Play-to-earn is a business model in the video game industry that allows players to earn rewards, usually in the form of cryptocurrency or in-game items, by playing the game. In a play-to-earn game, players can earn rewards by completing in-game tasks or achieving specific goals. These rewards can then be exchanged for real-world value or used to purchase in-game items or upgrades.

Play-to-earn games typically use blockchain technology to create a secure and transparent way to track and verify the rewards earned by players. This means that players can be sure that the rewards they earn are legitimate and can be easily traded or sold on cryptocurrency exchanges.

One of the most popular examples of a play-to-earn game is Axie Infinity, a blockchain-based game that allows players to earn cryptocurrency by breeding, battling, and trading creatures called Axies. Other examples include The Sandbox, My Neighbor Alice, and Alien Worlds.

The play-to-earn model is becoming increasingly popular as a way for game developers to monetize their games while also providing players with a fun and engaging experience. It also provides a way for players to earn income from playing games, which can be especially valuable in countries with high unemployment rates or limited job opportunities.