Send a email torecovery team, here is the email address  from original mail associated with your account. You should include you username and you have to explain briefly how your account locked/hacked. Since you had not signed btc address your ETH address would help you if you are lucky enough. You should include your unedited post link as a proof of ownership. If you don't know how to sign message from ETH address then this article would help you. I believe you have private key of your unedited ETH address. So try this method hope you it will help you recover your account.