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An Anonymous Protocol for Member Privacy in a Consortium Blockchain

  • Gyeong-Jin Ra
  • Daehee Seo
  • Md Zakirul Alam Bhuiyan
  • Im-Yeong LeeEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11611)

Abstract

A consortium blockchain is that multiple groups of authorized members that share one ledger. Transaction validation and membership authentication are executed by trusted nodes which create and store full block (a.k.a full node). Other lightweight nodes which stored only header block request validating transaction to full node. Therefore, because the lightweight node requesting of validation transaction and sharing ledger of members between groups in consortium blockchain creates a privacy problem. In this paper, we propose an anonymous protocol based on a credential system for privacy in a consortium blockchain. This solves the problem of computation overhead and privacy in the consortium blockchain.

Keywords

Consortium blockchain Anonymous credential system Blind signature Multi-Bloom filter Anonymous identity 

Notes

Acknowledgements

This research was supported by the MSIT (Ministry of Science and ICT), Korea, under the ITRC (Information Technology Research Center) support program (IITP-2019-0-00403) supervised by the IITP (Institute for Information & communications Technology Planning & Evaluation).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Gyeong-Jin Ra
    • 1
  • Daehee Seo
    • 2
  • Md Zakirul Alam Bhuiyan
    • 3
  • Im-Yeong Lee
    • 1
    Email author
  1. 1.Department of Computer Science and EngineeringSoonchunhyang UniversityAsan-siRepublic of Korea
  2. 2.Department of Computer ScienceKennesaw State UniversityMariettaUSA
  3. 3.Department of Computer Science and Information SciencesFordham UniversityBronxUSA

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