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What a CASHLESS society REALLY means
(links.hackliberty.org)
Privacy is the ability for an individual or group to seclude themselves or information about themselves, and thereby express themselves selectively.
Creating a QR code and scanning involves the same interaction though.
Yes, I fondly remember growing up smelling QR codes that my grandma handed me before getting on my plane flight, I'll always have the memory of hugging her and scanning the QR code from her phone that she can definitely figure out.
Which of course is a much better memory than a pinch on the cheek and being given $50 in cash for your flight.