# Ecosystem and Economy

## In-Game Currency

Lazy Football's economy revolves around four key assets:

* Gems: The premium currency used for boosting, upgrading NFTs, speeding up construction, and wagering on friendly matches.
* LAZY: The in-game currency used for player salaries, upgrading infrastructure, and buying players on the Market.
* USDC: Used for purchasing Gems and trading NFTs on the Marketplace.
* ETH: Required for transaction fees on the Arbitrum One blockchain.