Haechi: Simple Commitment-based Keyless In-person Verifiable Elections

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Verifiable election systems allow voters to verify that their secret ballots were accurately recorded and counted, while enabling anyone to verify the announced tallies. However, two practical obstacles stand between this guarantee and actual verification. First, public election records can be prohibitively large: for an election with one million ballots, deployed systems may publish more than 100GB of cryp- tographic data. Second, most existing systems protect ballot privacy through encryption