Could have made a similar post on Steam community of CS:GO, and I'm pretty sure through that you could have gotten him reported much faster ..
If he brags about his pixels, then that means he has no money outside of the game
-also who the fuck brags about pixels? Sure you can transform all those skins to real money, but who the hell cares? Scammer or not, everyone needs some maturity to their life, sure its fun to show off your shit, but keep bragging about is stupid.