I will be reviewing on poloniex, poloniex is a cryptocurrency exchange that was launched in 2014 by Tristan D'Agosta.is also a cryptocurrency exchange that offers crypto buying and selling opportunities to users across the globe,To me poloniex has been the the greatest platform I can trade my crypto exchange on.why?cause it's a very reliable and trustworthy platform to trade on.thete also buy,sell and trade Bitcoin (BTC), Ethereum(ETH) and Tron(TRX),and it has the best altcoins on the market with the legendary crypto exchange. As of February 2020,it has over 100 markets available for spot, poloniex also list smaller cryptocurrencies like blackcoin,is also one of the safest exchange to trade with.