YFI - The Governance Token of Yearn.finance YFI, or Yearn.finance, is a governance token that powers the Yearn.finance ecosystem. Yearn.finance is a decentralized finance (DeFi) platform that allows users to earn yield on their cryptocurrency assets through automated yield farming strategies. The YFI token was launched in July 2020 and quickly gained popularity in the DeFi community. It has become one of the most valuable tokens in the market, with a market capitalization of over $4 billion a...