Discover how to implement authentication from scratch in this 20-minute conference talk from Vue.js Amsterdam 2020. Dive into the fundamentals of authentication, exploring providers, protocols, and JWT (JSON Web Tokens). Learn the steps for implementing token-based authentication, including registration, login, and logout functionalities. Gain insights into additional authentication steps and best practices. Perfect for Vue.js developers looking to enhance their skills in building secure applications. Presented by Adam Jahr, a Vue.js instructor at Vue Mastery and host of the official Vue News Podcast, this talk offers valuable knowledge for both beginners and experienced developers in the Vue.js ecosystem.