Safe Currency Review

Trade.io (currently (TIOmarkets) is a centralized trading platform. In October, 2019, the Trade.io exchange suspended its operation and rebranded in TIOmarkets to be able to provide more markets, such as forex, shares, indexes, metals and cryptos. 

EtherFlyer is a decentralized exchange started in 2018. It maintains trading with pairs structured against BTC and ETH. 

Liquid is a new exchange that was based on Japanese Quoinex and Qryptos exchanges in 2018. Liquid’s World Book combines a global network of liquidity sources by leveraging Quoine's Matching Engine, Smart Order Routing, and Cross Currency Conversion Engine technologies.