It’s not gambling.
For those who don’t understand it, let me explain it. In games like World of Warcraft, you can do things like finish quests, mine ore or find treasure that you can sell to other players or the game system itself for in-game currencies of copper, silver or gold coins.
Since the cost of some higher end items in the game cost thousands of gold, some players (in breach of game rules) will buy the in-game gold for real world cash. They will send someone their paypal payment and the person will send them the gold in the game.
This creates a real-world exchange rate for the currency “World of Warcraft Gold”. The current exchange rate is around 1 cent for 5 gold at some of the bigger illegal sellers. So a Chinese prisoner who can “farm” 500 gold in a 12 hour session, can earn $1.00 per session for their guards.
thanks, the most I know about WoW Warcraft was the South park classic parody which won the Emmy for best animated episode.