D2FG
D2FG is a scammer's worst nightmare. You trade stuff online with people who might be total fakes. Mediators and forums help you not get roasted by fake players who try to steal your gear.
"I traded my rare sword for a fake item. D2FG saved me from getting gutted."
"That guy tried to scam me. I called a mediator and he got banned."
"I thought I was trading with a pro, but he was just a noob with a fake account."