Numerous methods have been proposed to conduct cryptographically secure elections. Most of these protocols focus on l-out-of-n voting schemes. Few protocols have been devised for preferential voting systems, in which voters provide a list of rankings of the candidates, and many of those treat ballots as if they were ballots in a l-out-of-n voting scheme. We propose a linked-list-based scheme that provides improved privacy over current schemes, hiding voter preferences that should not be revealed. For large lists of candidates we achieve improved asymptotic performance.
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