What is Replace By Fee (RBF)?
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What is Replace By Fee (RBF)?
Replace-by-fee (RBF) is a method that enables the substitution of an unconfirmed transaction with a new version that includes higher transaction fees. RBF was initially introduced in BIP125 and incorporated into Bitcoin Core 0.12.0 for implementation. Different node software implementations result in variations in the rules governing Replace-by-fee (RBF). The most widely adopted RBF version…