If you can sign a message from one of those addresses you will get back your account quickly.
BTC Address for payout: 3JsknZV5h6Bn6DDoMDMG7m6xvjVv91P7vm
Rank: Jr. Member
Current post count:52
BTC Address: 31nSfRyDcfYmLjCLrckQNJGayN9PQKkCJz
You have also another addy from kucoin but I don't know if you still have control on it, you can't sign a message but maybe send a few satioshi to the recovery team for proof. IDK.