Transferwise (http://transferwise.com http://transferwise.com) is sort of based on this - it matches up parties to massively reduce the cost of transferring mon

Transferwise (http://transferwise.com http://transferwise.com) is sort of based on this - it matches up parties to massively reduce the cost of transferring money. I've used it a couple of times, and it worked very well, and saved me a significant amount of money.