Yobit now was experiences of some problems but I believe that they can manage it. Try to look this link below
https://captainaltcoin.com/yobit-exchange-review/I was not so sure if it is correct but maybe it can help to answered all you encounter problems in yobit exchange.
yobit has been experiencing ''problems'' since forever . just read around here , there are a ton of complaints about them . the best thing we all can do i just stop using them , when they don't have volume it will be over soon for them.