Binance Hot-Wallet EIP-7702 Delegation Hack
An attacker hijacked a Binance Ethereum hot wallet via an EIP-7702 delegation and swept an estimated $6.3 billion across several chains — the largest theft in crypto history.
Vuln-watch · relayed from a public source; see Source & attribution below
Summary
An attacker hijacked a Binance Ethereum hot wallet via an EIP-7702 delegation and swept an estimated $6.3 billion across several chains — the largest theft in crypto history.
Incident
- Victim: Binance
- Date (UTC): 2026-10-29
- Estimated loss: $6.30B
- Chain(s): Ethereum, Arbitrum, Avalanche, Optimism, Tron, Bitcoin
- Attack type: exchange
- Funds status: stolen
Recommended actions
- Revoke token approvals granted to Binance contracts until the project confirms they are safe
- Integrators: pause or delist affected assets and monitor for attacker fund movements
- Beware of follow-on phishing: ignore unofficial "refund", "recovery", or "claim" links and DMs; use the project's verified channels only
Source & attribution
Full analysis on Blockchain Breaches, 0xCERT's incident archive: https://www.blockchainbreaches.com/en/breaches/binance-2026. Primary sources: https://crypto.news/binance-hack-eip-7702-wallet-attack/ ; https://blockaid.io/blog/binance-55b-hack-using-advanced-ai-models-blockaid-detects-the-biggest-theft-in-crypto-history.
References
OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.
Published 2026-10-29 · last updated 2026-10-30
curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0284/signed.txt | gpg --verify