DeFi Lending: Returns, Leverage, and Liquidation Risk

Jonathan Chiu and Furkan Danisman

No 2026-13, Staff Analytical Papers from Bank of Canada

Abstract: We study decentralized lending on Aave V3, the largest DeFi lending protocol by total value locked. Using transaction-level data, we analyze its revenue model, borrower behavior, and liquidation dynamics. We find that protocol earnings are concentrated in a few tokens, that many users engage in recursive leverage despite overcollateralization requirements, and that liquidations occur in concentrated waves but have limited impacts on broader markets. Overall, DeFi lending with proper governance is operationally viable, but it also faces constraints related to capital efficiency, liquidation risk, and systemic fragility within the crypto ecosystem.

Keywords: Money and payments; Digital assets and fintech; Payment and financial market infrastructures (search for similar items in EconPapers)
JEL-codes: E50 E58 (search for similar items in EconPapers)
Date: 2026-04
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