When World of Warcraft was released in 2004, it changed the face of gaming with its massive multiplayer universe. WoW is much more than just a succesful MMORPG: its complex universe behaves so much in the same way as a real society that it has even been used as a tool to teach us about the real world.

"WoW virtual currency, moeda virtual" (CC by 4.0) By Warkentien2
For instance, World of Warcraft has been used as an analogy to explain the complex Bitcoin digital currency. For example, if real-life Bitcoins are like WoW gold, then the Bitcoin blockchain is like Blizzard - regulating the market to ensure that currency is not generated or used unfairly. A major difference between the Bitcoin blockchain and Blizzard's data servers is that the blockchain is open source. This means that instead of having a centralised control point overlooking all transactions made, the blockchain is instead shared between everyone who uses it, making it nearly impossible for corruption to happen.
Users must "mine" (with special hardware, if they're looking ot make a profit) to generate Bitcoins. Sounds familiar" Much like in WoW, if you want to generate Bitcoins you have to invest money into specialised equipment, and invest time into the mining process in order to increase your chances of generating a winning block hash. When you mine in WoW there is the possibility of picking up random items along with the ore - and with Bitcoins you have the chance of getting ...