Quantum anonymous voting with anonymity check
Dmitri Horoshko, Sergei Kilin

TL;DR
This paper introduces a quantum anonymous voting protocol that ensures unconditional voter privacy and allows voters to verify the anonymity of the process through entanglement checks, preventing cheating by the tallyman.
Contribution
It presents a novel quantum voting protocol where ballots are returned for verification, enhancing security and transparency over previous methods.
Findings
The protocol guarantees unconditional voter privacy.
Cheating attempts by the tallyman can be detected through entanglement destruction.
Voters can verify the integrity of the vote counting process.
Abstract
We propose a new protocol for quantum anonymous voting having serious advantages over the existing protocols: it protects both the voters from a curious tallyman and all the participants from a dishonest voter in unconditional way. The central idea of the protocol is that the ballots are given back to the voters after the voting process, which gives a possibility for two voters to check the anonymity of the vote counting process by preparing a special entangled state of two ballots. Any attempt of cheating from the side of the tallyman results in destroying the entanglement, which can be detected by the voters.
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