Designed and operated in the United States, Bittrex is the next generations’ crypto trading platform.Bittrex is my hot favourite as far as Security is concerned.The Bittrex platform operates and executes orders once they are placed so you will never find a crossed order book or any delay in processing of any trades.On the Contrary there are many Lacunas...Bittrex Registration is quite tedious and time consuming.To add to it many users are facing Log In issues frequently.Its Trading and WithdrawaSee full review

Poloniex is a pure crypto to crypto exchange based in the United States. With a grand redesign in early 2015 the site has added a wealth of features to provide a fully immersive trading experience.It is user-friendly exchange with good customer support and provided with easy withdrawal process.Its highly secured too.See full review