I have been answering 2 support tickets for more than two months.
They allow the purchase in btc of COX and do not allow the sale when they can not be moved to another exchange. Yobit is stealing user's coin in that way and it's not the only currency they use to cheat. BEWARE THIS IS A SCAM
That's the reason why you have to make a research first before starting to trade that coin in the market sir! Maybe they just restrict the withdrawal for that coin or its maintenance or sometime its subject for delisting. They allow the purchase in btc of COX and do not allow the sale when they can not be moved to another exchange. Yobit is stealing user's coin in that way and it's not the only currency they use to cheat. BEWARE THIS IS A SCAM
Yes this is true.
i think you can try some more tickets and pm support again 10x then let see if they gonna reply or not.