Is OKCoin safe and legit?

Could you please elaborate on the safety and legitimacy of OKCoin? I'm considering investing in cryptocurrencies but am cautious about choosing a reliable platform. Could you provide insights into the security measures OKCoin takes to protect its users' funds? Also, is OKCoin registered and regulated by any financial authorities? I would appreciate any information that can help me make an informed decision. Thank you for your time and assistance.