I already suggested this idea in the previous ideas forum… I’ll do it again.
Add the possibility to register and authenticate using a FIDO2 authenticators to implement secured passwordless login.
More information about WebAuthn and FIDO2 can be found here:
A Windows 10 machine with a user logged in using Windows Hello for Business (passwordless) is a FIDO2 authenticator. Android devices can as well act as authenticators.