Electrum wallet bug let attackers steal bitcoin via Replace-by-Fee

Briefing by News4U · First published

CoinDesk reports Electrum disclosed a flaw that let rogue servers trick users into signing payments to attackers; at least one user lost funds.

CoinDesk reports Electrum disclosed a vulnerability that allowed malicious servers to replace unconfirmed transactions in users' histories with fraudulent ones; when users tried to speed up payments using Replace-by-Fee, the wallet signed the attacker's version, resulting in at least one confirmed theft. [1]

Sources

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

    CoinDesk · · Full text

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