diff --git a/blockstack_cli/blockstack_registrar/tools/sweep_btc.py b/blockstack_cli/blockstack_registrar/tools/sweep_btc.py
new file mode 100755
index 000000000..781de902c
--- /dev/null
+++ b/blockstack_cli/blockstack_registrar/tools/sweep_btc.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#-----------------------
+# Copyright 2014 Halfmoon Labs, Inc.
+# All Rights Reserved
+#-----------------------
+
+import json
+import requests 
+
+from config import MONGODB_URI, OLD_DB, FRONTEND_SECRET
+
+from encrypt import bip38_decrypt
+
+from coinkit import BitcoinKeypair, NamecoinKeypair
+
+from commontools import log
+
+#-----------------------------------
+from pymongo import MongoClient
+
+remote_db = MongoClient(MONGODB_URI).get_default_database()
+new_users = remote_db.user
+transfer = remote_db.name_transfer
+
+local_db = MongoClient()['bitcoin-data'] 
+
+old_db = MongoClient(OLD_DB).get_default_database()
+old_users = old_db.user
+
+#-----------------------------------
+def sweep_btc(transfer_user):
+
+	user_id = transfer_user['user_id']
+	new_user = new_users.find_one({"_id":user_id})
+		
+	if new_user is None:
+		return		
+	
+	old_user = old_users.find_one({'username':new_user['username']})
+	
+	new_btc_address = new_user['bitcoin_address']
+	old_btc_address = json.loads(old_user['profile'])['bitcoin']['address']
+
+	log.debug(new_user['username'])
+	wif_pk = bip38_decrypt(str(transfer_user['encrypted_private_key']),FRONTEND_SECRET)
+
+	keypair = BitcoinKeypair.from_private_key(wif_pk)
+
+	if old_btc_address == keypair.address():
+		log.info("match")
+		process_balance(old_btc_address)
+
+	log.info('-' * 5)
+
+#-----------------------------------
+def fetch_balance(address):
+
+	try:
+		r = requests.get('http://blockchain.info/address/' + address + '?format=json')
+		return r.json()
+	
+	except Exception as e:
+		return None
+
+#-----------------------------------
+def process_balance(btc_address):
+
+	result = fetch_balance(btc_address)
+	final_balance = result['final_balance']
+	final_balance = 0.00000001 * final_balance
+
+	log.info("final balance: %s", final_balance) 
+
+
+#-----------------------------------
+if __name__ == '__main__':
+
+	for i in transfer.find():
+		sweep_btc(i)
+