UPDATE: Coinex.pw finally gives out some info...

[Chrome67]

Proof here...https://bitcointalk.org/index.php?topic=521142.0

[glendall]

Has someone analyzed the numbers? Off the top of my head it would seem that more than 75% of exchanges either get shut down, hacked, or have their accounts stolen by the administrators themselves.

Decentralized exchanges seem the only way forward I think.  Doesn't work to have decentralized currency on centralized exchanges.