Cryptology ePrint Archive: Report 2020/674

Coercion-Resistant Blockchain-Based E-Voting Protocol

Chiara Spadafora and Riccardo Longo and Massimiliano Sala

Abstract: Coercion resistance is one of the most important features of a secure voting procedure. Because of the properties such as transparency, decentralization, and non-repudiation, blockchain is a fundamental technology of great interest in its own right, and it also has large potential when integrated into many other areas. Here we propose a decentralized e-voting protocol that is coercion-resistant and vote-selling resistant, while being also completely transparent and not receipt-free. We prove the security of the protocol under the standard DDH assumption.

Category / Keywords: cryptographic protocols / e-voting, blockchain, DDH, election schemes, zero knowledge

Date: received 5 Jun 2020

Contact author: c spadaf at libero it,riccardolongomath@gmail com,maxsalacodes@gmail com

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Version: 20200605:195929 (All versions of this report)

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