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OceanEx is a centralized cryptocurrency exchange founded in November 2018. The company has headquarters in the Cayman Islands. Among the core members of the OceanEx team, there are people who worked in CISCO, Samsung Research, Baidu, Morgan Stanely, and some other big companies.
Bitget offers over 20 perpetual futures trading pairs and a rich set of features associated with futures trading. Beginners in crypto trading can buy their first cryptocurrencies right on Bitget as there is a fiat-to-crypto gateway on the platform. There are over 100 cryptocurrencies supported on the exchange which is quite a solid selection. You can trade on Bitget via an Internet browser or download an Android or iOS mobile app and use the platform on your mobile device. 
Bilaxy is a centralized cryptocurrency exchange launched in 2018. Its reported volume is about 98-105 mln. $. The exchange is available both in English and Chinese versions.  Bilaxy has 157 available trading pairs and 134 coins. Exchange provides the possibility of trading with a number of different altcoins against the ETH. The traders won’t find fiat currency trading, and also there is no trading against the BTC.