Blockaid(@blockaid_):The attacker didn't know Binance 14's live nonce. So they sprayed 50 EIP-7702 auths (18914775-18914824) in one type-4 tx. Only 1 of 50 was a hit. A 7702 auth is valid only for the current nonce at inclusion. The hot wallet was still firing. One nonce in that window landed.

Blockaid

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参加 February 2023

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Blockaid@blockaid_

2026.10.29 21:50

The attacker didn't know Binance 14's live nonce. So they sprayed 50 EIP-7702 auths (18914775-18914824) in one type-4 tx. Only 1 of 50 was a hit. A 7702 auth is valid only for the current nonce at inclusion. The hot wallet was still firing. One nonce in that window landed.