Axie Infinity is a digital pet universe where players battle, raise, and trade fantasy creatures called Axies! Axie has a fully player owned economy allowing players to seamlessly sell and trade their game assets for digital currency. To enable this, Axie game assets exist as tokens. It's developed by the gaming company Sky Mavis and runs through the cryptocurrency Ethereum. Axie Infinity is built on the Ronin Network, an Ethereum-linked sidechain developed by Sky Mavis.
The game uses a "pay-to-earn" model (also called "pay-to-play-to-earn" model) where after participants pay the starting costs, they can earn an Ethereum-based in-game cryptocurrency by playing.