ModExp Gas Cost

EIP 2565, ModExp Gas Cost. Defines the gas cost of the ModExp (0x00..05) precompile.

Official external source only
Design paper
Official source

Record

Authors: Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist
Date: 2020
Publisher: Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist
Version: Source cited by the 2020 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0323
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

EIP 2565, ModExp Gas Cost. Defines the gas cost of the ModExp (0x00..05) precompile.

Where to read

Official source — EIP 2565
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 readingEIP 2565 study
Related paperEIP-4844
Related paperPlasma
Related paperArbitrum

Cite this record

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

Author–date

Olson, K., Gulley, S., Peffers, S., Drake, J., & Feist, D. (2020). ModExp Gas Cost. Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist. https://eips.ethereum.org/EIPS/eip-2565

BibTeX

@techreport{eip25652020,
  title = {ModExp Gas Cost},
  author = {Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist},
  year = {2020},
  institution = {Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist},
  url = {https://eips.ethereum.org/EIPS/eip-2565},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/eip-2565}
}

RIS

TY  - RPRT
TI  - ModExp Gas Cost
AU  - Kelly Olson
AU  - Sean Gulley
AU  - Simon Peffers
AU  - Justin Drake
AU  - Dankrad Feist
PY  - 2020
PB  - Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist
UR  - https://eips.ethereum.org/EIPS/eip-2565
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0323",
    "title": "ModExp Gas Cost",
    "author": [
      {
        "literal": "Kelly Olson"
      },
      {
        "literal": "Sean Gulley"
      },
      {
        "literal": "Simon Peffers"
      },
      {
        "literal": "Justin Drake"
      },
      {
        "literal": "Dankrad Feist"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2020
        ]
      ]
    },
    "publisher": "Kelly Olson , Sean Gulley , Simon Peffers , Justin Drake , Dankrad Feist",
    "URL": "https://eips.ethereum.org/EIPS/eip-2565",
    "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