There's a large attack being directed at Bitcoin exchanges that is trying to exploit what seems to be a common misunderstanding about the Bitcoin protocol. It's

There's a large attack being directed at Bitcoin exchanges that is trying to exploit what seems to be a common misunderstanding about the Bitcoin protocol. It's the same misunderstanding that forced Mt. Gox to go down. http://www.coindesk.com/massive-concerted-attack-launched-bitcoin-exchanges/ http://www.coindesk.com/massive-concerted-attack-launched-bi...