Explore the Implicit Flow in ASP.NET Core 3 with IdentityServer4 in this 46-minute video tutorial. Dive into manually setting up signing redirect and token storage. Learn to create a JavaScript client, craft return URLs, and develop a sign-in page. Test various aspects including authorization, response types, and login processes. Troubleshoot common issues such as JavaScript errors, invalid URLs, and redirect URI problems. Gain hands-on experience with client configuration, error handling, and console logging. Follow along with the provided source code to enhance your understanding of authentication in ASP.NET Core 3.