I always suspected that this was possible with them, so I hope that it wasn't exploited too badly...
Huh? Then why didn't you bring it to their attention? =/
Because I didn't feel like actually taking the time to find such a vulnerability? I just knew that the way they were handling withdrawals was significantly more likely to result in a race condition.
Ah, ok, I thought you actually suspected a way how this could be exploited, but you just suspected it was possible some way or another. Never mind then, it was a misunderstanding