Decentralized finance (DeFi) produced roughly $8 billion in onchain yield in 2025, according to a detailed analysis published by researcher Vadym that maps the full spectrum of where DeFi returns actually originate. The breakdown reveals that yield is abundant in aggregate but unevenly distributed, often circular, and in many cases difficult to package into structured products.
The findings land as yields across DeFi have dried up. Borrowing rates on major lending platforms have converged with the Federal Reserve's policy rate, and "safe" stablecoin supply rates now average roughly 3% — below U.S. Treasuries and the Secured Overnight Financing Rate. On Aave, the 30-day average yield on USDC and USDT sits around 2%. Out of more than $20 billion in stablecoin vaults across Ethereum and its Layer 2s, 58% of TVL is earning under 3% APY, the report notes.
Where the $8 Billion Comes From
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