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  • Using Titan M like a YubiKey

Is it possible to use Titan M like a YubiKey? If yes, then how?

google does have a titan security key...
in all seriousness, no, not really. Passkeys for fido2 are stored in Google account, not on the Titan chip on the phone

    matchboxbananasynergy this only works if I use ChromeOS, iOS, MacOS, and Windows. I guess passkeys is the only thing that accomplish what I want.

    Does configuration like passkey + YubiKey would work and is it recommended? I would use my phone to login to sites and my YubiKey would be stored safely in case my phone would break or get lost/stolen.

    You might use a two factor authentication app like FreeOTP+ that is accessable with your TitanM encrypted Key only