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Referable NFT

ERC 5521, Referable NFT. It proposes two referable indicators, referring and referred, and a time-based indicator createdTimestamp.

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Record

Authors
Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu
Date
2022
Publisher
Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu
Version
Source cited by the 2022 study. The study is the reading. This page does not add a second essay.
Document ID
BLC-STUDY-0438
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 5521, Referable NFT. It proposes two referable indicators, referring and referred, and a time-based indicator createdTimestamp.

Where to read

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.

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Cite this record

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

Author–date

Yu, S., Wang, Q., Fu, S., Sai, Y., Chen, S., Xu, S., & Yu, J. (2022). Referable NFT. Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu. https://eips.ethereum.org/EIPS/eip-5521

BibTeX

@techreport{erc55212022,
  title = {Referable NFT},
  author = {Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu},
  year = {2022},
  institution = {Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu},
  url = {https://eips.ethereum.org/EIPS/eip-5521},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/erc-5521}
}

RIS

TY  - RPRT
TI  - Referable NFT
AU  - Saber Yu
AU  - Qin Wang
AU  - Shange Fu
AU  - Yilin Sai
AU  - Shiping Chen
AU  - Sherry Xu
AU  - Jiangshan Yu
PY  - 2022
PB  - Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu
UR  - https://eips.ethereum.org/EIPS/eip-5521
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0438",
    "title": "Referable NFT",
    "author": [
      {
        "literal": "Saber Yu"
      },
      {
        "literal": "Qin Wang"
      },
      {
        "literal": "Shange Fu"
      },
      {
        "literal": "Yilin Sai"
      },
      {
        "literal": "Shiping Chen"
      },
      {
        "literal": "Sherry Xu"
      },
      {
        "literal": "Jiangshan Yu"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2022
        ]
      ]
    },
    "publisher": "Saber Yu , Qin Wang , Shange Fu , Yilin Sai , Shiping Chen , Sherry Xu , Jiangshan Yu",
    "URL": "https://eips.ethereum.org/EIPS/eip-5521",
    "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.

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