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ChainX is a centralized exchange based in Korea, launched in March 2019. It provides investors with access to KRW fiat/cryptos pairs, charging zero deposit fees. 
BitcoLoan is the marketplace where people can borrow or lend money.
Margex is a next-generation cryptocurrency exchange for derivative trading, founded in 2019. It has rapidly gained the trust and recognition of thousands of users as a thriving platform where you can engage in leveraged trading up to 100x with cryptocurrencies such as Bitcoin, Ethereum, Polygon, and many others paired with the US Dollar.