Serenity Review

Coinmate is a UK-based cryptocurrency exchange, launched in 2013. According to its official website, the exchange is aimed at Security, Speed, and Reliability.

Introducing Amplify Exchange — A Global Crypto Exchange

Xena Exchange is a centralized cryptocurrency exchange providing BTC, ETH and USDT markets. Among Xena products there are decentralized accounts, which combine the possibility to control your funds directly with the liquidity of centralized exchanges.