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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. 
Paribu is a digital assets trading platform with the highest trading volume in Turkey. Allowing for Turkish Lira (TRY)-cryptocurrency transactions as a trading platform where buyers and sellers meet, Paribu has around 600,000 users. The daily trading volume on Paribu is $30 million. The number of cryptocurrencies traded on Paribu market is currently 22. Transactions can be made 24/7, including weekends, on Paribu. In addition, Paribu provides 24/7 technical support services for its clients.