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(Un)linkable Pseudonyms for Governmental Databases
Proceedings of the 22nd ACM SIGSAC Conference on Computer and Communications Security, 2015When data maintained in a decentralized fashion needs to be synchronized or exchanged between different databases, related data sets usually get associated with a unique identifier. While this approach facilitates cross-domain data exchange, it also comes with inherent drawbacks in terms of controllability.
Jan Camenisch, Anja Lehmann
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Many-Time Linkable Ring Signatures
Linkable ring signatures (Liu et al., ACISP’04) is a ring signature scheme with a linking mechanism for detecting signatures from the same signer. This functionality has found many practical applications in electronic voting, cryptocurrencies, and whistleblowing systems. However, existing linkable ring signature schemes impose a fundamental limitation:Nam Tran +4 more
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A regulated anonymous cryptocurrency with batch linkability
Computer Standards and InterfacesYanqi Zhao, Lianhai Wang, Yong Yu
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On Tightly-Secure (Linkable) Ring Signatures
2021Tight security is increasingly gaining importance in real-world cryptography, as it allows to deploy the cryptosystem without compensating the security loss of a reduction with larger parameters. In this paper, we point out the difficulties of creating tightly-secure ring signatures (RS) and linkable ring signatures (LRS), then present solutions to ...
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Separable Linkable Threshold Ring Signatures
2004A ring signature scheme is a group signature scheme with no group manager to setup a group or revoke a signer. A linkable ring signature, introduced by Liu, et al. [20], additionally allows anyone to determine if two ring signatures are signed by the same group member (a.k.a. they are linked). In this paper, we present the first separable linkable ring
Patrick P. Tsang +5 more
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Anonymous and Linkable Location-Based Services
IEEE Transactions on Vehicular Technology, 2022Vijay Kumar Yadav 0003 +3 more
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Secure Triplet Loss: Achieving Cancelability and Non-Linkability in End-to-End Deep Biometrics
IEEE Transactions on Biometrics, Behavior, and Identity Science, 2021Miguel Velhote Correia +2 more
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Privacy protection methods for linkability attacks during 5G AKA
2022Jinhua WANG, Chengbin Huang
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