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I saw that the new passkey was stored in my iOS Passwords. I then went to Safari on MacOS and tried to login with my new account at my.1Password.com and as expected, it wanted to unlock with a passkey. When I told it to, it popped up a dialog with a 6 char code? I canceled, and found the 1Password app open. But in Safari, it showed "Unable to sign in with passkey". After quitting 1Password and trying again, it fails to open with a passkey and 1P doesn't open. Maybe the beta isn't this far along yet?

It sounds like this is part of the expected workflow. You'd obtain that code from the 1Password app on your iPhone and enter it into Safari. This is part of the new device authorization process.

Ben

@1P_Ben, can you explain the relative security of a vault/account secured only by a passkey as opposed to using a Secret Key and password?

@"Mike Molloy" We are using our trusted device security model to maintain E2E encryption even though there is no password or secret key for a passkey account. In this security model the passkey is only doing identity verification with 1Password.com and not protecting the data directly.

We have published a blog post on how the trusted device model works https://blog.1password.com/unlock-sso-deep-dive/. All the security properties described there apply to our unlock with passkey accounts