We only allow trading of items, vouchers, games and content that is provided via the steam trading system. We prohibit trading of any third party materials. This includes, but is not limited to:
CD Keys, Gift Cards, External accounts (Minecraft, Youtube, Facebook, Itunes, Steam accounts). Exploitation of this rule may result in a ban.
PayPal and monetary trading are now accepted.
If you do participate in these trades, please make sure to record and document the entire process with video and/or screenshots to combat fraud.
You can report a user for scamming here.