Bitfinex has the most advanced features such as One Cancel the Other order, Margin trading, Margin Funding, Trailing Stop and hidden order. With these features it has become one of the unique exchange to use. I use Margin trading to fund my orders with good leverage as well as I use Margin funding to give my fiat deposit on loan to other traders when the market is not good. I have had some great experiences with the support team. They were on time and very professional. The exchange is best for See full review