Is OKX legal in Hong Kong?

Excuse me, I have a question about the legality of OKX in Hong Kong. I've been hearing a lot about cryptocurrency exchanges recently and OKX seems to be one of the more popular ones. However, with the complex regulatory environment surrounding cryptocurrencies, I'm not quite sure if it's legal to use in Hong Kong. Could you please clarify this for me? Is OKX registered and compliant with the relevant authorities in Hong Kong? Are there any specific laws or regulations that I should be aware of when using OKX in Hong Kong? Thank you for your time and assistance.