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9 months agoExcept no. First issue it’s messured wrong. You messure a full package and then an empty one in the factory. Losses during shipping and so on is the problem of the customer. Especially meat looses a lot of water. People don’t weigh the water in the cloth.
Also the little e (estimated sign, 76/211/EEC) besides the package does specially allow variations. Only the entire batch must be correct on average. But there is a limit on how much variations is allowed. And big companies are closely watched.
Probably people would struggle to scan the QR Code with their smartphone. I think most apps can scan it from a image but obviously this would be unsafe, especially when people sync their screenshot to the cloud.
I can 100% confirm totp exist for PayPal, because I’m using it.