Yes, the equivalent to a password in the physical world is a key. Or something like the tagged jewellery they were suggesting before: https://www.technologyrev

Yes, the equivalent to a password in the physical world is a key. Or something like the tagged jewellery they were suggesting before: https://www.technologyreview.com/s/512051/google-wants-to-replace-all-your-passwords-with-a-ring/ https://www.technologyreview.com/s/512051/google-wants-to-re... I agree this seems like massive overkill. Biometric data is what you'd associate with a passport, or id card, or perhaps require for access to a bank account. That kind of data being used to log-in to a website is a big step.