Aave V3’s Strategy Shields Lenders but Puts Borrowers at Risk
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A recent staff paper from the Bank of Canada highlighted Aave V3’s effective avoidance of bad debt during 2024, crediting its model for preventing borrower defaults. However, the study noted a significant shift in risk that placed the burden on borrowers during liquidations.
The research revealed that Aave V3 managed to achieve a remarkable zero non-performing loans by leveraging overcollateralization and automated liquidation processes. This framework ensured that lenders faced minimal losses within its Ethereum lending ecosystem.
Data spanning from January 27, 2023, to May 6, 2025, was analyzed, showing that the automated liquidations typically took place before the collateral values dipped below the debts owed. This mechanism provided a safeguard for lenders, effectively controlling losses across the board.
Nonetheless, the study pointed out the inherent tradeoffs in Aave’s operational model. While this system insulated lenders from unrecovered losses, it simultaneously transferred the risks associated with market fluctuations onto borrowers, thereby diminishing capital efficiency when compared to conventional lending frameworks.
According to the findings, Aave V3’s functionality is built upon automated risk management rather than traditional loan underwriting. This requires borrowers to provide collateral exceeding the amount they intend to borrow, with automatic liquidation enforced when specific risk parameters are violated.
The paper also indicated a notable trend in borrowing activity, highlighting that recursive leverage significantly influenced demand. This strategy, which entails re-borrowing using collateral as a basis, accounted for over 20% of the total borrowing volume and 8.2% of borrowing transactions during the study period.
As market volatility increased, borrowers found themselves facing heightened exposure, particularly during liquidation events. The analysis revealed that liquidations often emerged in concentrated bursts, with four primary assetsβWrapped Ether (WETH), Wrapped Staked Ether (wstETH), Wrapped Bitcoin (WBTC), and Wrapped eETH (weETH)βmaking up 90% of the total liquidated value.
Estimated losses for borrowers during substantial liquidation occurrences were deemed substantial. The report specified that liquidation fees usually ranged between 5% and 10% of the liquidated value, with potential missed gains during subsequent market rallies compounding losses to between 10% and 30% in specific scenarios.
Ultimately, the staff paper concluded that while Aave V3’s configuration effectively safeguards against unrecovered debts, it does so at the expense of borrowers, who may face drastic financial impacts when collateral values sharply decline.

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