Awesome

Nethereum Playground

• Interact with Ethereum and learn how to use Nethereum directly in your browser
• Integrated Monaco editor, supporting rich IDE features like highlighting, code completion, method information<
• The compilation and execution of code does not leave your browser thanks to Mono Wasm and Roslyn
• Ever growing collection of samples in both C# and Vb.Net to learn Nethereum and Ethereum
• Load and save samples to and from the browser local storage or as a file

You can run it here: http://playground.nethereum.com/

Credits

• @Suchiman for creating Blazor Runny the first Wasm / Blazor / Roslyn compiler (that I know of and which this is based on) and to provide support for async https://github.com/Suchiman/Runny (Amazing!)
• Blazor Monaco for creating the Monaco embedded component, which this is also based on. https://github.com/davidnmbond/BlazorComponents.Monaco
• @Enigmatic for adding the VB.Net support
• Blazor, Mono, Monaco and Roslyn teams