Beware the moneyless society and the increasing use of smart phones and QR codes.
Facial recognition and a QR code will only !et you in a shop of your phone tells the store you have been vaccinated.
All transactions done by QR code on phones.
All data stored centrally.
China is well advanced in this, even issuing Social Credits for being a good citizen, and deducting points for non compliance.
Without a certain number of social credits, people are barred from travel, education, jobs and more.
Its coming.