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On Secure E-Voting over Blockchain

Lookup NU author(s): Patrick McCorry, Dr Maryam Mehrnezhad, Dr Ehsan Toreini, Professor Feng Hao

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Abstract

© 2021 Copyright held by the owner/author(s). This article discusses secure methods to conduct e-voting over a blockchain in three different settings: decentralized voting, centralized remote voting, and centralized polling station voting. These settings cover almost all voting scenarios that occur in practice. A proof-of-concept implementation for decentralized voting over Ethereum's blockchain is presented. This work demonstrates the suitable use of a blockchain not just as a public bulletin board but, more importantly, as a trustworthy computing platform that enforces the correct execution of the voting protocol in a publicly verifiable manner. We also discuss scaling up a blockchain-based voting application for national elections. We show that for national-scale elections the major verifiability problems can be addressed without having to depend on any blockchain. However, a blockchain remains a viable option to realize a public bulletin board, which has the advantage of being a "preventive"measure to stop retrospective changes on previously published records as opposed to a "detective"measure like the use of mirror websites. CCS Concepts: • Security and privacy;

Publication metadata

Author(s): McCorry P, Mehrnezhad M, Toreini E, Shahandashti SF, Hao F

Publication type: Article

Publication status: Published

Journal: Digital Threats: Research and Practice

Year: 2021

Volume: 2

Issue: 4

Print publication date: 01/12/2021

Online publication date: 15/10/2021

Acceptance date: 01/04/2021

ISSN (print): 2692-1626

ISSN (electronic): 2576-5337

Publisher: ACM

URL: https://doi.org/10.1145/3461461

DOI: 10.1145/3461461

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