There's already the Handy Signatur (https://www.handy-signatur.at/hs2/) - a way to digitally sign official documents using your smartphone ('handy'). The only way to obtain this is to have your ID and phone number registered with the authorities. It's convenient, but it's also a system that removes any possibility of anonymity.
I imagine this kind of digital signature will be mandatory when signing up for the internet services described in the article...
I imagine this kind of digital signature will be mandatory when signing up for the internet services described in the article...