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2020 | OriginalPaper | Chapter

An Efficient Group Signature Based Digital Currency System

Authors : Haibo Tian, Peiran Luo, Yinxue Su

Published in: Parallel Architectures, Algorithms and Programming

Publisher: Springer Singapore

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Abstract

Digital currency regulation is a hot topic. Traditional privacy-enhanced digital currency system, like the CryptoNote, seeks to protect the privacy of senders and receivers. This paper presents a digital currency system based on the group signature scheme of Boneh et al. The system can protect users’ privacy and enable regulations. The system uses the one-time address technology of the CryptoNote to achieve unlinkability. It uses the group signature and an “OR” proof of the equality of two discrete logarithms to achieve untraceability. The group manager in a group signature can open a problematic transaction, restore the real identity of the sender, and revoke the private key of the sender if needed, which makes the digital currency regulatable.

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Title: An Efficient Group Signature Based Digital Currency System
Authors: Haibo Tian
Peiran Luo
Yinxue Su
Publisher: Springer Singapore
Book: Parallel Architectures, Algorithms and Programming
Print ISBN: 978-981-15-2766-1

Electronic ISBN: 978-981-15-2767-8

Copyright Year: 2020
DOI: https://doi.org/10.1007/978-981-15-2767-8_34

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