How are the KYC requirements handled in Germany? What sort of documentation do you need to open a bank account?
Some online banks outsource this process to the Post: https://www.deutschepost.de/en/p/postident.html
I'm not sure how N26 does it these days, at the time it was over videochat. I believe it's just a picture of your ID and a selfie now?
However, while you need a German address, no registration is necessary (which I'm only having done on Monday). I didn't even have any German phone number yet at that point.