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0xCERT Security Advisory 0xCERT-2026-0284
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Advisory-ID:  0xCERT-2026-0284
Severity:     Critical
Published:    2026-10-29T00:00:00.000Z
Updated:      2026-10-30T07:23:32.464Z
Chains:       Ethereum, Arbitrum, Avalanche, Optimism, Other / Multi-chain, Bitcoin
URL:          https://www.0xcert.com/advisory/0xCERT-2026-0284

Title: Binance Hot-Wallet EIP-7702 Delegation Hack

Summary
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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.

Details
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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
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- - https://www.blockchainbreaches.com/en/breaches/binance-2026
- - 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

Verify with the 0xCERT OpenPGP key: https://www.0xcert.com/pgp.asc
Fingerprint: 5F94 3ED1 1E50 CF31 2128  C493 CCC7 D9EC 9415 723D

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