The QR code that you use to transfer TOTP secrets to a new phone, is static. It never changes (unless you add a new service) and it requires no verification.
replyDo with that information what you will.
If you can have a copy or deployment of your TOTP code accessible (or memorized) at any time then you've solved the same problem already!
replyLearning my 1Password recovery key took quite a while, but should allow me to do a cold reboot of my digital life.
replyYubikeys could be cheaper. In addition to the two I have, I bought two more to store offsite with friends and family for redundancy (with access to my password manager + important email accounts).
replyCheaper than learning a recovery key?
replyYubikey redundancy is a great idea though
It's something that you never use on a daily basis. Very easily forgotten...
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