Is Coinone legitimate?

Could you please provide some insight into the legitimacy of Coinone? As a cryptocurrency exchange, it's important for users to have confidence in the platform's security, transparency, and regulatory compliance. Are there any red flags or positive indicators that suggest Coinone is a trustworthy and reliable option for trading digital assets? How does it compare to other major exchanges in terms of reputation, user experience, and overall trustworthiness? Thank you for your assistance in clarifying this matter.