Research corpusPrivacyBLC-STUDY-0542
Pay-to-contract tweak fields for PSBT
BIP 372, Pay-to-contract tweak fields for PSBT. The new per-input type is defined as follows: {| ! Name ! ! ! Description ! ! Description ! Versions Requiring Inclusion ! Versions Requiring Exclusion ! Versions Allowing Inclusion |- | P2C Key Tweak | PSBT_IN_P2C_TWEAK = 0x19 | | 33 bytes of compact public key serialization specifying to which keys the P2C tweak may be applied (i.e.
- Official external source only
- Design paper
- Official source
Record
- Authors
- Maxim Orlovsky
- Date
- 2022
- Publisher
- Maxim Orlovsky
- Version
- Source cited by the 2022 study. The study is the reading. This page does not add a second essay.
- Document ID
- BLC-STUDY-0542
- DOI
- None recorded
- Last reviewed
- 1 October 2026
- Licence
- No licence recorded. Rights status under review.
No hash is published. This build does not store those PDF bytes, so a checksum would be invented. Where a legacy path exists, it points at the Internet Archive copy of the old library.
Direct answer
BIP 372, Pay-to-contract tweak fields for PSBT. The new per-input type is defined as follows: {| ! Name ! ! ! Description ! ! Description ! Versions Requiring Inclusion ! Versions Requiring Exclusion ! Versions Allowing Inclusion |- | P2C Key Tweak | PSBT_IN_P2C_TWEAK = 0x19 | | 33 bytes of compact public key serialization specifying to which keys the P2C tweak may be applied (i.e.
Where to read
- Official source — BIP 372
- Blockchain Lab study, the canonical readingOriginal commentary. Not a transcription of the paper.
Metadata and commentary only. The reading is the study page.
Full text
Full text is not published on this page. Public availability is not a licence to republish a document. Blockchain Lab has not recorded a licence that permits an HTML transcription, a training set, or a retrieval corpus of the paper. Text on this page is Blockchain Lab's own wording, or a pointer to a study that is also Blockchain Lab's wording.
What changed
Status in the source: Draft. A reading of the public specification, not a copy of it and not a certification.
Relationships
- Canonical readingBIP 372 study
- Related paperGroth16
- Related paperBulletproofs
- Related paperTaproot
Cite this record
These citations point at the source document. They are not a licence to copy it.
Author–date
Orlovsky, M. (2022). Pay-to-contract tweak fields for PSBT. Maxim Orlovsky. https://bips.dev/372
BibTeX
@techreport{bip3722022,
title = {Pay-to-contract tweak fields for PSBT},
author = {Maxim Orlovsky},
year = {2022},
institution = {Maxim Orlovsky},
url = {https://bips.dev/372},
note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/bip-372}
}RIS
TY - RPRT TI - Pay-to-contract tweak fields for PSBT AU - Maxim Orlovsky PY - 2022 PB - Maxim Orlovsky UR - https://bips.dev/372 N1 - Rights status: Official external source only ER -
CSL-JSON
[
{
"type": "report",
"id": "BLC-STUDY-0542",
"title": "Pay-to-contract tweak fields for PSBT",
"author": [
{
"literal": "Maxim Orlovsky"
}
],
"issued": {
"date-parts": [
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2022
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},
"publisher": "Maxim Orlovsky",
"URL": "https://bips.dev/372",
"note": "Rights status: Official external source only. Not a licence to republish the paper."
}
]Rights record
- Source status
- Official source
- Use status
- Metadata and commentary only. The reading is the study page.
- Rights
- Official external source only
- Training and retrieval
- Not permitted from this site. There is no rights-cleared full text to retrieve or to train on.
