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How Does a ‘Replace-by-Fee’ (RBF) Transaction Work?

RBF replaces an unconfirmed transaction with the same nonce but a higher fee to speed up confirmation or cancel the original transaction.
Greeks.Live05.11.25

How Does a ‘Replace-by-Fee’ (RBF) Transaction Work?

RBF allows a user to replace an unconfirmed transaction in the mempool with a new transaction that has the same nonce but offers a higher gas fee. This is used to speed up a stuck transaction or to cancel a pending one by replacing it with a zero-value transaction to the sender's own address.

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