A Sept. 11 proposal from TokenLogic would add a bad-debt backstop to three Aave V4 Core markets on Ethereum, with the Aave DAO absorbing losses before volunteer underwriters. Coverage would apply only to WETH, USDC and USDT reserves, and underwriters would face a 20-day cooldown before they can exit.
Aave lenders supplying wrapped Ether, USDC or USDT to its Core liquidity Hub on Ethereum would gain a bad-debt backstop under a Sept. 11 proposal from TokenLogic. The plan, called Umbrella, would put Aave's DAO first in line to absorb losses, followed by volunteer underwriters, and would initially cover only those three lending markets.
Coverage limited to three markets
TokenLogic set proposed underwriting targets at 800 ETH for Core WETH, 400,000 USDC for Core USDC and 400,000 USDT for Core USDT, sized for six to eight weeks of expected loan growth. These are targets for a proposed configuration, not capital already committed. Coverage would follow the specific reserve receiving a deposit, so USDC supplied to a different Hub would remain outside the plan even though the token is the same.
Bad debt arises when liquidation exhausts a borrower's collateral but leaves debt unpaid. Under the proposal, the DAO would absorb an initial layer through deficit offsets of 33 ETH, 15,000 USDC and 15,000 USDT before underwriters' capital is touched. Underwriters could then lose committed funds to cover deficits beyond that layer, with coverage implemented by burning their supplied Hub shares. Their capital would keep earning supply yield until used, and additional rewards would compensate them for taking on the loss risk.
Underwriters face a cooldown and exposure to slashing
Eligibility for coverage would extend to borrowing originated through Spokes whose collateral sits in other Hubs, since those credit lines still draw on the Core reserve supplying the borrowed asset. Underwriters exiting the arrangement would face a 20-day cooldown followed by a two-day withdrawal window, and missing that window means starting a new 20-day cooldown. According to Aave's Umbrella documentation: "staked assets remain exposed to slashing during cooldown", so the extra yield comes paired with both potential capital loss and restricted access to funds.
TokenLogic does not recommend initial coverage for USDG or frxUSD, citing uncertainty over incentive-sensitive lending activity and the ability to attract underwriters, plus a concentrated, issuer-linked supplier base for frxUSD. Other Hubs' reserves stay outside the initial plan for varying reasons, including limited incremental protection and narrow supplier bases. TokenLogic proposes monitoring the framework after activation and reassessing it in three months, with excluded markets reconsidered as lending activity matures.
Source: CryptoSlate
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