Lose >99% BTC
Lose >40% fiat
Lose database along with customer identity data
Well, Emptygox couldn't possibly have done a much worse job than this.
How could they lose fiat? I understand they lost BTC due to transaction error, but fiat?
Did they have database unencrypted?
They may have used client's fiat to buy bitcoin or speculate. They don't care the hole in fiat anyway, as they could blame their bank / DHS / CoinLab