diff --git a/bitcore.js b/bitcore.js
index 50812f43f..89eeef3ab 100644
--- a/bitcore.js
+++ b/bitcore.js
@@ -13,6 +13,7 @@ module.exports.log = require('./util/log');
 module.exports.Opcode = require('./Opcode');
 module.exports.util = require('./util/util');
 module.exports.Script = require('./Script');
+module.exports.SINKey = require('./SINKey');
 //module.exports.Transaction = require('./Transaction');
 
 
diff --git a/sin-test.js b/sin-test.js
deleted file mode 100644
index df00923bf..000000000
--- a/sin-test.js
+++ /dev/null
@@ -1,7 +0,0 @@
-
-var SINKey = require('./SINKey').class();
-
-var sk = new SINKey();
-sk.generate();
-console.dir(sk.storeObj());
-
diff --git a/test/test.SIN.js b/test/test.SIN.js
new file mode 100644
index 000000000..469c318fd
--- /dev/null
+++ b/test/test.SIN.js
@@ -0,0 +1,30 @@
+'use strict';
+
+
+
+var chai = require('chai');
+var bitcore = require('../bitcore');
+
+var should = chai.should();
+
+var SINKeyModule = bitcore.SINKey;
+var SINKey;
+
+
+describe('SINKey', function() {
+  it('should initialze the main object', function() {
+    should.exist(SINKeyModule);
+  });
+  it('should be able to create class', function() {
+    SINKey = SINKeyModule.class();
+    should.exist(SINKey);
+  });
+  it('should be able to create instance', function() {
+    var sk = new SINKey();
+    sk.generate();
+    should.exist(sk.created);
+    should.exist(sk.privKey.private);
+    should.exist(sk.privKey.public);
+    should.exist(sk.privKey.compressed);
+  });
+});