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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.
At 20:20 UTC, the operator submitted a single transaction containing 50 authorizations. Each was signed by the Binance hot wallet, and each pointed it to a sweeper contract that accepts instructions only from the operator.
Binance wallets on the other nine chains sent funds to the attacker through ordinary signed transfers.
Early indicators on the Ethereum activity suggested the attacker had phished the authorizations. That explanation covers Ethereum and leaves the other chains unexplained.
North Korea’s elite hacking unit, based on robust on and off-chain intelligence. We make this judgment with high confidence.
Preparation began at least 36 hours before the theft. The attacker's operator wallet received three small withdrawals from Tornado Cash, a service that obscures where crypto comes from, starting the morning of October 28.
Binance co-CEO Yi He said Ripple helped stop about USD 200 million from moving; TRM has confirmed the 40.5 million RLUSD freeze onchain.