That's the thing: I haven't posted any bitcoin address, ever.
If needed, my post history pre-hacking shows lots of posts regarding various sportsbooks, for example Fairlay. I can prove I have the same user on Fairlay, if need be.

I can commend you on your choice of unique and complex password (I use a password manager-generated password and 2FA auth for sites that really matter to me), but I rather doubt that someone bruteforced my password for this site.