Yearn.Finance (YFI) is a set of protocols that operate on the Ethereum blockchain, offering yield generation, lending aggregation, and insurance.

The Yearn protocol specializes in yield aggregation and helps in automated improvement in investments. The idea behind creating this group of protocols was to maximize profit from stable coins. Today over $650 million worth of assets (including crypto assets) are staked in Yearn. It is maintained by several independent developers while being under the governance of YFI holders.