Eventually, a person can opt for the tattoo version.
https://www.biometricupdate.com/202312/australia-to-rebrand-mygovid-following-audit-recommendation
Some might opt for an implanted version. If its good enough for pets and livestock, then whynot for people? https://en.wikipedia.org/wiki/Microchip_implant_(animal)#Australia
What if the so called human herd isn't comfortable becoming tracked like livestock? There will be more global pressure to get everyone to conform.
https://www.digitalidentity.gov.au/digital-id-bill
Unfortunately, Australia is part of the world zoo, farm and laboratory.
https://www.worldbank.org/en/news/immersive-story/2019/08/14/inclusive-and-trusted-digital-id-can-unlock-opportunities-for-the-worlds-most-vulnerable While there seems to be some great benifits and convienences on the surface, it also fits right into a global technocracy control system. In deed, if technological totalitarianism is gradually phased in, many people are more likely to accept it.
https://www.rand.org/multimedia/video/2020/10/29/what-is-the-internet-of-bodies.html
https://www.forbes.com/sites/bernardmarr/2019/12/06/what-is-the-internet-of-bodies-and-how-is-it-changing-our-world Whos world? It's already a corporate and NGO run planet. Eventually to become an AI run world.
The world will gradually become like an interconnected series of Black_Mirror episodes.
https://en.wikipedia.org/wiki/List_of_Black_Mirror_episodes#Series_6_(2023)
https://en.wikipedia.org/wiki/Microchip_implant_(human)#Criticisms_and_concerns
https://en.wikipedia.org/wiki/Microchip_implant_(human)#Risk_to_human_freedom_and_autonomy