Bitfinex is really out of this world exchange as they are giving me excellent features to use and great profit margins ,their signing procedure was also superb and very quick they didn’t even charge much trading fees which I was afraid of and more than that they don’t even charge high withdrawal commission can you believe that, I was thinking this is roumer but believed it when felt myself after trading and withdrawal of my money. with them I feel that my money is secure as they only trade .5% oSee full review