If you can't view this video, your browser does not support HTML5 videos
To view this video please enable JavaScript, and consider upgrading to a web browser thatsupports HTML5 video
https://www.youtube.com/watch?v=DJLR1DswfhA
============================================
Here's some more reading from a Dutch site
https://www.martinvrijland.nl/en/news-analyses/breaking-digitale-qr-code-rantsoenering-aanstaande-eerst-gas-dan-brandstof-en-voedsel/
^^ and read harry_1234's comment under it
already exist