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Blockaid said that at 20:20:59 UTC on October 29 the operator sent a transaction to the wallet it calls Binance 14 carrying 50 EIP-7702 authorizations signed with that wallet's key, each delegating the wallet to the sweeper.

This line is our short summary of the quote below. The quote is the evidence.

Reportedroot causeStatement 106

At 20:20:59 the operator sent a type-4 transaction to Binance 14, 0x28C6c06298d514Db089934071355E5743bf21d60 , carrying 50 EIP-7702 authorizations signed with the Binance 14 key, one per nonce from 18,914,775 to 18,914,824, each delegating the wallet to the sweeper.

Speaker
Not recorded
Publisher
blockaid.io (Analytics firm)
Original
Binance $5.5B Hack: Blockaid Detects the Biggest Theft in Crypto History
Captured
Stored copy
sha256 50a4d7072873
Event time
Published

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Other statements from the same source

Reportedroot causeStatement 329

Blockaid said its transaction security engine classified the delegation transaction as malicious because an EOA was being upgraded through EIP-7702 to an untrusted address.

Blockaid's transaction security engine classified the type-4 transaction that delegated Binance 14 as malicious on sight, with the reason that an EOA was being upgraded through EIP-7702 to an untrusted address.

Speaker
Not recorded
Publisher
blockaid.io (Analytics firm)
Original
Binance $5.5B Hack: Blockaid Detects the Biggest Theft in Crypto History
Captured
Stored copy
sha256 50a4d7072873
Published
ReportedresponseStatement 328

Blockaid said its detection flagged the drain under two minutes after the sweep and before any public report.

Blockaid’s detection flagged the drain under two minutes after the sweep and before any public report

Speaker
Not recorded
Publisher
blockaid.io (Analytics firm)
Original
Binance $5.5B Hack: Blockaid Detects the Biggest Theft in Crypto History
Captured
Stored copy
sha256 50a4d7072873
Published
Reportedroot causeStatement 327

Blockaid said the EIP-7702 delegation was visible on-chain for three minutes and 24 seconds before the sweep.

The delegation itself was visible onchain for three minutes and 24 seconds before the sweep

Speaker
Not recorded
Publisher
blockaid.io (Analytics firm)
Original
Binance $5.5B Hack: Blockaid Detects the Biggest Theft in Crypto History
Captured
Stored copy
sha256 50a4d7072873
Published
Reportedroot causeStatement 105

Blockaid said the operator address 0x7C8601d4645b93cea45F71e118A729332e6B5CA0 was funded through three Tornado Cash withdrawals starting October 28.

The operator address, 0x7C8601d4645b93cea45F71e118A729332e6B5CA0 , was funded through three Tornado Cash withdrawals starting October 28.

Speaker
Not recorded
Publisher
blockaid.io (Analytics firm)
Original
Binance $5.5B Hack: Blockaid Detects the Biggest Theft in Crypto History
Captured
Stored copy
sha256 50a4d7072873
Published
ReportedfreezeStatement 103

Blockaid said Tether and Circle froze about $1.8B in the main collection address within 40 minutes, and that with later freezes by other issuers and the Arbitrum Security Council, Binance puts the verified total frozen at about $3B.

Tether and Circle froze about $1.8B in the main collection address within 40 minutes, and with later freezes by other issuers and the Arbitrum Security Council, Binance puts the verified total frozen at about $3B.

Speaker
Not recorded
Publisher
blockaid.io (Analytics firm)
Original
Binance $5.5B Hack: Blockaid Detects the Biggest Theft in Crypto History
Captured
Stored copy
sha256 50a4d7072873
Published