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Bottom-Up Trust Registry in Self Sovereign Identity

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Blockchain and Applications, 4th International Congress (BLOCKCHAIN 2022)

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 595))

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Abstract

Self sovereign identity is a form of decentralised credential management. During credential verification, data exchange only happens between the data owner and the verifier without passing through any third parties. While this approach offers a privacy-centric solution, it poses a challenge. How do verifiers trust that the credential is vouched by a trusted source? More specifically, how do verifiers know that the issuer has the reputation or is authorised to issue the credential? In this paper, we propose a trust registry design that handles the aspect of human trust in self sovereign identity. We also introduce an incentivisation mechanism for the trust registry in order to motivate each stakeholder to participate actively and honestly.

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Notes

  1. 1.

    https://onfido.com/.

  2. 2.

    https://www.jumio.com/.

  3. 3.

    https://kovan.etherscan.io/address/0xc4516FD2317210a278da78F06f7F1CeBC495A4a8.

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Author information

Authors and Affiliations

  1. University of Edinburgh, Edinburgh, UK

    Kai Jun Eer & Markulf Kohlweiss

  2. Input Output Global, Madrid, Spain

    Jesus Diaz & Markulf Kohlweiss

Authors
  1. Kai Jun Eer
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  2. Jesus Diaz
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  3. Markulf Kohlweiss
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Corresponding author

Correspondence to Kai Jun Eer .

Editor information

Editors and Affiliations

  1. Departamento de Informática y Automática, University of Salamanca, Salamanca, Spain

    Javier Prieto

  2. Parque Tecnológico de la Salud (PTS), Granada, Spain

    Francisco Luis Benítez Martínez

  3. University of Urbino Carlo Bo, Urbino, Italy

    Stefano Ferretti

  4. Spanish National Research Council (CSIC), Madrid, Spain

    David Arroyo Guardeño

  5. Facultad de Derecho, University of Salamanca, Salamanca, Spain

    Pedro Tomás Nevado-Batalla

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Eer, K.J., Diaz, J., Kohlweiss, M. (2023). Bottom-Up Trust Registry in Self Sovereign Identity. In: Prieto, J., Benítez Martínez, F.L., Ferretti, S., Arroyo Guardeño, D., Tomás Nevado-Batalla, P. (eds) Blockchain and Applications, 4th International Congress . BLOCKCHAIN 2022. Lecture Notes in Networks and Systems, vol 595. Springer, Cham. https://doi.org/10.1007/978-3-031-21229-1_39

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