Research corpus ConsensusBLC-STUDY-0716

Coordicide: removing the IOTA coordinator

Coordicide proposes a consensus for the IOTA tangle that does not depend on a coordinator node. The historic tangle paper is the earlier design. This is the removal plan.

Official external source only
Design paper
Official source

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Record

Authors: IOTA Foundation
Date: 2019
Publisher: IOTA Foundation
Version: Source cited by the 2019 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0716
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

Coordicide proposes a consensus for the IOTA tangle that does not depend on a coordinator node. The historic tangle paper is the earlier design. This is the removal plan.

Where to read

Official source — Coordicide white paper
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 project's public design document. Not a copy, not a benchmark, and not an offer.

Relationships

Canonical readingIOTA Coordicide study
Related paperNano
Related paperPHANTOM
Related paperHedera

Cite this record

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

Author–date

IOTA Foundation (2019). Coordicide: removing the IOTA coordinator. IOTA Foundation. https://files.iota.org/papers/Coordicide_WP.pdf

BibTeX

@techreport{iotacoordicide2019,
  title = {Coordicide: removing the IOTA coordinator},
  author = {IOTA Foundation},
  year = {2019},
  institution = {IOTA Foundation},
  url = {https://files.iota.org/papers/Coordicide_WP.pdf},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/iota-coordicide}
}

RIS

TY  - RPRT
TI  - Coordicide: removing the IOTA coordinator
AU  - IOTA Foundation
PY  - 2019
PB  - IOTA Foundation
UR  - https://files.iota.org/papers/Coordicide_WP.pdf
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0716",
    "title": "Coordicide: removing the IOTA coordinator",
    "author": [
      {
        "literal": "IOTA Foundation"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2019
        ]
      ]
    },
    "publisher": "IOTA Foundation",
    "URL": "https://files.iota.org/papers/Coordicide_WP.pdf",
    "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