How I Implemented Google OAuth Authentication in a MERN Stack Application Authentication is one of the most important features of modern web applications. While traditional email and password authentication works well, many users prefer signing in with their Google account because it is faster and more convenient. In one of my MERN Stack projects, I implemented Google OAuth authentication to allow users to sign in securely without creating a separate password. In this article, I will explain the overall workflow and key implementation steps. What is Google OAuth? Google OAuth is an authentication protocol that allows users to sign in to an application using their Google account. Instead of managing passwords, the application relies on Google's authentication system.…