tk
391 posts




USDC and USDT on Aave are pinned at 100% utilization. Lenders can't withdraw. So why is the yield only 13.5%? Under the old model, a pool hitting 100% utilization would send supply APY to 40%, 60%, sometimes 80%+ within minutes. That's what everyone remembers from the 2022 USDT squeeze on Aave V2. Rate goes vertical. Borrowers get liquidated. Suppliers feast. That's not happening this time. Here's why. Aave rolled out something called the Slope2 Risk Oracle earlier this year. Instead of rates spiking instantly when utilization pins, the curve escalates GRADUALLY based on how long the pool stays stressed. A 1-hour spike barely moves the rate. A 24-hour spike moves it some. A 72-hour spike starts to hurt. The ceiling is also lower. Stablecoin slope2 now targets 10-12%. Used to be 22-35%. So instead of a panic rate explosion, you get a slow burn. Who wins from this design? Borrowers. Including the attacker still sitting on $236M in WETH debt, paying a fraction of what they'd be paying under the old curve. Who loses? Lenders. The "your pool is frozen but at least you're earning 40% APY" trade is dead. Now it's "your pool is frozen and you're earning 13.5%." This was meant to prevent deleveraging cascades during stress events. It's doing that. It's also suppressing the market signal that usually tells lenders to supply more liquidity and borrowers to repay fast. Every design choice is a tradeoff. This one just got tested live, with $200M of bad debt on the line.








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