Yearn.finance is a group of protocols running on the Ethereum blockchain. They allow users to optimize their crypto earnings using trading and lending services.
Yearn.finance crypto provides its services only using code, eliminating the need for financial intermediaries such as banks and custodians. The system is based around its YFI cryptocurrency.
As mentioned, the Yearn finance coin is YFI, and users can earn YFI tokens by locking cryptocurrencies into the contacts on the yearn.finance contracts. These contracts run on Balancer and Curve DeFi platforms. The Yearn coin capitalises on yield farming, where users lock up assets in a DeFi protocol and earn more cryptocurrencies while doing so. The more assets locked, the more tokens awarded.
The yearn.finance platform is made of several products working simultaneously: APY, EARN, Vaults, and Zap.
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