Big Four banks break up with bitcoin.

The article reports on the letters sent by Australian banks Westpac Banking Corp. and Commonwealth Bank of Australia to bitcoin exchanges including Bit Trade and Buyabitcoin, which inform their closure of accounts without further explanation. It notes a statement detailing the tough compliance and assurance requirements under bitcoin operating model to meet high standards required in anti-money laundering regulations. It mentions that the closures threatens the viability of financial services.