Steam Community Market beta allows you to buy and sell items in Team Fortress 2

Valve are now letting you buy and sell items using real money and the Steam wallet. The new Community Market is currently in beta and only available for Team Fortress 2 but will soon be expanding to other games.It's quite the exciting thing.

Valve's Steam Community Market could change how we pay for - and play - video games

The Orange Box - PC : Video Games

An introduction to NFTs

Noticias - TF2 Official Blog

The Orange Box - PC : Video Games

Buy and sell in-game items at the Steam Community Market – Destructoid

Сообщество Steam :: Руководство :: Utilizing the Advanced Options

Steam Community Market For In-Game Items – GameAxis

Steam Community Market: What It Is And How To Use It

Valve is not your friend, and Steam is not healthy for gaming - Polygon

Steam Community :: Guide :: Using the Steam Community Market