@ranaprime I cannot give you my opinion of those you have named, since I have not used them yet. Of those that have a daily volume similar to the ones you have named (between 4,200 and 4,600 BTC) but is not on your list, I still like Poloniex, founded in 2014, and the king of exchanges during 2014-2017 approximately. I'm still using it, I guess out of nostalgia. The future of Poloniex and the exchanges you have named is to continue to exist and continue to grow, always with the permission of the "big ones" allow it, we already know that big fish almost always eat small ones.