It’s because the phone is a two-factor token that everyone has with them. With a secure processor being the hardware token and fingerprints or face scans biometrics. This makes it ideal for saving such sensitive data. I most frequently use it to digitally sign documents in a legally enforceable way.
The card you linked is similar, and a smart card was one of the previous versions of our system. The goal here was to make it universally accessible, and a smartphone is perfect for that.
In the real world:
https://www.oesterreich.gv.at/en/id-austria.html
Also https://www.cac.mil/Common-Access-Card/, if the Americans are skeptical.
I don’t like the Austrian one being phone-integrated, but I understand why people would want that.
It’s because the phone is a two-factor token that everyone has with them. With a secure processor being the hardware token and fingerprints or face scans biometrics. This makes it ideal for saving such sensitive data. I most frequently use it to digitally sign documents in a legally enforceable way.
The card you linked is similar, and a smart card was one of the previous versions of our system. The goal here was to make it universally accessible, and a smartphone is perfect for that.