What is yearn.finance?
Yearn Finance is a Yield aggregator built on the Ethereum network that is able to maximize yield by dynamically allocating liquidity to a number of different DeFi protocols. It is an Ethereum DAPP that automatically allocates supplied liquidity to different pools in the DeFi ecosystem. It can be seen as an automatic yield farming protocol that searches the market for the best return opportunities and supplies the pooled liquidity to said opportunities.
What is unique about Yearn Finance is that it opens up the complicated yield farming strategy to your average crypto user. You merely need to select the desired strategy on their simplified dashboard to start earning. It is taking a complex involved process and converting it to a simple user interface.