

For that scenario you could also consider using certificate based login. Just store your root certificate in a safe place (like a Keepass) an then sign new keys for your new devices when you get one.
https://docs.ssh.com/manuals/server-admin/44/User_Authentication_with_Certificates.html

Klarna is a thing in Germany as well and personal bankruptcy absolutely is a thing here [https://www.verbraucherzentrale.de/wissen/geld-versicherungen/kredit-schulden-insolvenz/privatinsolvenz-in-3-jahren-schuldenfrei-11417] so I don’t know if your second point is that relevant. I’d agree on the first one though.