Bittrex is trusted and old cryptocurrency exchange with good trading volume. Bittrex exchange user interface is bit harder for new traders of bittrex but for pro traders its very useful. Deposit fiat money, then buying specific cryptocurrencies for out interest (mostly in the USD market), after few tradings - we convert it again to USD and withdraw this fiat money and transfer it to our customers.
Bittrex exchange with very serious people in charge, they add many coins but after an exhaustiveSee full review