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Chapitre D'ouvrage Année : 2019

DABSTERS: A Privacy Preserving e-Voting Protocol for Permissioned Blockchain

Résumé

With the immutability property and decentralized architecture, Blockchain technology is considered as a revolution for several topics. For electronic voting, it can be used to ensure voter privacy, the integrity of votes, and the verifiability of vote results. More precisely permissioned Blockchains could be the solution for many of the e-voting issues. In this paper, we start by evaluating some of the existing Blockchain-based e-voting systems and analyze their drawbacks. We then propose a fully-decentralized e-voting system based on permissioned Blockchain. Called DABSTERS, our protocol uses a blinded signature consensus algorithm to preserve voters privacy. This ensures several security properties and aims at achieving a balance between voter privacy and election transparency. Furthermore, we formally prove the security of our protocol by using the automated verification tool, ProVerif, with the Applied Pi-Calculus modeling language.
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hal-04445965 , version 1 (08-02-2024)

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Marwa Chaieb, Mirko Koscina, Souheib Yousfi, Pascal Lafourcade, Riadh Robbana. DABSTERS: A Privacy Preserving e-Voting Protocol for Permissioned Blockchain. ICTAC 2019: Theoretical Aspects of Computing – ICTAC 2019, 11884, Springer International Publishing, pp.292-312, 2019, Lecture Notes in Computer Science, 978-3-030-32504-6. ⟨10.1007/978-3-030-32505-3_17⟩. ⟨hal-04445965⟩
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