this post was submitted on 27 Feb 2026
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TOTP requires a 2nd device to be a 2nd factor, whereas many people want to use their phone with passwords synced.
Also, mabnually typing in numbers sucks.
That's where WebAuthn comes in. Users couls, for example jus log in with a Nitrokey or Yubikey.
You can store the secret on the same device as password and it'll still protect you from eavesdropped, leaked or guessed password
It's not a 2nd factor if there's only one place knowledge has to bde stolen from you.
That depends on the security vector one tries to secure. If my password manager DB gets stolen and password gets hacked - sure. But that is not the only threat one might want to use TOTP against. Even if my TOTP is on the same device as password, if someone manages to recreate my password or eavesdrops it or my password (but not TOTP secret) leaks, TOTP still guards my account