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Multi-Tier Reputation for Data Cooperatives

In: Mathematical Research for Blockchain Economy

Author

Listed:
  • Abiola Salau

    (University of North Texas)

  • Ram Dantu

    (University of North Texas)

  • Kirill Morozov

    (University of North Texas)

  • Kritagya Upadhyay

    (University of North Texas)

  • Syed Badruddoja

    (University of North Texas)

Abstract

Data cooperatives allow their members—the data owners—to pool their digital assets together for processing and access management. In this context, reputation is an important measure of trust, which can effectively complement financial assets in the decentralized scenario, also providing incentives for users’ honest behavior. We present a decentralized data cooperative system based on the Proof-of-Reputation and Proof-of-Stake blockchains. In order to provide inclusivity for low-reputation (newly joined) users, which is required in our community-based scenario, we use the tier-based committee selection introduced by Kleinrock et al. at Indocrypt 2020. As the underlying Proof-of-Stake system, we use Snow White due to its convenient properties such as flexible committee selection and user participation.

Suggested Citation

  • Abiola Salau & Ram Dantu & Kirill Morozov & Kritagya Upadhyay & Syed Badruddoja, 2023. "Multi-Tier Reputation for Data Cooperatives," Lecture Notes in Operations Research, in: Panos Pardalos & Ilias Kotsireas & Yike Guo & William Knottenbelt (ed.), Mathematical Research for Blockchain Economy, pages 253-273, Springer.
    • Handle: RePEc:spr:lnopch:978-3-031-18679-0_14
    DOI: 10.1007/978-3-031-18679-0_14
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