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Self-tallying e-voting with public traceability based on blockchain
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AI
DOI：10.1016/j.csi.2023.103795.png)
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Abstract
En 中文
In the post-epidemic era, the prevalence of remote collaborations in modern work environments highlight the importance of e-voting as a critical component in facilitating distributed decision-making. Most of the existing e-voting systems heavily rely on a centralized tally authority which requires a high degree of moral trust. However, this kind of architecture is insufficient for expected decentralization and verifiability in remote decision-making. A self-tallying e-voting system is more in line with our developed demands, nonetheless, it suffers adaptive and abortive issues inherently and as a result, fairness cannot be guaranteed. In this paper, we try to provide rational trust by building a blockchain-based self-tallying e-voting system with public traceability. We improve fairness and achieve a balance between privacy and accountability by taking advantage of a time-lock puzzle and traceable ring signature, in which the puzzle-solving time does not impose a real burden. We propose a concrete construction and prove that our protocol satisfies time-limited ballot secrecy, anonymity, exculpability, public traceability, self-tallying and fairness. We implement the prototype both on-chain and off-chain, and the results of time overhead of each phase demonstrate the practicability of our proposal.
Keywords:
E-voting
Public traceability
Self-tallying
Blockchain
Journal
C
IF:
3.1
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2.3K
Citations:
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