Research corpus MarketsBLC-STUDY-0415

EIP-721 Consumable Extension

ERC 4400, EIP-721 Consumable Extension. This specification defines standard functions outlining a consumer role for instance(s) of EIP-721.

Official external source only
Design paper
Official source

Compare

Record

Authors: Daniel Ivanov , George Spasov
Date: 2021
Publisher: Daniel Ivanov , George Spasov
Version: Source cited by the 2021 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0415
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

ERC 4400, EIP-721 Consumable Extension. This specification defines standard functions outlining a consumer role for instance(s) of EIP-721.

Where to read

Official source — ERC 4400
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: Final. A reading of the public specification, not a copy of it and not a certification.

Relationships

Canonical readingERC 4400 study
Related paperUniswap
Related paperERC-20
Related paperBalancer

Cite this record

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

Author–date

Ivanov, D., & Spasov, G. (2021). EIP-721 Consumable Extension. Daniel Ivanov , George Spasov. https://eips.ethereum.org/EIPS/eip-4400

BibTeX

@techreport{erc44002021,
  title = {EIP-721 Consumable Extension},
  author = {Daniel Ivanov , George Spasov},
  year = {2021},
  institution = {Daniel Ivanov , George Spasov},
  url = {https://eips.ethereum.org/EIPS/eip-4400},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/erc-4400}
}

RIS

TY  - RPRT
TI  - EIP-721 Consumable Extension
AU  - Daniel Ivanov
AU  - George Spasov
PY  - 2021
PB  - Daniel Ivanov , George Spasov
UR  - https://eips.ethereum.org/EIPS/eip-4400
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0415",
    "title": "EIP-721 Consumable Extension",
    "author": [
      {
        "literal": "Daniel Ivanov"
      },
      {
        "literal": "George Spasov"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2021
        ]
      ]
    },
    "publisher": "Daniel Ivanov , George Spasov",
    "URL": "https://eips.ethereum.org/EIPS/eip-4400",
    "note": "Rights status: Official external source only. Not a licence to republish the paper."
  }
]

JSON BibTeX file RIS file CSL-JSON

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