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Blockchain Oracles: A Framework for Blockchain-Based Applications

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Business Process Management: Blockchain and Robotic Process Automation Forum (BPM 2020)

Part of the book series: Lecture Notes in Business Information Processing ((LNBIP,volume 393))

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Abstract

Oracles support the access, validation, and transmission of data from external sources to blockchain systems. They are important components of blockchain-based architectures. However, there exists no guidance on how oracles could be used when designing blockchain-based applications. In this paper, based on the results of a systematic literature review, we propose a framework to explain blockchain oracles and their relationships to blockchain-based applications. More specifically, the blockchain oracle framework addresses the origin of data, oracle properties, encryption method, oracle data source, validation procedures, and the integration of oracles to blockchain-based applications. Potentially, this framework can guide developers when incorporating oracles to blockchain-based applications.

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Author information

Authors and Affiliations

  1. Institute of Computer Science, University of Tartu, Tartu, Estonia

    Kamran Mammadzada, Mubashar Iqbal, Fredrik Milani & Raimundas Matulevičius

  2. School of Engineering and Science, Tecnologico de Monterrey, Monterrey, Mexico

    Luciano García-Bañuelos

Authors
  1. Kamran Mammadzada
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  2. Mubashar Iqbal
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  3. Fredrik Milani
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  4. Luciano García-Bañuelos
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  5. Raimundas Matulevičius
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Corresponding author

Correspondence to Mubashar Iqbal .

Editor information

Editors and Affiliations

  1. University of Gothenburg, Gothenburg, Sweden

    Aleksandre Asatiani

  2. Universidad de Sevilla, Sevilla, Spain

    José María García

  3. Tampere University, Tampere, Finland

    Nina Helander

  4. Universidad de Sevilla, Sevilla, Spain

    Andrés Jiménez-Ramírez

  5. Kiel University, Kiel, Germany

    Agnes Koschmider

  6. WU Vienna, Vienna, Austria

    Jan Mendling

  7. Politecnico di Milano, Milan, Italy

    Giovanni Meroni

  8. Utrecht University, Utrecht, The Netherlands

    Hajo A. Reijers

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Mammadzada, K., Iqbal, M., Milani, F., García-Bañuelos, L., Matulevičius, R. (2020). Blockchain Oracles: A Framework for Blockchain-Based Applications. In: Asatiani, A., et al. Business Process Management: Blockchain and Robotic Process Automation Forum. BPM 2020. Lecture Notes in Business Information Processing, vol 393. Springer, Cham. https://doi.org/10.1007/978-3-030-58779-6_2

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  • DOI: https://doi.org/10.1007/978-3-030-58779-6_2

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-58778-9

  • Online ISBN: 978-3-030-58779-6

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