Paperlinks Makes Takeout Menus More Interactive With QR Codes
techcrunch.com
techcrunch.com
Maybe treat default QR codes as sandbox-browse only, but other QR codes could be "signed" as coming from a trusted source, and given greater permissions.
Seems like a good opportunity for a QR code app developer to come up with a security standard, make it open, and provide a simple toolchain to build trust on top of QR.