Coinex is scam ,
Today many users reported Coinex suspended accounts as randomly and answer tickets to users :

Dear Hello,

Thank you for your inquiry.

Director of the Department of Finance decided to block your account and this is no reason for me not reported.

Please do not hesitate to contact us if you have any further questions.

Thanks,

Customer Support- CoinEx
The Global Digital Coin Exchange

According to the latest news, the company is based in Hong Kong with Iranian business partners who are directly related to the Iranian government.
Even some other reports indicate that Iranian users' information was sold to Iran's security chiefs.