you can only prove the ownership over your account if you have posted an address here or you send a PM to other with your bitcoin address and you can sign it otherwise no one will buy your account or someone might be interested but you will get very low offers
2) If you bothered to read , his account was (supposedly) hacked so he is no longer selling the account, it was the hacker who was trying to sell it.
3) Don't post a post which makes you look stupid.
1. im writing my post above just before he posted that
2. i just guided him because of his post i quoted
3. really?
i cant verify your signed message buddy.
To OP please lock this thread now to avoid unnecessary discussion, after 1 hour though, some people may still have some concerns.
check i edited my post above just before you made this post. dont try to look stupid