We usually have to put our coins in exchanges unfortunately. Diversify exchanges
the one which you don't doubt at all may make you lose.
You can purchase a bunch of money making coins on Bittrex. The only thing to remember is that the coins could get lost if Bittrex goes down.
bittrex doesn't look good last days
Even their previous fans complains now..
I would try to contact support anyway.
But I am afraid they will only spit my face