Ethfinex exchange was established in 2018 and further rebranded to DeversiFi. DeversiFi is a decentralized exchange, allowing you to trade with assets by connecting your Ethereum wallet to the platform without registration.
Sistemkoin is the Turkish cryptocurrency exchange offering crypto-to-fiat (Turkish Lira, US Dollar and Euro) as well as crypto-to-crypto (BTC, ETH, MISC, USDT) trading services. The exchange is operated by Orenda Yazılım A.Ş company.