In this video Developer Advocate Will Johnson explains what WebAuthn is and how it works. 
You'll  get familiar WebAuthn's two main API calls and the options you can include within those requests to strongly authenticate users.

The Web Authentication API (WebAuthn) enables strong authentication with public key cryptography. Allowing passwordless authentication and/or secure second-factor authentication within the browser. WebAuthn is resistant to fishing phishing, data breaches, and password attacks.

*Chapters*
00:00 Introduction
00:46 What is WebAuthn?
01:36 The Benefits of Using WebAuthn
02:41 The WebAuthn API
02:59 What is a Ceremony?
03:20 The Registration Ceremony
06:11 The Authentication Ceremony
07:38 Using Auth0 for Passwordless Authentication
08:10 Closing

You can learn more about WebAuthn and debug it yourself in our site: https://a0.to/web-authn 

You can also follow our WebAuthn Developer Labs with any of our client application code samples.

WebAuthn with FIDO Security Keys Lab:
https://developer.auth0.com/resources/labs/authentication/webauthn-with-fido-security-keys#introduction

WebAuthn with Biometrics Lab:
https://developer.auth0.com/resources/labs/authentication/webauthn-with-biometrics#introduction

Client Code Samples:
https://developer.auth0.com/resources/code-samples/spa

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