Why is that hard to believe? Plenty of systems work that way today. Holding on to that kind of information is a liability.
>we don't store anything except an encrypted token to prevent s.o. from opening multiple accounts. Authorities will not be able to identify users.
The current political climate in Germany is quite the opposite: Less anonymity. More access for authorities. So why this wave of support from politics?
I really would not mind to be wrong, though.
But Elena Rossini points out a lot of things in her 3 posts that confirm my skepticism.
Link to the interviews from german tv which I'm referring to[0]. Not sure if that helps.
[0] https://www.zdfheute.de/politik/deutschland/w-social-nachric...