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DragonEX is the trading platform, which covers BTC, ETH, USDT markets as well as provides pairs against DX, the platform’s native token. 
Negocie Coins is a centralized cryptocurrency exchange. Negocie Coins is incorporated by ZATER Capital company in Brazil, where it is based. 
TRX Market is a Decentralized cryptocurrency exchange based in the N/A. The exchange was launched in 2018. Its reported volume is about 0 $ as for 8 October 2019. TRX Market has 7 available trading pairs and 6 coins. Deposits are on the exchange. TRX Market doesn't have Fiat deposits option. Margin...