W3C approves WebAuthn as the official web standard for password-free logins; WebAuthn is supported by Edge, Chrome, and Firefox, and is in Safari preview
The World Wide Web Consortium (W3C) today declared that the Web Authentication API (WebAuthn) is now an official web standard.
Context & Ripple Effects
WebAuthn's path to a standard has been visible for a year: the FIDO Alliance and W3C first announced the password-free login protocol in April 2018 with only Firefox shipping it, and Apple added support to Safari in Safari Technology Preview 71 that December. Today's W3C approval turns that draft into an official web standard, with Edge, Chrome, and Firefox already shipping and Safari still in preview.
The approval also follows a familiar W3C playbook — the same body that pushed the contentious Encrypted Media Extensions DRM spec to Recommendation status despite objections. And the browser vendors are moving fast on the backend too: Google has already wired FIDO2 support into its login system, letting users sign in with hardware security keys on Firefox and Edge.
First-order effects
- Sites can now implement WebAuthn as a standards-track login method rather than a vendor experiment, and users of Edge, Chrome, and Firefox can authenticate with hardware security keys today; Safari users must wait on the preview build.
Second-order effects
- Identity providers like Google, which has already added FIDO2 support to its login system, gain a browser-native credential option that works across competing browsers — reducing their dependence on passwords and the SMS/email fallback flows built around them.
Third-order effects
- If all four browser engines converge on WebAuthn as Safari's preview suggests, hardware-backed authentication becomes a baseline web capability, and the password's role shifts from primary credential to recovery mechanism — a structural change in how the web's trust layer is built.
The trend: Browser vendors are consolidating authentication into a shared, hardware-backed W3C standard, moving password-free login from vendor experiment to web platform baseline.