I just made a btc deposit on HiBTC 4 hours ago from Paymium and still noting appears on HiBTC..
Never had any issues deposit in bitrex for exemple
Anyone had issues with it?
Have you checked that your transaction has been confirmed by the miners? There is quite a big backlog of transactions at the moment and the receiving site (hitbtc) can't do anything about it, they have to wait for the transactions to be confirmed.