Which digital voting machine innovation first introduced voter-verified paper audit trails (VVPATs) that became a security standard in many U.S. states?

Electronic voting systems have evolved significantly as part of government digital transformation efforts. These systems aim to improve election efficiency, accessibility, and accuracy. However, they've also faced scrutiny over security concerns and implementation challenges. This poll tests your knowledge about a groundbreaking voting system technology that changed how many governments approach elections.

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The AccuVote TSx system by Diebold (2003)
The iVotronic system by ES&S (2006)
The Sequoia AVC Advantage (2001)
The Dominion ImageCast Evolution (2010)