I started on a simpler exchange with way less coins. Once i started wanting more versatility in coins and number of pairs i came to Bitfinex. At first i was put back a little because of all the verification steps but once i was done with that it was all the way up. Special mention to the easy to get into UI that gets you ready to trade with-in a few minutes, yet lets you dig deep once you've the time to fully explore all its features. Easy of use with the possibility to do deep. I really don'See full review