Research corpus PrivacyBLC-STUDY-0445

NFT Metadata JSON Schema dStorage Extension

ERC 5625, NFT Metadata JSON Schema dStorage Extension. This EIP extends the NFT metadata JSON schema defined in EIP-721 and EIP-1155, adding a dStorage key that provides information about how the NFT data is stored.

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Record

Authors: Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu
Date: 2022
Publisher: Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu
Version: Source cited by the 2022 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0445
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

Where to read

Official source — ERC 5625
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

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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 5625 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

Fu, G., Wang, L., Chen, B., Han, G., & Wu, B. (2022). NFT Metadata JSON Schema dStorage Extension. Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu. https://eips.ethereum.org/EIPS/eip-5625

BibTeX

@techreport{erc56252022,
  title = {NFT Metadata JSON Schema dStorage Extension},
  author = {Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu},
  year = {2022},
  institution = {Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu},
  url = {https://eips.ethereum.org/EIPS/eip-5625},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/erc-5625}
}

RIS

TY  - RPRT
TI  - NFT Metadata JSON Schema dStorage Extension
AU  - Gavin Fu
AU  - Leo Wang
AU  - Bova Chen
AU  - Guang Han
AU  - Brian Wu
PY  - 2022
PB  - Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu
UR  - https://eips.ethereum.org/EIPS/eip-5625
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0445",
    "title": "NFT Metadata JSON Schema dStorage Extension",
    "author": [
      {
        "literal": "Gavin Fu"
      },
      {
        "literal": "Leo Wang"
      },
      {
        "literal": "Bova Chen"
      },
      {
        "literal": "Guang Han"
      },
      {
        "literal": "Brian Wu"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2022
        ]
      ]
    },
    "publisher": "Gavin Fu , Leo Wang , Bova Chen , Guang Han , Brian Wu",
    "URL": "https://eips.ethereum.org/EIPS/eip-5625",
    "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