The Ethereum ecosystem is navigating two very different currents this week. On one side, a coordinated rescue effort is forming to plug a $292 million hole left by the largest DeFi exploit of the year. On the other, the Ethereum Foundation is executing a quiet but significant pivot in how it funds its operations, moving away from market-moving sales toward a staking-based model.
A $292 Million Breach Forces Unprecedented Coordination
The crisis began on April 18, when an attacker exploited a vulnerability in Kelp DAO’s cross-chain bridge, minting roughly 116,500 unauthorized rsETH tokens worth $292 million. Those stolen tokens were then deposited as collateral on Aave V3, allowing the exploiter to borrow WETH and wstETH valued at nearly $83 million, leaving the protocol with massive bad debt. Aave’s internal incident report pegged the potential worst-case damage at up to $230 million.
The attacker has since moved the stolen ETH into Bitcoin via THORChain. In a rare show of cross-chain coordination, the Arbitrum Security Council froze approximately 30,766 ETH in a wallet linked to the exploiter—an intervention that underscores the community’s willingness to act decisively in a crisis.
Mantle Steps In With a $69 Million Credit Line
The most concrete response so far comes from the Mantle Core Contributor Team, which published proposal MIP-34 on April 24. The plan would authorize Mantle’s treasury to lend up to 30,000 ETH to the Aave DAO, earmarked specifically for clearing the rsETH debt. That would cover a shortfall of up to $69.4 million.
The terms are unusually structured for DeFi. The interest rate would be set at Lido’s staking APR plus a one-percentage-point premium, with a maximum tenor of 36 months. In exchange, Mantle would receive delegation rights over 130,000 AAVE tokens, giving it voting power in Aave’s governance. Aave would, in turn, pledge five percent of its protocol revenue and AAVE tokens worth at least $11 million as collateral.
Bybit CEO Ben Zhou has publicly backed the proposal, with the exchange seen as a strategic partner of Mantle Network.
A Coalition Called ‘DeFi United’ Takes Shape
The response is broadening into what participants are calling “DeFi United.” Aave founder Stani Kulechov and the EtherFi Foundation have each pledged 5,000 ETH. The Golem Foundation has committed 1,000 ETH, while Frax Finance says it is working on its own contribution.
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Ethereum is currently trading at around $2,330, down roughly 22 percent year-to-date—a backdrop that adds pressure on DeFi protocols with ETH-denominated positions.
MIP-34 remains in the discussion phase. Mantle is gathering feedback through a forum survey before a snapshot vote, after which the Aave DAO would need to approve the facility separately. If both sides sign off, it would mark one of the first major cross-protocol credit facilities in DeFi history—a concrete model for how well-capitalized layer-2 protocols can deploy their treasuries strategically during times of stress.
The Ethereum Foundation’s Quiet Pivot
While the DeFi drama unfolds, the Ethereum Foundation is executing a structural shift in its own treasury management. On April 24, it sold 10,000 Ether worth nearly $24 million in an over-the-counter deal to BitMine Immersion Technologies, a firm led by Tom Lee. The off-exchange route avoids putting direct pressure on public order books.
BitMine, which already holds nearly five million Ether on its balance sheet, is acting as an institutional anchor. Such holdings rarely flow back into active trading, effectively tightening the circulating supply.
The sale is part of a broader strategy change. The Foundation is moving away from its previous model of regular market sales toward a staking-based approach. It has locked 70,000 Ether in the network, generating annual yields of roughly three percent—equivalent to about 2,000 Ether per year in income. That revenue, which does not dilute the market, is expected to cover a significant portion of recurring developer grants and research costs. The Foundation’s main wallet still holds a buffer of roughly 92,000 tokens.
Technical Upgrades on the Horizon
Beyond the financial maneuvering, developers are preparing the network for its next major upgrade. The planned first-half upgrade, codenamed Glamsterdam, aims to fundamentally overhaul the architecture. The target is scaling to 10,000 transactions per second alongside a drastic reduction in network fees.
These changes are currently undergoing rigorous testing phases, with stability of block production as the top priority. User confidence in the ecosystem remains evident on-chain: over the past seven days alone, investors have withdrawn roughly $1.1 billion worth of assets from centralized exchanges into self-custody.
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