What authenticator app do you use? How do you backup? Any open source self hosted options?
https://github.com/jamie-mh/AuthenticatorPro
auto backup stored in nextcloud
I have been using this https://github.com/beemdevelopment/Aegis Its great!
edit: I will add that 1password works well too. I use that for workI second Aegis too.
I second aegis
I was on authy and am currently migrating to bitwarden. I also love ente Auth
Also using ente, but currently migrating from bitwarden (still good) to Syncthing (open source syncing folders between devices through encrypted often direct connections, no server) with KeePass.
I use aegis for totp which has automatic backups to android cloud (Google Drive but only accessible for the app that created the folder) and for important accounts that support it I have a yubikey as well
My passwords are saved in vaultwarden