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well, I think coinbase either acquired cryptsy or they were cryptsy operating under coinbase..it's really hard to really know for sure since everything is hidden. But here's a link : http://www.newsbtc.com/2016/12/16/coinbases-faces-class-action-lawsuit-from-cryptsys-victims/

I also speculate that the crytsy owner Paul Vernon is just a scapegoat for bigger scams .

Exchanges are not crypto. They are two different things. If you don't trust exchanges, just by crypto locally or use a decentralized exchange like https://bitshares.org/wallet/#/