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Can a Transaction Be Removed from the Mempool?

Yes, by confirmation in a block, replacement via RBF, or expiration after a prolonged period of unconfirmed status.
Greeks.Live05.11.25

Can a Transaction Be Removed from the Mempool?

Yes, a transaction can be removed. This happens if it is included in a confirmed block, if it is replaced by a higher-fee transaction from the same address (RBF), or if it simply expires after a long period of waiting.

Different nodes may have different expiration policies.

What Is the Difference between an Unconfirmed and a Confirmed Transaction?
How Does an Issuer Verify an Investor’s Accredited Status in a Private Placement?
How Does a ‘Replace-by-Fee’ (RBF) Transaction Work?
What Mechanisms Can Be Used to Mitigate the Risk of Prolonged Price Manipulation in a TWAP Oracle?

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