110 sats \ 1 reply \ @Murch 31 Dec 2023 \ on: TX size: reusing signature/data for several UTXOs/inputs bitcoin
No, every input needs to identify which UTXO it is spending and provide an input script, script arguments, and/or witness stack that satisfies the corresponding output script. The amount of data is the same regardless whether your UTXOs were locked to the same output script or different output scripts.
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0 sats \ 0 replies \ @Murch 31 Dec 2023
Also, even if it might be possible to implement such a change, I see zero chance of it being adopted, since it would financially incentivize the privacy-eroding practice of address reuse.
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