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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.

Photo: CoinDesk

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.

Originally published by CoinDesk. Read the full story at the source →

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