Trade Coins is a cryptocurrency exchange that I have come across looking at the exchange rankings. And, honestly, I was amazed that it is in the number 1 place (adjusted volume section). I really have my suspicions that this volume is real, however some Brazilian news blogs like LiveCoins published news putting it in the first place overtaking Binance. As of today, the pairs it offers are only Bitcoin, Litecoin, Bitcoin Cash, Dash, Dogecoin, Bitcoin Gold and SegWitx2 in exchange for the Brazilian FIAT currency. You can check their commissions here: Trade Coins, I basically open the topic to discuss the volume you are getting