Which payment security innovation was widely adopted by retailers after major data breaches at Target and Home Depot in 2013-2014?

In today's digital retail landscape, cybersecurity has become as important as physical security. As retailers collect vast amounts of customer data and process millions of transactions daily, they've become prime targets for cybercriminals. This poll tests your knowledge about a significant cybersecurity innovation that changed how retailers protect customer payment information at the point of sale. Understanding these protective measures offers insight into the evolving balance between convenience and security in modern retail operations.

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EMV chip technology (chip-and-PIN/chip-and-signature cards)
Blockchain-based payment verification
Biometric payment authentication
Quantum-encrypted transaction processing