End-to-end auditable voting

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End-to-end auditable or end-to-end voter verifiable (E2E) systems are voting systems with stringent integrity properties and strong tamper resistance. E2E systems use cryptographic techniques to provide voters with receipts that allow them to verify their votes were counted as cast, without revealing which candidates a voter supported to an external party. As such, these systems are sometimes called receipt-based systems.^[1]