nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpq94ptryqc7aj5sc0rm98gucawd4yyhp2t873fvtglu6p5lux7zn3qgw6w9a has an excellent solution of safely using QR codes for good information about products/food. I guess if his ideas were combined with the supermarket scanner (i.e. you do not need tools yourself as a customer), so the scanner would provid the info, the most important barriers seem gone.
#QR #Food