Build a Passwordless Login System Using WebAuthn and PHP

The article by Isijola Jeremiah provides a comprehensive guide on building a passwordless login system using WebAuthn and PHP, emphasizing the use of public-key cryptography for secure authentication without traditional passwords. It explains the WebAuthn workflow, where users authenticate through trusted devices like fingerprint scanners or security keys, and details the setup process, including prerequisites like PHP 8.3, Composer, and a secure web server. The tutorial covers backend setup with PHP scripts for registration and authentication, and frontend development with HTML and JavaScript, using the WebAuthn API to manage user credentials. The guide aims to create a seamless and secure user authentication experience by replacing passwords with passkeys, enhancing security and user experience on both backend and frontend.