Ethereum News. April 21, 2026

Kelp attributes the April 18 rsETH exploit to two compromised LayerZero RPC nodes and a DDoS attack on a third, confirming a second phantom packet attempt targeting 40,000 rsETH (~$95M) was mitigated​​​​​​​​​​​​​​​​

Kelp@KelpDAO

https://t.co/APBgpyA10x

8:55 PM · Apr 20, 2026 · 166K Views

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116 Replies · 76 Reposts · 392 Likes

Aave service providers published a report on the rsETH incident, with the attacker depositing 89,567 of 116,500 exploited rsETH on Aave and the DAO coordinating bad debt coverage from its $181M treasury

Aave@aave

Update on rsETH incident: @LlamaRisk has published a report outlining the rsETH incident, the immediate actions taken, its impact on Aave, and potential paths forward. All service providers have been working to assess the two potential bad debt scenarios on the Aave protocol.

8:14 PM · Apr 20, 2026 · 346K Views

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229 Replies · 266 Reposts · 1.21K Likes

Vitalik said Ethereum is not built to compete with high-frequency trading platforms or be the fastest chain, but to be the secure, decentralized, reliable chain

Cointelegraph@Cointelegraph

🔥 VITALIK: Ethereum is not built to compete with high-frequency trading platforms or be the fastest chain. “It’s meant to be the secure chain, the decentralized chain, the chain you can rely on.”

9:20 AM · Apr 20, 2026 · 317K Views

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618 Replies · 465 Reposts · 4.37K Likes

Bitmine added 101,627 ETH last week, bringing total holdings to 4.98M ETH (~4.12% of supply)

Cointelegraph@Cointelegraph

🔥 BIG: Bitmine added 101,627 $ETH last week, bringing its total holdings to 4.98M ETH, or about 4.12% of the total supply.

1:01 PM · Apr 20, 2026 · 24.8K Views

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70 Replies · 78 Reposts · 574 Likes

Aave unfroze WETH reserves on Ethereum Core V3 following the rsETH incident, with LTV kept at 0; WETH reserves on Ethereum Prime, Arbitrum, Base, Mantle, and Linea remain frozen​​​​​​​​​​​​​​​​

Aave@aave

Update on rsETH incident: WETH reserves on the Ethereum Core V3 market have been unfrozen and users can supply WETH to Ethereum Core V3 again. WETH LTV remains at 0. WETH reserves on Ethereum Prime, Arbitrum, Base, Mantle, and Linea remain frozen. Aave service providers will

6:18 AM · Apr 21, 2026 · 44.1K Views

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84 Replies · 83 Reposts · 616 Likes

Arbitrum Security Council froze and seized 30,766 ETH ($71M) on Arbitrum One tied to the KelpDAO exploiter, moving funds to an intermediary wallet that can only be moved via governance vote

Arbitrum@arbitrum

The Arbitrum Security Council has taken emergency action to freeze the 30,766 ETH being held in the address on Arbitrum One that is connected to the KelpDAO exploit. The Security Council acted with input from law enforcement as to the exploiter’s identity, and, at all times,

3:46 AM · Apr 21, 2026 · 159K Views

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262 Replies · 226 Reposts · 1.25K Likes