Replace-by-fee

Named by 2 kept items in this workspace.

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The items that name it 2

Bitcoin wallet bug let rogue servers steal funds when users tried to speed up payments
article2026-10-26It is written here as Replace-by-Fee: Bitcoin feature that lets unconfirmed transactions be replaced with versions carrying higher fees; the trigger for the attack.
Electrum wallet security flaw is fixed after a user loses money in fee attack
article2026-10-24It is written here as Replace-by-fee (RBF): fee-increase mechanism that the attack abuses.
RBF

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