Top 7 cryptocurrency exchanges

[ash81]

Top 7 cryptocurrency exchanges in the world
Buy any altscoin and sell without any tension and thise exchanges valumes created very high so guys please read and use thise exchanges

1. binance
   2.Poloniex
   3.Bitmex
   4.Huobi
   5.yobit
   6.changelly
   7.bittrex