Research corpus MarketsBLC-STUDY-0201

Token Standard

A token contract exposes total supply, balance, transfer, and allowances. Wallets and exchanges can integrate one interface.

Official external source only
Design paper
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Record

Authors: Fabian Vogelsteller and Vitalik Buterin
Date: 2015
Publisher: Fabian Vogelsteller and Vitalik Buterin
Version: Source cited by the 2015 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0201
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

A token contract exposes total supply, balance, transfer, and allowances. Wallets and exchanges can integrate one interface.

Where to read

Official source — EIP-20
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

A reading of the public document. Not a copy of it, and not a claim about a later network that reused the name.

Relationships

Canonical readingERC-20 study
Related paperERC-4626
Related paperUniswap

Cite this record

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

Author–date

Vogelsteller, F., & Buterin, V. (2015). Token Standard. Fabian Vogelsteller and Vitalik Buterin. https://eips.ethereum.org/EIPS/eip-20

BibTeX

@techreport{erc202015,
  title = {Token Standard},
  author = {Fabian Vogelsteller and Vitalik Buterin},
  year = {2015},
  institution = {Fabian Vogelsteller and Vitalik Buterin},
  url = {https://eips.ethereum.org/EIPS/eip-20},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/erc20}
}

RIS

TY  - RPRT
TI  - Token Standard
AU  - Fabian Vogelsteller
AU  - Vitalik Buterin
PY  - 2015
PB  - Fabian Vogelsteller and Vitalik Buterin
UR  - https://eips.ethereum.org/EIPS/eip-20
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0201",
    "title": "Token Standard",
    "author": [
      {
        "literal": "Fabian Vogelsteller"
      },
      {
        "literal": "Vitalik Buterin"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2015
        ]
      ]
    },
    "publisher": "Fabian Vogelsteller and Vitalik Buterin",
    "URL": "https://eips.ethereum.org/EIPS/eip-20",
    "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