This session will cover everything you ever wanted to know about web authentication. Specifically, you'll learn how modern web authentication works (registration, login, sessions, JSON web tokens). You'll see how to take a bare-bones Node app, and add progressively better authentication to it step-by-step. Along the way, you'll discover the joys of session management, tokens, cookies vs. local storage, and other goodies that will help take your knowledge of web security to the next level.