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Bitcoin wallet bug let rogue servers steal funds when users tried to speed up payments

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Bitcoin wallet bug let rogue servers steal funds when users tried to speed up payments

Attackers replaced legitimate transactions with fake ones, then waited for users to approve higher fees. At least one person lost bitcoin before developers patched the flaw.

Bitcoin wallet bug let rogue servers steal funds when users tried to speed up payments

Source：CoinDesk

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Source：https://www.coindesk.com/tech/2026/10/26/bitcoin-wallet-bug-let-rogue-servers-steal-funds-when-users-tried-to-speed-up-payments