Research corpus ConsensusBLC-STUDY-0517

Disallow 64-byte transactions

BIP 53, Disallow 64-byte transactions. The rationale for disallowing transactions that are serialized to 64 bytes without the transaction's witness.

Official external source only
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Record

Authors: Chris Stewart
Date: 2025
Publisher: Chris Stewart
Version: Source cited by the 2025 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0517
DOI: None recorded
Last reviewed: 1 October 2026
Licence: No licence recorded. Rights status under review.

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Direct answer

BIP 53, Disallow 64-byte transactions. The rationale for disallowing transactions that are serialized to 64 bytes without the transaction's witness.

Where to read

Official source — BIP 53
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 53 study
Related paperPBFT
Related paperTendermint
Related paperRaft

Cite this record

These citations point at the source document. They are not a licence to copy it.

Author–date

Stewart, C. (2025). Disallow 64-byte transactions. Chris Stewart. https://bips.dev/53

BibTeX

@techreport{bip532025,
  title = {Disallow 64-byte transactions},
  author = {Chris Stewart},
  year = {2025},
  institution = {Chris Stewart},
  url = {https://bips.dev/53},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/bip-53}
}

RIS

TY  - RPRT
TI  - Disallow 64-byte transactions
AU  - Chris Stewart
PY  - 2025
PB  - Chris Stewart
UR  - https://bips.dev/53
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0517",
    "title": "Disallow 64-byte transactions",
    "author": [
      {
        "literal": "Chris Stewart"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2025
        ]
      ]
    },
    "publisher": "Chris Stewart",
    "URL": "https://bips.dev/53",
    "note": "Rights status: Official external source only. Not a licence to republish the paper."
  }
]

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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.

Rights and licensing Corrections