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Explore the critical security vulnerabilities and regulatory gaps surrounding Ballot Marking Devices (BMDs) in this DEF CON 33 Voting Village conference talk. Examine how BMDs create fundamental problems by encoding voter choices in machine-readable images that voters cannot verify, while producing multiple distinct representations of ballot selections including QR/bar code images, printed text summaries, and scanner-generated ballot images. Analyze the regulatory failures that allow these systems to operate despite creating verification challenges and potential security risks. Learn about the technical complexities that arise when different components of the voting system may interpret ballot data differently, and understand why current oversight mechanisms fail to address these critical issues in electronic voting infrastructure.
