Swell Hack

Reported loss Not disclosed
Arbitrum Base Ethereum Hyperliquid L1
Hot Wallet Key Compromised

What happened

DeFiLlama records the Swell incident on October 21, 2026. The loss amount has not been reported. The listed chains are arbitrum, base, ethereum, hyperliquid l1.

DeFiLlama labels the technique as Hot Wallet Key Compromised. A detailed attack sequence is not available in this feed entry.

Protocol details

Classification Key Compromise
Protocol Type DeFi Protocol
Implementation language Solidity

Evidence

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