address: this.address.toString(),
     txid: this.txId,
     vout: this.outputIndex,
-    scriptPubKey: this.script.toObject(),
+    scriptPubKey: this.script.toBuffer().toString('hex'),
     amount: Unit.fromSatoshis(this.satoshis).toBTC()
   };
 };
diff --git a/test/explorers/insight.js b/test/explorers/insight.js
index 5dff460dd..41b6745f7 100644
--- a/test/explorers/insight.js
+++ b/test/explorers/insight.js
@@ -10,7 +10,7 @@ var Address = bitcore.Address;
 var Transaction = bitcore.Transaction;
 var Networks = bitcore.Networks;
 
-describe.only('Insight', function() {
+describe('Insight', function() {
 
   describe('instantiation', function() {
     it('can be created without any parameters', function() {
diff --git a/test/utxo.js b/test/utxo.js
new file mode 100644
index 000000000..a5bd94e81
--- /dev/null
+++ b/test/utxo.js
@@ -0,0 +1,75 @@
+'use strict';
+
+var _ = require('lodash');
+var chai = require('chai');
+var should = chai.should();
+var expect = chai.expect;
+
+var bitcore = require('..');
+var UTXO = bitcore.UTXO;
+
+describe('UTXO', function() {
+
+  var sampleData1 = {
+    'address': 'mszYqVnqKoQx4jcTdJXxwKAissE3Jbrrc1',
+    'txId': 'a477af6b2667c29670467e4e0728b685ee07b240235771862318e29ddbe58458',
+    'outputIndex': 0,
+    'script': 'OP_DUP OP_HASH160 20 0x88d9931ea73d60eaf7e5671efc0552b912911f2a OP_EQUALVERIFY OP_CHECKSIG',
+    'satoshis': 1020000
+  };
+  var sampleData2 = {
+    'txid': 'e42447187db5a29d6db161661e4bc66d61c3e499690fe5ea47f87b79ca573986',
+    'vout': 1,
+    'address': 'mgBCJAsvzgT2qNNeXsoECg2uPKrUsZ76up',
+    'scriptPubKey': '76a914073b7eae2823efa349e3b9155b8a735526463a0f88ac',
+    'amount': 0.01080000
+  };
+
+  it('roundtrip from raw data', function() {
+    expect(UTXO(sampleData2).toObject()).to.deep.equal(sampleData2);
+  });
+
+  it('can be created without "new" operand', function() {
+    expect(UTXO(sampleData1) instanceof UTXO).to.equal(true);
+  });
+
+  it('fails if no tx id is provided', function() {
+    expect(function() {
+      return new UTXO({});
+    }).to.throw();
+  });
+
+  it('fails if vout is not a number', function() {
+    var sample = _.cloneDeep(sampleData2);
+    sample.vout = '1';
+    expect(function() {
+      return new UTXO(sample);
+    }).to.throw();
+  });
+
+  it('displays nicely on the console', function() {
+    var expected = '<UTXO: a477af6b2667c29670467e4e0728b685ee07b240235771862318e29ddbe58458:0' +
+                   ', satoshis: 1020000, address: mszYqVnqKoQx4jcTdJXxwKAissE3Jbrrc1>';
+    expect(new UTXO(sampleData1).inspect()).to.equal(expected);
+  });
+
+  it('toString returns txid:vout', function() {
+    var expected = 'a477af6b2667c29670467e4e0728b685ee07b240235771862318e29ddbe58458:0';
+    expect(new UTXO(sampleData1).toString()).to.equal(expected);
+  });
+
+  it('to/from JSON roundtrip', function() {
+    var utxo = new UTXO(sampleData2);
+    expect(
+      JSON.parse(
+        UTXO.fromJSON(
+          UTXO.fromObject(
+            UTXO.fromJSON(
+              utxo.toJSON()
+            ).toObject()
+          ).toJSON()
+        ).toJSON()
+      )
+    ).to.deep.equal(sampleData2);
+  });
+});