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PUNCHSCAN

Punchscan

Vote counting system

Punchscan is an optical scan vote counting system invented by cryptographer David Chaum. Punchscan is designed to offer integrity, privacy, and transparency

Punchscan

David Chaum

American computer scientist and cryptographer (born 1955)

verifiable voting systems that use conventional paper ballots: Prêt à Voter, Punchscan, and Scantegrity. The city of Takoma Park, Maryland used Scantegrity for

David Chaum

David_Chaum

Electronic voting

Type of voting by election mechanism

system detected their vote correctly. End-to-end (E2E) systems include Punchscan, ThreeBallot and Prêt à Voter. Scantegrity is an add-on that extends current

Electronic voting

Electronic_voting

End-to-end auditable voting

Voting system

VoteHere cryptographic solutions. Chaum's team subsequently developed Punchscan, which has stronger security properties and uses simpler paper ballots

End-to-end auditable voting

End-to-end_auditable_voting

Scantegrity

Security enhancement for voting system

ballots has not been broken at any point. Other E2E voting systems such as Punchscan and ThreeBallot, address these issues but require existing polling place

Scantegrity

Electoral fraud

Illegal interference with the process of an election

door towards forced voting and blackmail. End-to-end systems include Punchscan and Scantegrity, the latter being an add-on to optical scan systems instead

Electoral fraud

Electoral_fraud

Prêt à Voter

Voting system

permutations has subsequently been incorporated in Chaum's Punchscan scheme. However Punchscan uses a permutation of indirection symbols instead of candidate

Prêt à Voter

Prêt_à_Voter

University Voting Systems Competition

Wroclaw University of Technology, Prime III from Auburn University, and Punchscan a team consisting of members from George Washington University, University

University Voting Systems Competition

University_Voting_Systems_Competition

Optical scan voting system

Type of voting machine

Electronic voting in the United States#Optical scan counting Prêt à Voter Punchscan Scantegrity Vote counting#Optical scan counting Voting machine Voting

Optical scan voting system

Optical_scan_voting_system

Alan Sherman

American computer scientist (born 1957)

Crypto 82. Plenum Perss. Fisher, K. and Carback, R. and Sherman, A., Punchscan: Introduction and System Definition of a High-Integrity Election System

Alan Sherman

Alan_Sherman

Bingo voting

trusted authority. End-to-end auditable voting systems Electronic Voting Punchscan Scantegrity ThreeBallot Farnel Bohli, Müller-Quade, Röhrich 2006 Bohli

Bingo voting

Bingo_voting