I don't know why people continue to use that platform? It is famous for its notoriety, a lot of dark activities, lack of responsiveness to user reports and selective scamming.
If you have money on that platform, try to communicate with them because they are the only ones who can return it.
This topic^[1] is related to what you say, please read it.

[1] YOBIT exchange scamming peoples in EGOLD ICO and steal a lot of investors BTC's