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  1. What is an "unspent output"? - Bitcoin Stack Exchange

    Jul 29, 2012 · An unspent output is simply an output of a transaction which isn't yet an input of another transaction. To take the example from ripper234's answer (in which generated coins are immediately …

  2. confirmed but unspent transaction - Bitcoin Stack Exchange

    Nov 20, 2017 · The confirmed transaction has successfully signed over funds to the recipient. The output of your transaction being "unspent" means that the recipient of your transaction has not spend …

  3. How is a Transaction Output Marked as Spent? - Bitcoin Stack Exchange

    Every full Bitcoin node maintains a database of which unspent outputs are left. When verifying a transaction, all its inputs are fetched from the database. If one is missing, validation fails. Among the …

  4. What is arbitrary witness data and unspent transaction output?

    Jan 3, 2024 · Thank you that makes a lot of sense. I still don't properly understand what this sentence means: "That data is arbitrary because it is not a function of the UTXO (unspent transaction output) …

  5. transactions - Do all Tx's have UTXO? - Bitcoin Stack Exchange

    Oct 30, 2017 · The transaction also creates two new UTXOs, the Recipient Output and the Change Output. Every participant in the network adds these two UTXO to their database. Let's say that the …

  6. How to check if an output has been spent? - Bitcoin Stack Exchange

    Sep 10, 2016 · The dev reference states: The gettxout RPC returns details about a transaction output. Only unspent transaction outputs (UTXOs) are guaranteed to be available. This means spent txos …

  7. How to Create or Generate a New UTXO in Bitcoin Core?

    Sep 13, 2020 · It's an abbreviation of "unspent transaction output" A transaction in Bitcoin consumes a number of UTXOs, and creates a number of new ones, possibly assigned to new owners.

  8. what happens to UTXOs when a transaction output script is satisfied?

    Jan 30, 2018 · What would happen to the UTXOs mentioned in the output of parent transaction? Would it get vanished in the transaction or any change would happen? Only a valid transaction that correctly …

  9. How bitcoin node selects the output unspent transactions when …

    Nov 10, 2023 · When sending a new transaction in the amount of 1.5 BTC, the node for some reason creates a transaction with 500+ inputs for small amounts, thereby the weight of the transaction is 75 …

  10. terminology - Why the "Unspent Transaction Output Set" is called …

    Nov 25, 2017 · Just out of curiosity, the Wiki says UTXO means "Unspent Transaction Output", but what does each letter mean in the acronym?