I recommend Bitfinex to anyone that is looking for a really secure crypto trading platform with amazing professional features, such as, user friendly but advanced platform, easy verification with 1-3 days average of waiting time, the fees are really low or nonexistent in some coins and a lot of high quality assets to trade. They support lots of fiat currencies to deposit such as Us Dollar, Euro, GBP, JPY and CNH, in my opinion this is big, before they only used to support USD which made it hard See full review