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Based in the British Virgin Islands and Operated by BTC King Technology Co., Ltd, BKEX is a multi cryptocurrency Exchange.
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.