Bitcoin protocol question

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Bitcoin protocol question

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  • Peter Kahle

    I’m have an idea for a built-on-bitcoin app/service, but before I publicize it, I need to figure out one question.

    If I have a wallet, or more specifically, a specific set of coins, and I create a transaction to send those coins to one or more addresses, I get a transaction ID. (I’m probably not using the jargon correctly, but you get the idea.) If I then don’t send that transaction, and instead (without ever spending those coins) recreate the transaction at some point in the future, with the exact same in and out addresses, and the exact same values, is the new transaction ID going to match the old one?

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  • Daniel Shafrir

    No. The transaction ID is a hash of the incoming address, the outgoing address, the date and time stamp (which will be different next time you try it) and a bunch of other stuff. This answer is non-technical to match the non-technical nature of the question, but the short answer is no.

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