Oasis exchange has it own native token. The exchange was solely made for the Korean traders. The trading environment is not impressive but aids easy navigation. The exchange allowed transfer via bank, crypto currencies and fiat currency which is the KRW. Registration was not too stressful though, but before any withdrawal process, you must pass through a stressful KYC verification process, after my first withdrawal, I was discouraged on the KYC verification process. That was how I left oasis. Please the exchange is good though, but I was not okay with their services. Please try to use the exchange before you write review about them. Established in the year 2019 as a centralized exchange in Korea. The telegram group is not active, this seems very suspicious