I would like to know which famous online forums that have their own currency or some sort of points system installed. Usually, the points are collected by posting, creating threads, voting in polls, and exchanging them with other members for various tasks, etc
Qassia is the only one that comes to mind right now. It's a pretty good site which needs a referral to join, so take a look and if you want to join check back with me and I'll refer you. donrock