WebAuthn (Web Authentication) is a web standard published by W3C in 2019.
WebAuthn enables passwordless authentication between servers, browsers, and authenticators. WebAuthn is supported on Chrome, Firefox, Edge, and Safari.
Enabling U2F support in Mozilla Firefox
While FIDO U2F support was added with the release of Firefox Quantum, the feature is turned off by default. In order to enable U2F support in Firefox Quantum, follow the steps below:
Type "about:config" (without quotes) into the Firefox address bar and press Enter
Search for “u2f”
Double-click on security.webauth.u2f to enable U2F
Register Credential for passwordless authentication
(1) Click User menu at the upper-right navigation corner
(2) Click WebAuthn Configuration
(3) Make sure you enabled U2F support if you use Mozilla browser
(4) Click to add new credential
(5) Enter Credential name
(6) Click Submit
User can register an account with one of USB security keys or with built-in fingerprint sensor. Platform-depending prompts will be shown.
After successful credential registration (7) user can add more credentials (8) or delete credentials that was added (9)
