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The Archive01 documents on file“PSBT and Bitcoin Multisig: The Offline Signing Format”The Archive01 documents on file“PSBT and Bitcoin Multisig: The Offline Signing Format”

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PSBT and Bitcoin Multisig: The Offline Signing Format

BIP-174's PSBT format lets distributed signers approve Bitcoin transactions independently, on air-gapped devices, with no shared online session required.

Daniel Brooks5 min read / 18.06.2026
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