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In theory, if every QR in the building was different and they had the right sensors, they could also try to pair your browser fingerprint to your Bluetooth Mac,
by imglorp 2y ago
In theory, if every QR in the building was different and they had the right sensors, they could also try to pair your browser fingerprint to your Bluetooth Mac, WiFi Mac, and your face. That pairing would have value on its own.