https://www.cnet.com/news/why-cant-wear-os-smartwatches-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.