To see how tyranny can be instituted by combining a non anonymous transaction system with vaccine passport look at the promo video for Bill Gates funded wallet Thales

https://youtu.be/PxvNzzgoJX8

All across the world a China style social credit score called ESG is now being adopted by banks.

https://youtu.be/8f1Z57hwbWY

What happens when they decide you used up your quota? No flight, no meat or no car ride for you because they won’t let you spend your money.