Topic
blockchain
Exchange and wallet incidents read from the chain itself: transactions, account code, token freezes, and what they do and do not prove.
2 engineering notes.
- Binance 14 cleared its EIP-7702 delegation: what the chain proves, and what it does notAt block 26,301,896 the address labelled Binance 14 reset its code to empty with a type-4 transaction. The clear removes the sweeper contract; it does not prove the signing key is safe. A read-only probe for any delegated account.
- Binance's $3.3B wallet transfers: what the chain shows, and how to tell a hack from a moveRead from a public Ethereum node: an EIP-7702 delegation on the Binance 14 address, a 65-token sweep, and Tether and Circle freezes. Signs that separate theft from an internal move.
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