4.7 Article

A Blockchain-Based Traceable Self-Tallying E-Voting Protocol in AI Era

期刊

出版社

IEEE COMPUTER SOC
DOI: 10.1109/TNSE.2020.3011928

关键词

Electronic voting; Protocols; Artificial intelligence; Privacy; E-voting; Blockchain; AI; Traceability; Self-tallying

资金

  1. National Key R&D Program of China [2017YFB0802000]
  2. National Natural Science Foundation of China [61872229, U19B2021, U1936213, U1705264]
  3. Key Research and Development Program of Shaanxi [2020ZDLGY09-06]
  4. Opening Project of Guangdong Provincial Key Laboratory of Data Security and Privacy Protection [2017B030301004-16]

向作者/读者索取更多资源

Artificial intelligence (AI) has shown great potential in various real-world applications, but faces challenges in trust-oriented applications such as e-voting. This paper aims to strengthen AI ecosystems by developing a blockchain-based traceable self-tallying e-voting system, which supports additional functions like multi-choice and self-tallying, and satisfies anonymity, time-bounded privacy, linkability, and full-traceability. The proposed e-voting protocol is practical and can be adopted in real-world applications, as evaluated by the time and gas costs of operations.
Artificial intelligence (AI) has demonstrated huge potential in a variety of real-world applications. However, some significant considerations like fairness, transparency and trustworthiness are still challenging when applying AI to trust-oriented applications such as E-voting. E-voting plays a significant role in democratic societies, which requires voters and initiators have strong mutual trust. In this paper, we aim to facilitate the consolidation of AI ecosystems by developing a blockchain-based traceable self-tallying e-voting system. We take advantage of an event-oriented linkable group signature and a homomorphic time-lock puzzle to balance the anonymity and accountability, and the voting scale and efficiency of an e-voting system. The proposed e-voting protocol supports additional functions like multi-choice and self-tallying. We prove that the proposed protocol satisfies anonymity, time-bounded privacy, linkability and full-traceability. We also evaluate the time cost of off-chain operations and the gas cost of on-chain operations, which show the proposed e-voting protocol is practical and can be adopted in real-world applications.

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