This article puts Blazor WebAssembly under test by building a small real time survey application leveraging SignalR for its real time functionality across both frontend and backend. While doing so, we will use the latest ASP.NET libraries in .NET 5 and C# 9.0, including some of the new language features like record types.

This article covers authentication in the context of ASP.NET Core and SignalR apps.

It describes how ASP.NET Core allows you to implement authentication using different schemes. Starting with cookie based authentication, it discusses different authentication schemes followed by JWT Bearer tokens.

Using an ASP.NET Core backend, and a Vue.js frontend, we will look into the main concepts and building blocks of SignalR by implementing a minimalistic version of Stack Overflow.