Lately a new "Exchange 2.0" taking over. Bittrex & Polo suffer from many complains, locking accounts and many other issues.
Kucoin & Binance are quite different. they have their own token which give benefits.
Both are going very big in Asia and International.
Check out how Kucoin perform vs other exchanges:
https://www.kucoin.network/Your opinion?
Kucoin, i haven't heard of it before till now. Gonna have to check that out.
Binance on the other hand really has great potential to grow bigger than it is today and really rewch the level of bittrex and polo. (Dont like polo that much to be honest)