Quantum protocols for anonymous voting and surveying

Details Quantum protocols for anonymous voting and surveying Quantum protocols for anonymous voting and surveying

2005-04-21

arxiv.org/abs/quant-ph/0504161v2

Phys. Rev. A 75, 012333 (2007)

Physics

Quantum Physics

8 pages. V2 includes the modifications made for the published version

Scientific paper

10.1103/PhysRevA.75.012333

We describe quantum protocols for voting and surveying. A key feature of our schemes is the use of entangled states to ensure that the votes are anonymous and to allow the votes to be tallied. The entanglement is distributed over separated sites; the physical inaccessibility of any one site is sufficient to guarantee the anonymity of the votes. The security of these protocols with respect to various kinds of attack is discussed. We also discuss classical schemes and show that our quantum voting protocol represents a N-fold reduction in computational complexity, where N is the number of voters.

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