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What Is ‘Replace-by-Fee’ (RBF)?

Replace Unconfirmed. $uparrow$ Fee Required. $uparrow$ Speed.
Greeks.Live18.11.25

What Is ‘Replace-by-Fee’ (RBF)?

Replace-by-Fee (RBF) is a feature that allows a sender to replace an unconfirmed transaction in the mempool with a new version of the transaction, provided the new version pays a higher fee. This is used to speed up transactions that are stuck due to a low initial fee.

What Is the Difference between an Unconfirmed and a Confirmed Transaction?
How Does a Transaction’s “Replace-by-Fee” (RBF) Feature Attempt to Reduce Latency?
What Would Happen If the Difficulty Did Not Adjust?
How Does “Gas” Relate to the Fee Market on Ethereum?

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