Blazor Samples - use Google reCAPTCHA v2 Live Demo https://blazor-recaptcha-sample.azurewebsites.net/ Source Code Blazor WebAssembly App (Client-Side Blazor) Edition tree/master/BlazorWasmEdition Blazor Server App (Server-Side Blazor) Edition tree/master/BlazorServerEdition/Server Requirements .NET Core 3.1 SDK (3.1.300, or later) License The Unlicense