Research corpus Data and agentsBLC-STUDY-0108

UMA Data Verification Mechanism: Adding Economic Guarantees to Blockchain Oracles

An oracle that does not answer every question in real time. It prices the cost of bribing the token holders who would resolve a dispute, and it asks contract designers to keep the profit of a lie below that cost. The draft is an economic argument, not a feed you can read as truth.

Official external source only
Design paper
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Record

Authors: UMA
Date: 2020
Publisher: UMA
Version: Source cited by the 2020 study. The study is the reading. This page does not add a second essay.
Document ID: BLC-STUDY-0108
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 — UMA DVM draft v0.2, 2020
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

The study separates the text from later network behaviour. This bibliographic page does not repeat that essay.

Relationships

Canonical readingUMA study
Related paperChainlink
Related paperAugur
Related paperMaker

Cite this record

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

Author–date

UMA (2020). UMA Data Verification Mechanism: Adding Economic Guarantees to Blockchain Oracles. UMA. https://github.com/UMAprotocol/whitepaper/blob/master/UMA-DVM-oracle-whitepaper.pdf

BibTeX

@techreport{uma2020,
  title = {UMA Data Verification Mechanism: Adding Economic Guarantees to Blockchain Oracles},
  author = {UMA},
  year = {2020},
  institution = {UMA},
  url = {https://github.com/UMAprotocol/whitepaper/blob/master/UMA-DVM-oracle-whitepaper.pdf},
  note = {Rights status: Official external source only. Blockchain Lab record: https://blockchainlab.com/research/corpus/papers/uma}
}

RIS

TY  - RPRT
TI  - UMA Data Verification Mechanism: Adding Economic Guarantees to Blockchain Oracles
AU  - UMA
PY  - 2020
PB  - UMA
UR  - https://github.com/UMAprotocol/whitepaper/blob/master/UMA-DVM-oracle-whitepaper.pdf
N1  - Rights status: Official external source only
ER  -

CSL-JSON

[
  {
    "type": "report",
    "id": "BLC-STUDY-0108",
    "title": "UMA Data Verification Mechanism: Adding Economic Guarantees to Blockchain Oracles",
    "author": [
      {
        "literal": "UMA"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2020
        ]
      ]
    },
    "publisher": "UMA",
    "URL": "https://github.com/UMAprotocol/whitepaper/blob/master/UMA-DVM-oracle-whitepaper.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