Replace-by-Fee, RBF
This definition comes from the technical glossary.
Definition
Replacing one version of an unconfirmed transaction with a different version of the transaction that pays a higher transaction fee. May use BIP125 signaling.
Synonyms
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Replace by fee
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RBF
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Opt-in replace by fee
Not To Be Confused With
Links
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BIP125: Opt-in Full Replace-by-Fee signaling — Bitcoin Improvement Proposals repository
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Opt-in RBF FAQ — BitcoinCore.org
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Transaction replacement — Bitcoin Wiki