NNS_SDK_CSharp a NNS contract function SDK for .net framwork and .net core Support for .NET Framework 4.6.1+ .NET Core 2.0+ NuGet Nuget Page Package Manager Install-Package NNS.sdk -Version 1.0.2 .NET CLI dotnet add package NNS.sdk --version 1.0.2 NEL NEO Block API URL NEO Testnet: https://api.nel.group/api/testnet NEO Mainnet: https://api.nel.group/api/mainnet API Doc