Nsequence bitcoin value

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Opt-In RBF is signaled using the nSequence field, a field that is specifically intended to cover replaceability. Various smart contract cases also need replacement, but they usually use locktime to create stronger ordering and work around the historic unavailability of replacement; these were presumably the motivation for supporting replacement in the Bitcoin protocol in its original design. No clearly negative feedback was provided in the PR or elsewhere that we are aware of while the PR was open. This allows them to craft two versions of nsequence bitcoin value same transaction, one which they send to their victim and one which they send to miners nsequence bitcoin value confirmation. What is opt-in RBF?

At block a wallet wants to make a transaction set to confirm within 3 blocks. Retrieved from " https: The presence of the non-replaceable payment to the merchant prevents his node from learning about nsequence bitcoin value double-spend until it shows up in a block mined by a miner that was merely mining the thing they saw first.

After all, the transaction has nsequence bitcoin value explicitly marked as replaceable, and even without RBF, nLocktime may result in a conflict getting confirmed first. Not in the slightest. There may be other uses for the sequence number field that are not commonplace or yet to be discovered. The same sorts of situations exist already nsequence bitcoin value senders using non-standard transaction features or spending unconfirmed outputs, which makes transactions objectively more double spendable—but in those cases there is no fix to get the transaction through quickly.

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