Now it is getting obvious that using QR codes for professional tasks (ID, payments, assets, documents, rich data etc.) it is necessary to do it with a dedicated reader and  a dedicated admin. Otherwise one might end up using fakes like these:

1. Fake certificates.

2. Fake information.

https://www.dailymail.co.uk/news/article-9735683/Queensland-woman-allegedly-posts-fake-QR-code-check-diverting-pub-customers-anti-vax-website.html

3. Fake products.

https://uqr.me/blog/hacker-qr-code-app-fakes-boarding-pass

4 . No reliable data. One or two wrong data spoil the potential of analytics and AI.

3.8.2021