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Kelp DAO Bridge Loses $292 Million in rsETH Exploit via LayerZero

An attacker exploited Kelp DAO's LayerZero-powered bridge, draining 116,500 rsETH valued at $292 million. The incident prompted freezes across multiple protocols including Aave and Lido Finance. It marks the largest DeFi exploit of 2026, according to CoinDesk.

CoinDesk
1 source·Apr 18, 8:53 PM(6 hrs ago)·1m read
|
Kelp DAO Bridge Loses $292 Million in rsETH Exploit via LayerZeroCoinDesk
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Protocol Responses and Freezes

Aave froze rsETH markets on V3 and V4 within hours of the exploit.

The founder affirmed the exploit was external and Aave's contracts were not compromised. SparkLend and Fluid froze their rsETH markets. Lido Finance paused further deposits into its earnETH product, which carries rsETH exposure.

Lido Finance clarified that stETH and wstETH are unaffected and that the core Lido staking protocol has no involvement in the incident. Ethena temporarily paused its LayerZero OFT bridges from Ethereum mainnet for roughly six hours while the root cause is identified, stating it has no rsETH exposure and remains more than 101% overcollateralized.

Incident Acknowledgment and Investigation

Kelp acknowledged the incident in its first public X post at 20:10 UTC.

Kelp stated it was investigating with LayerZero, Unichain, its auditors and outside security specialists.

Context and Broader Impact

RsETH is deployed across more than 20 networks including Base, Arbitrum, Linea, Blast, Mantle and Scroll.

LayerZero's OFT standard handles the cross-chain movement of rsETH. AAVE fell about 10%. The $292 million loss is the largest DeFi exploit of 2026. Drift was drained of about $285 million on April 1.

Other Developments

Parasite Pool mined block 945,601 on Friday.

Parasite Pool mined its first block about 48 days before block 945,601.

Key Facts

Exploit amount
116,500 rsETH drained, worth $292 million, representing 18% of circulating supply.
Follow-up attempts
Two attempts each for 40,000 rsETH ($100 million) at 18:26 and 18:28 UTC, both reverted after freeze.
Protocol actions
Aave, SparkLend, Fluid, Upshift froze rsETH markets; Lido paused earnETH deposits; Ethena paused bridges.
Market data
CoinDesk 20 at $2,105.85 (2.69% change); BTC at $75,862.58 (2.07%); ETH at $2,356.07 (3.05%).
Mining event
Parasite Pool mined block 945,601 on Friday, its first block 48 days prior, with specific payout structure.

Story Timeline

6 events
  1. 2026-04-16 20:10 UTC

    Kelp acknowledged the incident in its first public X post.

    1 sourceKelp
  2. 2026-04-16 18:28 UTC

    Second follow-up drain attempt occurred and reverted.

    1 sourceunattributed
  3. 2026-04-16 18:26 UTC

    First follow-up drain attempt occurred and reverted.

    1 sourceunattributed
  4. 2026-04-16 18:21 UTC

    Kelp's emergency pauser multisig froze the protocol's core contracts.

    1 sourceunattributed
  5. 2026-04-16 17:35 UTC

    Attacker drained 116,500 rsETH from Kelp DAO's LayerZero-powered bridge.

    1 sourceunattributed
  6. 2026-04-01

    Drift was drained of about $285 million.

    1 sourceunattributed

Potential Impact

  1. 01

    Temporary pauses in related protocols like Ethena and Lido affecting user deposits.

  2. 02

    Increased scrutiny on LayerZero's OFT standard for cross-chain security.

  3. 03

    Broader DeFi market volatility, as seen in AAVE's 10% drop.

  4. 04

    Potential decline in rsETH liquidity across 20+ networks.

  5. 05

    Influence on mining pool participation models, highlighted by Parasite Pool's structure.

Transparency Panel

Sources cross-referenced1
Framing risk0/100 (low)
Confidence score70%
Synthesized bySubstrate AI (grok-4:fact-pipeline)
Word count214 words
PublishedApr 18, 2026, 8:53 PM
Bias signals removed3 across 3 outlets
Signal Breakdown
Loaded 3

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