CryptoNinjas - Bitcoin, Cryptocurrency & Blockchain Asset SourceSingapore based cryptocurrency exchange COSS, today announced it has implemented a negative maker fee program for all its traders. The implementation comes days after the exchange added 0% maker fees – waiving off all trading fees for those acting as market makers of orders during trading. COSS is popular among its users for being extremely community-oriented. […]https://www.cryptoninjas.net/2019/07/16/crypto-exchange-coss-introduces-...