Since then, there has been discussion about completely removing the first-seen simplification and allowing users to replace any of their older unconfirmed transactions with newer transactions, a feature called full-RBF. One key benefit, the ability for the sender of a transaction to replace it with an alternative version paying higher fees, was realized in Bitcoin Core 0.12.0 (February 2016) with the introduction of BIP125 opt-in Replace By Fee (RBF). There are several benefits to users from removing this first-seen simplification. If there are multiple versions of the same unconfirmed transaction available, only the miner who includes one of those transactions in a block gets to decide which version of the transaction gets confirmed.ĭespite this lack of assurance, multiple merchants and services today still make this assumption. The Bitcoin Protocol does not, and cannot, provide any assurance that the first version of an unconfirmed transaction seen by a particular node will be the version that gets confirmed.
Some Bitcoin services today expect that the first version of an unconfirmed transaction that they see will be the version of the transaction that ultimately gets confirmed-a transaction acceptance policy sometimes called "first-seen". The option defaults to the same policy that was used in previous releases and no changes to node policy will occur if everyone uses the default. This version of Bitcoin Core adds a new mempoolfullrbf configuration option which allows users to change the policy their individual node will use for relaying and mining unconfirmed transactions. De releasenotes zien er als volgt uit: Notice of new option for transaction replacement policies Het Core-ontwikkelteam heeft Bitcoin Core 24.0 uitgebracht. En om een node te draaien kun je gebruikmaken van Bitcoin Core, dat in de volksmond ook wel Satoshi-client wordt genoemd. Het Bitcoin-netwerk bestaat uit verschillende nodes. De grondlegger van de techniek en tegelijk bekendste is Bitcoin.
Blockchains en cryptovaluta zijn inmiddels niet meer weg te denken uit het nieuws in welke vorm dan ook.
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