Research corpus Storage and networksBLC-STUDY-0314

Fork identifier for chain compatibility checks

EIP 2124, Fork identifier for chain compatibility checks. Currently nodes in the Ethereum network try to find each other by establishing random connections to remote machines "looking" like an Ethereum node (public networks, private networks, test networks, etc), hoping that they found a useful peer (same genesis, same forks).

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Record

Authors: Péter Szilágyi , Felix Lange
Date: 2019
Publisher: Péter Szilágyi , Felix Lange
Version: Source cited by the 2019 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0314
DOI: None recorded
Last reviewed: 1 October 2026
Licence: No licence recorded. Rights status under review.

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Direct answer

Where to read

Official source — EIP 2124
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 readingEIP 2124 study
Related paperFilecoin
Related paperArweave
Related paperIPFS

Cite this record

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

Author–date

Szilágyi, P., & Lange, F. (2019). Fork identifier for chain compatibility checks. Péter Szilágyi , Felix Lange. https://eips.ethereum.org/EIPS/eip-2124

BibTeX

@techreport{eip21242019,
  title = {Fork identifier for chain compatibility checks},
  author = {Péter Szilágyi , Felix Lange},
  year = {2019},
  institution = {Péter Szilágyi , Felix Lange},
  url = {https://eips.ethereum.org/EIPS/eip-2124},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/eip-2124}
}

RIS

TY  - RPRT
TI  - Fork identifier for chain compatibility checks
AU  - Péter Szilágyi
AU  - Felix Lange
PY  - 2019
PB  - Péter Szilágyi , Felix Lange
UR  - https://eips.ethereum.org/EIPS/eip-2124
N1  - Rights status: Official external source only
ER  -

CSL-JSON

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  {
    "type": "report",
    "id": "BLC-STUDY-0314",
    "title": "Fork identifier for chain compatibility checks",
    "author": [
      {
        "literal": "Péter Szilágyi"
      },
      {
        "literal": "Felix Lange"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2019
        ]
      ]
    },
    "publisher": "Péter Szilágyi , Felix Lange",
    "URL": "https://eips.ethereum.org/EIPS/eip-2124",
    "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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