Which retail payment system technology was first adapted for widespread use in U.S. electronic voting machines during the early 2000s?

Government voting systems have evolved dramatically over the decades, incorporating various retail technologies to improve accessibility, security, and voter participation. This trivia question explores a significant technological advancement that transformed how citizens interact with the democratic process. Test your knowledge about the intersection of retail payment technology and government voting systems!

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Touchscreen technology originally developed for ATMs and point-of-sale terminals
RFID chip readers from retail inventory management systems
Barcode scanners adapted from grocery checkout systems
NFC payment technology from early smartphone payment systems