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An independent record of the October 2026 Binance hack
This line is our short summary of the quote below. The quote is the evidence.
Blockaid’s detection flagged the drain under two minutes after the sweep and before any public report, and automated analysis identified unauthorized signing from Binance’s hot wallet keys and the delegation mechanism within 11 minutes.
From this source: Binance $6.3B Hack: Using Advanced AI Models, Blockaid Detects the Biggest Theft in Crypto History On October 29, 2026, an attacker took control of Binance’s signing service and used an EIP-7702 delegation to drain about $6.3B from Binance across multiple chains, the largest crypto theft on record., with all of its statements.
Within 12 minutes, Binance 55 on Optimism sent 44.2M OP, four hot wallets on Arbitrum sent 74.6M ARB and 8,426 ETH, and four on Avalanche sent 1.81M AVAX and 8.41M USDT.
Twenty-four seconds after the sweep, Binance 16 sent 28,005.6 ETH , 55.7M USDT, 25.9M RLUSD, 84.5 WBTC, and five other tokens to the same address.
Within 12 minutes after that initial drain, 10 more Binance hot wallets on four chains sent funds to the same address, and the attacker then drained a Binance-owned smart account through the still-delegated wallet.