https://www.cnet.com/news/safari-tests-hardware-security-key-support-to-fix-password-problems/

Mozilla was first to support WebAuthn with its Firefox browser, but Google followed shortly after and Microsoft Edge also signed on -- a big deal for Microsoft since it currently requires Edge for no-password sign-on to websites like Office 365 and Outlook. Other websites supporting hardware security keys include Google sites, Facebook, Twitter and Dropbox.

Passwords have been used for decades to protect our access to sensitive sites, but on their own, they've shown profound weaknesses. People reuse the same password for different sites so one stolen password can have broad consequences. People often pick passwords that can be guessed or cracked with dictionary terms, and when required to change passwords often only make minor changes. And data breaches today affect millions of us.