OKCoin uses various security systems to safeguard the funds of its customers. Binance, however, charges a constant fee of 0.1% just like OKCoin, but provides an additional 0.025% discount when its users pay using BNB (Binance Coin). As a comparison, Coinbase charges fees of 0.5 to more than 1%, besides spreads. All reviews OKCoin app…