DeFi Yield Farming: APY Mechanics and Risk Framework

Frequently Asked Questions

01.What is the difference between APR and APY in DeFi?

APR (Annual Percentage Rate) is the simple interest earned over a year, while APY (Annual Percentage Yield) accounts for the effect of compounding. Daily compounding can turn a stated APR into a materially higher effective annual yield. Protocols compounding every block show an even larger divergence between the two metrics.

02.Is yield farming safe for retail users?

Yield farming carries significant risks including smart contract vulnerabilities and impermanent loss. The industry lost well over a billion dollars to hacks in 2024, with DeFi protocols accounting for the majority of incidents per Immunefi's annual loss report. Audited vaults, diversified protocol exposure, and conservative health factors reduce risk materially.

03.Why do APYs drop over time in yield farming?

APYs drop as more capital enters the pool, diluting per-user rewards, or as the protocol's governance token price decreases. New L2 farms in 2024 typically sustained high APYs for only 14 to 21 days before normalizing to market averages as liquidity aggregated.

04.What is stablecoin farming?

Stablecoin farming involves providing liquidity for pegged pairs like USDC/USDT. Because both assets are dollar-pegged, impermanent loss is near zero. In early 2025, stablecoin yields averaged five to seven percent annually, offering a lower-volatility entry point for institutional capital seeking on-chain yield.