Google has smartwatches. Why can't they be security keys too?
https://www.cnet.com/news/google-has-smartwatches-why-cant-they-be-security-keys-too/
With Apple, Samsung and Google all expected to launch new smartwatches later this year, I say: It's time to let wearables be our password helpers, too.
Android P, the next version of Google's mobile OS, is already bring better biometric security features. Browsers including Chrome, Firefox and Edge have been adding support for two-factor authentication this year, allowing keychains, phones, smartwatches or rings to act as password replacements.