What is Yield Farming?
Crypto Glossary Definition
Yield farming is a process of earning interest and generating a return on capital within the DeFi & Ethereum ecosystem. This refers to a combination of numerous techniques involving incentive schemes, liquidity pools and leverages borrowing. Popular platforms where yield farming takes place include Compound, Aave, 0x, Balancer, Uniswap and Synthetix.
Why Yield Farming Matters
Yield farming means moving funds between DeFi protocols to chase the highest available interest or reward rate, often reinvesting rewards to compound them. Advertised yields can be extremely high specifically because the underlying risk — smart-contract bugs, token price collapse, or impermanent loss — is also high.
Yield Farming in Practice
Imagine a DeFi user starting with a modest amount of stablecoins and deciding to chase the highest available return rather than just leaving them in a single savings-style protocol. They first deposit into a lending platform earning a modest interest rate, then notice a newer protocol advertising a much higher yield for supplying liquidity to one of its trading pairs, so they withdraw and move funds there instead, receiving reward tokens on top of trading fees for providing that liquidity. To squeeze out more return, they stake those reward tokens in yet another protocol that offers additional yield just for locking them up, effectively layering rewards on top of rewards across several platforms simultaneously — the exact behavior that gave yield farming its name, since it resembles constantly moving crops to whichever field currently produces the best harvest. The risks accumulate along with the layers: the trading pair could suffer impermanent loss if the two paired assets' prices diverge, any one of the several smart contracts involved could contain an exploitable bug, and the reward token itself could crash in value even while its advertised yield stays technically high in percentage terms. Farmers who ignore those risks chasing headline numbers well above typical rates are often the ones left holding worthless reward tokens once a protocol's incentives dry up or its liquidity gets drained.
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