https://www.youtube.com/watch?v=TdPGV-eIuRo
Visa is creating a card that connects to multiple bank accounts https://www.youtube.com/watch?v=Zj8D5prW2N8
Visa Changing Credit Cards as we Know Them https://www.youtube.com/watch?v=LODk2XdWrvI
A gradual push towards a world biometric ID card. Then eventually a Nanotech version could be implanted. While that might seem ideal for a global human herd AI management and tracking system, might humans just be considered to be livestock and lab animals? Most people don't want to have a Borg-Collective world, but an AI planet control system might.
https://www.biometricupdate.com/biometric-articles
Technology should be able to improve the lives of people, not micromanage or enslave them.
https://itrexgroup.com/blog/internet-of-bodies-iob-definition-benefits-examples/