There is a thread in questions/feedback that should answer all further questions you have. The author is (of course) wulf.
If you made an ATA account, you can use that, but if you did not, then your outta luck because the devs stopped changing accounts around if you email them.
I tired the ata with my email already but it didn't work and I couldn't find the account when I searched so I guess I'm starting over
An account solely designed to be reset if bought off a certain player, therefore causing the buyer to lose somewhere around 96% of the gold they spent on it.