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Binance signing authority breach raises security challenges for South Korean exchanges

An analysis says a major digital asset theft at Binance targeted internal signing authority and operational structure rather than the blockchain itself. About $6.3 billion in digital assets was withdrawn without authorisation from a Binance hot wallet on Oct. 30 Korea time. DSRV pointed to compromised employee devices, AI tools expanding the attack, and weaknesses in signing services and delegated signatures. It said South Korean exchanges also face similar risks despite cold-wallet requirements.