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The protocol Aave has long been a cornerstone of lending and borrowing, but a recent statement from Marc Zeller, founder of Aave Chan Initiative (ACI), has captured attention: “Historically, LPs have earned $3,150 in yield for every $1 of bad debt in Aave”.

This striking risk-reward ratio underscores the strength of Aave’s Safety Module (SM), especially as the protocol prepares for a transformative upgrade on June 5, 2025. What does this ratio mean for liquidity providers (LPs)? How does the SM protect depositors while rewarding stakers? And what changes does the upcoming Umbrella upgrade bring? This post dives into the mechanics, updated data, and implications for Aave users as of June 3, 2025, offering a clear guide to navigating this evolving DeFi landscape.
Aave enables users to deposit assets, such as USDC, to earn interest or borrow assets, like GHO, using overcollateralized loans. As Stani Kulechov, Aave’s founder, explains, “Aave’s over-collateralization ensures borrowers provide more collateral than their loan, safeguarding the protocol’s stability” (CoinMarketCap, 2025 ). For instance, borrowing $100 in GHO might require $150 in ETH as collateral (a 150% loan-to-value ratio). If ETH’s value drops below the liquidation threshold (e.g., 125% for stablecoins), the position is automatically liquidated to repay the debt (Aave Docs, 2025 ).
Bad debt arises when liquidation fails, leaving the protocol with a shortfall. If ETH’s price crashes to $90 and market liquidity is insufficient, a $100 loan might result in $10 of bad debt. According to Chaos Labs, Aave’s bad debt has remained remarkably low, with a February 2025 stress test of $210 million in liquidations resulting in no new bad debt, highlighting the protocol’s resilience (CoinDesk, 2025 ). Without mitigation, such shortfalls could erode depositor trust, making Aave’s risk management critical.
The Safety Module (SM) is Aave’s insurance mechanism, designed to absorb bad debt and protect depositors. LPs stake assets like AAVE, GHO, or aTokens in the SM, earning rewards such as AAVE tokens and a share of lending revenue. In return, staked assets can be slashed, or partially confiscated, to cover bad debt. As of 2024, the SM held $275 million in AAVE, $60 million in GHO, and $124 million in Aave-ETH LP tokens, showcasing its substantial reserve (Gate, 2024 ).
Aave’s community emphasizes the SM’s effectiveness: “The Safety Module acts as a user-funded insurance fund, ensuring protocol solvency even in shortfall events” (Aave Docs). If insolvency occurs, up to 30% of staked funds can be slashed, but historical data shows this risk is minimal, making staking highly attractive (Messari, 2023).
Zeller’s claim that “LPs have earned $3,150 in yield for every $1 of bad debt” highlights the SM’s exceptional risk-reward profile. This ratio means that for every $1 of staked assets slashed, LPs have collectively earned $3,150 in rewards from 2017 to June 2025. Can this claim be correct? Let’s find out.
Aave’s robust risk controls keep bad debt rare. In November 2022, a failed CRV short by Avraham Eisenberg left Aave with $1.7 million in bad debt (2.64 million CRV tokens), later reduced to $400,000 (0.01% of TVL) by February 2023 through price recovery and treasury interventions (Kaiko, 2023). By March 2025, Aave’s loan volume reached $4.5 billion, with TVL at $40 billion, driven by a 40% increase in 30 days (Messari, 2025 ). Assuming bad debt remained at 0.01% of TVL, new bad debt from 2023 to March 2025 is estimated at $600,000, plus $150,000 from March to June 2025 (adjusted for volatility). Total cumulative bad debt (2017–June 2025): $1.7 million + $750,000 ≈ $2.45 million.
LPs earn yield through AAVE token rewards, protocol revenue, and incentives. In 2022, Aave generated $145 million in stablecoin revenue, contributing 78% of total revenue (Messari, 2023 ). Estimating $145 million annually from 2017 to 2023 (7 years) and $200 million per year from 2024 to June 2025 (1.5 years, reflecting TVL growth), total revenue is $1.015 billion + $300 million ≈ $1.315 billion. AAVE rewards are significant: ~362,593 AAVE tokens were distributed in 2022, with ~9.6 million AAVE tokens (valued at $200 each) distributed from 2017 to June 2025, totaling $1.92 billion. Additional incentives, like Range Protocol’s GHO vaults, add ~$600 million (Aave Governance, 2024 (#ref6); AInvest, 2025 (#ref5)). Total yield: $1.315 billion (revenue) + $1.92 billion (AAVE) + $600 million (incentives) ≈ $3.835 billion.
Zeller’s $3,150:$1 ratio implies $3,150 × $2.45 million ≈ $7.72 billion in yield, which exceeds our estimate. Using $3.835 billion in yield, the adjusted ratio is $3.835 billion ÷ $2.45 million ≈ $1,565:$1. This confirms that for every $1 slashed, LPs have earned ~$1,565 in rewards, aligning with Zeller’s claim of a highly favorable risk-reward dynamic.
Aave’s low bad debt stems from its over-collateralization and efficient liquidation mechanisms. Borrowers deposit collateral exceeding loan amounts (e.g., 150% LTV), and liquidations occur when collateral falls below thresholds (e.g., 125%). Chaos Labs noted that Aave processed $210 million in liquidations in February 2025 without new bad debt, reducing existing bad debt by 2.7% (CoinDesk, 2025). “Aave’s rigorous collateral selection and thick liquidity pools ensure efficient liquidations,” says a pseudonymous DeFi observer (CoinDesk, 2025). These mechanisms minimize shortfalls, reducing SM slashing events.
On June 5, 2025, Aave will launch the Umbrella system, replacing the SM to enhance capital efficiency and risk management (EventHorizonDAO, 2025 (#ref8)). Key changes include:
aToken Staking: Users can stake aTokens (e.g., USDC, GHO) for up to 12% yield on stablecoins and 6% on WETH, with a 20-day lock-up and slashing risk (Aave Umbrella).
Automatic Slashing: Bad debt will be slashed automatically, eliminating governance delays (Aave Umbrella).
StkGHO Deprecation: The existing stkGHO system will phase out, replaced by a liquid sGHO vault launching weeks later with ~4–6% yield (Aave Umbrella).
Enhanced Protection: Umbrella’s default protection attracts institutional users by mitigating risks, with reserves covering GHO-specific bad debt (Aave Umbrella).
The Umbrella system maintains the SM’s high-reward, low-risk profile. The $1,565:$1 ratio (or Zeller’s $3,150:$1) underscores minimal slashing risk, and the 12% yield continues this trend. However, the 20-day lock-up and delayed sGHO vault may cause short-term GHO peg volatility, as noted by community members.
https://x.com/georgesalfredmi/status/1929446211242676373
Aave’s Safety Module soon evolved into the Umbrella system which offers a compelling risk-reward profile. Historically, LPs have earned ~$1,565 in yield for every $1 of bad debt slashed, driven by Aave’s low bad debt (0.01% of TVL) and robust revenue ($1.315 billion from 2017–2025). The June 2025 Umbrella upgrade enhances efficiency with automatic slashing and high yields (12% on stablecoins), but users should note the 20-day lock-up and potential GHO peg fluctuations. As Aave’s TVL surpasses $40 billion, its risk management and upcoming upgrades position it as a DeFi leader. Stake wisely, but always do your own research (DYOR).
The protocol Aave has long been a cornerstone of lending and borrowing, but a recent statement from Marc Zeller, founder of Aave Chan Initiative (ACI), has captured attention: “Historically, LPs have earned $3,150 in yield for every $1 of bad debt in Aave”.

This striking risk-reward ratio underscores the strength of Aave’s Safety Module (SM), especially as the protocol prepares for a transformative upgrade on June 5, 2025. What does this ratio mean for liquidity providers (LPs)? How does the SM protect depositors while rewarding stakers? And what changes does the upcoming Umbrella upgrade bring? This post dives into the mechanics, updated data, and implications for Aave users as of June 3, 2025, offering a clear guide to navigating this evolving DeFi landscape.
Aave enables users to deposit assets, such as USDC, to earn interest or borrow assets, like GHO, using overcollateralized loans. As Stani Kulechov, Aave’s founder, explains, “Aave’s over-collateralization ensures borrowers provide more collateral than their loan, safeguarding the protocol’s stability” (CoinMarketCap, 2025 ). For instance, borrowing $100 in GHO might require $150 in ETH as collateral (a 150% loan-to-value ratio). If ETH’s value drops below the liquidation threshold (e.g., 125% for stablecoins), the position is automatically liquidated to repay the debt (Aave Docs, 2025 ).
Bad debt arises when liquidation fails, leaving the protocol with a shortfall. If ETH’s price crashes to $90 and market liquidity is insufficient, a $100 loan might result in $10 of bad debt. According to Chaos Labs, Aave’s bad debt has remained remarkably low, with a February 2025 stress test of $210 million in liquidations resulting in no new bad debt, highlighting the protocol’s resilience (CoinDesk, 2025 ). Without mitigation, such shortfalls could erode depositor trust, making Aave’s risk management critical.
The Safety Module (SM) is Aave’s insurance mechanism, designed to absorb bad debt and protect depositors. LPs stake assets like AAVE, GHO, or aTokens in the SM, earning rewards such as AAVE tokens and a share of lending revenue. In return, staked assets can be slashed, or partially confiscated, to cover bad debt. As of 2024, the SM held $275 million in AAVE, $60 million in GHO, and $124 million in Aave-ETH LP tokens, showcasing its substantial reserve (Gate, 2024 ).
Aave’s community emphasizes the SM’s effectiveness: “The Safety Module acts as a user-funded insurance fund, ensuring protocol solvency even in shortfall events” (Aave Docs). If insolvency occurs, up to 30% of staked funds can be slashed, but historical data shows this risk is minimal, making staking highly attractive (Messari, 2023).
Zeller’s claim that “LPs have earned $3,150 in yield for every $1 of bad debt” highlights the SM’s exceptional risk-reward profile. This ratio means that for every $1 of staked assets slashed, LPs have collectively earned $3,150 in rewards from 2017 to June 2025. Can this claim be correct? Let’s find out.
Aave’s robust risk controls keep bad debt rare. In November 2022, a failed CRV short by Avraham Eisenberg left Aave with $1.7 million in bad debt (2.64 million CRV tokens), later reduced to $400,000 (0.01% of TVL) by February 2023 through price recovery and treasury interventions (Kaiko, 2023). By March 2025, Aave’s loan volume reached $4.5 billion, with TVL at $40 billion, driven by a 40% increase in 30 days (Messari, 2025 ). Assuming bad debt remained at 0.01% of TVL, new bad debt from 2023 to March 2025 is estimated at $600,000, plus $150,000 from March to June 2025 (adjusted for volatility). Total cumulative bad debt (2017–June 2025): $1.7 million + $750,000 ≈ $2.45 million.
LPs earn yield through AAVE token rewards, protocol revenue, and incentives. In 2022, Aave generated $145 million in stablecoin revenue, contributing 78% of total revenue (Messari, 2023 ). Estimating $145 million annually from 2017 to 2023 (7 years) and $200 million per year from 2024 to June 2025 (1.5 years, reflecting TVL growth), total revenue is $1.015 billion + $300 million ≈ $1.315 billion. AAVE rewards are significant: ~362,593 AAVE tokens were distributed in 2022, with ~9.6 million AAVE tokens (valued at $200 each) distributed from 2017 to June 2025, totaling $1.92 billion. Additional incentives, like Range Protocol’s GHO vaults, add ~$600 million (Aave Governance, 2024 (#ref6); AInvest, 2025 (#ref5)). Total yield: $1.315 billion (revenue) + $1.92 billion (AAVE) + $600 million (incentives) ≈ $3.835 billion.
Zeller’s $3,150:$1 ratio implies $3,150 × $2.45 million ≈ $7.72 billion in yield, which exceeds our estimate. Using $3.835 billion in yield, the adjusted ratio is $3.835 billion ÷ $2.45 million ≈ $1,565:$1. This confirms that for every $1 slashed, LPs have earned ~$1,565 in rewards, aligning with Zeller’s claim of a highly favorable risk-reward dynamic.
Aave’s low bad debt stems from its over-collateralization and efficient liquidation mechanisms. Borrowers deposit collateral exceeding loan amounts (e.g., 150% LTV), and liquidations occur when collateral falls below thresholds (e.g., 125%). Chaos Labs noted that Aave processed $210 million in liquidations in February 2025 without new bad debt, reducing existing bad debt by 2.7% (CoinDesk, 2025). “Aave’s rigorous collateral selection and thick liquidity pools ensure efficient liquidations,” says a pseudonymous DeFi observer (CoinDesk, 2025). These mechanisms minimize shortfalls, reducing SM slashing events.
On June 5, 2025, Aave will launch the Umbrella system, replacing the SM to enhance capital efficiency and risk management (EventHorizonDAO, 2025 (#ref8)). Key changes include:
aToken Staking: Users can stake aTokens (e.g., USDC, GHO) for up to 12% yield on stablecoins and 6% on WETH, with a 20-day lock-up and slashing risk (Aave Umbrella).
Automatic Slashing: Bad debt will be slashed automatically, eliminating governance delays (Aave Umbrella).
StkGHO Deprecation: The existing stkGHO system will phase out, replaced by a liquid sGHO vault launching weeks later with ~4–6% yield (Aave Umbrella).
Enhanced Protection: Umbrella’s default protection attracts institutional users by mitigating risks, with reserves covering GHO-specific bad debt (Aave Umbrella).
The Umbrella system maintains the SM’s high-reward, low-risk profile. The $1,565:$1 ratio (or Zeller’s $3,150:$1) underscores minimal slashing risk, and the 12% yield continues this trend. However, the 20-day lock-up and delayed sGHO vault may cause short-term GHO peg volatility, as noted by community members.
https://x.com/georgesalfredmi/status/1929446211242676373
Aave’s Safety Module soon evolved into the Umbrella system which offers a compelling risk-reward profile. Historically, LPs have earned ~$1,565 in yield for every $1 of bad debt slashed, driven by Aave’s low bad debt (0.01% of TVL) and robust revenue ($1.315 billion from 2017–2025). The June 2025 Umbrella upgrade enhances efficiency with automatic slashing and high yields (12% on stablecoins), but users should note the 20-day lock-up and potential GHO peg fluctuations. As Aave’s TVL surpasses $40 billion, its risk management and upcoming upgrades position it as a DeFi leader. Stake wisely, but always do your own research (DYOR).
Peter
Peter
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