Web Authentication (WebAuthn) is a web standard published by the World Wide Web Consortium (W3C). WebAuthn is a core component of the FIDO2 Project under the guidance of the FIDO Alliance. The goal of the project is to standardize an interface for authenticating users to web-based applications and services using public-key cryptography. The WebAuthn Level 1 standard was published as a W3C Recommendation on 4 March 2019. A Level 2 specification is under development.