There are some good exchanges you can use it for trading such as BitTrex,binance,poloniex,hitbtc, cryptopia...
Choose good coin & start trading on these exchanges
There are many sites that well recommended to use and to trade of all your coins. You mentionabove is good so I am using bittrex, binance and kucoin. All these are good to use and secured some of these asks for kyc to process withdrawal.