User blog comment:Spike the Dragon/Questions I have about of few of these things/@comment-5691231-20140225214857/@comment-1038387-20140225221402

The "You are responsible for all actions on your own account"-line is indeed the crux here. You were hacked? Or your little brother played around with your account? Sorry, we've heard it all before.

Though there are quite a few admins that would unblock you out of good faith, that's no guarantee these admins will. They don't have to. You could try asking if your indefinite block could be changed into a shorter block, though.