Users can buy bitcoin, XRP and ether, with more coins to be added soon. If you have to make a deposit, then you are at much bigger risk of losing money than if you use something like Changelly where there is only a small window of time before your exchange goes through. Credit card Debit card. It also operates a global OTC trading desk, making it easy for customers to buy large amounts BTC and up of bitcoin. Ask an expert Click here to cancel reply. And remember, reputational feedback is only as valuable as your knowledge and trust of the provider. The BitMEX engine has unprecedented speed and reliability, something that is a notable difference in comparison to some of the less polished platforms like Poloniex and Bittrex.