Abstract
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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Notes
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TCA: Trusted Central Authority; SV: Single Vote; MV: Multiple Votes.
- 2.
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This work has received funding from the European Union’s Horizon 2020 research and innovation programme under the Grant Agreement No. 826404, Project CUREX.
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Chaieb, M., Koscina, M., Yousfi, S., Lafourcade, P., Robbana, R. (2019). DABSTERS: A Privacy Preserving e-Voting Protocol for Permissioned Blockchain. In: Hierons, R., Mosbah, M. (eds) Theoretical Aspects of Computing – ICTAC 2019. ICTAC 2019. Lecture Notes in Computer Science(), vol 11884. Springer, Cham. https://doi.org/10.1007/978-3-030-32505-3_17
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