There is not too much effect to the exchange.
We still can buy or sell bitcoin in Exchange as OKCOIN, HUOBI, in China.
Deposit fiat money is not convenient as before, but still very simple.
Bitcoin is a legal asset, but not a legal money.
So the exchanges still have bank accounts then? The government hasn't blocked these?
Well it was one of the rumor, that BTER hack was an inside job. And one of the reasons it happened right now was due to the fact that the exchange forsaw a ban coming up in China and made it happen before it was completely executed. But all of these are for now just rumors.