Yobit is not a Scam, it's just a terrible exchange with terrible customer support. Since I was doing arbitrage with them for over a year I had multiple instances of frozen transfers for months, including lost funds forever (one that I can remember is MUE) because of broken blockchains. They almost never respond to support and eventually I stopped operating in them just because for me it doesn't deserve the risk/reward. Yobit is certainly the best candidate to be the next Cryptsy.

You have been warned people, if you keep funds in Yobit you take a big risk, if the risk/reward works for you then go for it otherwise stop supporting this shitty exchange and stop nagging afterwards.