The .NET integration platform for Ethereum and EVM-compatible blockchains. From smart contract interaction to a complete in-process Ethereum node, blockchain indexer, explorer, account abstraction bundler, MUD framework, multi-platform wallets, Unity integration, and .NET Aspire orchestration — 130+ packages targeting netstandard 2.0 through .NET 10 and Unity.
The main Nethereum solution and projects: github.com/Nethereum/Nethereum
dotnet add package Nethereum.Web3
For a complete guide to all 130+ packages, see COMPONENTS.md.
| Package | NuGet | Description |
|---|---|---|
| Nethereum.Web3 |  |
High-level entry point: RPC, contracts, accounts, signing |
| Nethereum.Contracts |  |
Smart contract interaction with typed services for ERC-20, ERC-721, ERC-1155, ENS, and more |
| Nethereum.EVM | Full in-process EVM simulator with debugging and state tracing | |
| Nethereum.DevChain.Server | In-process Ethereum dev chain — no external node required | |
| Nethereum.BlockchainProcessing |  |
Blockchain data indexing with reorg detection and token transfer processing |
| Nethereum.Explorer | Blazor Server blockchain explorer with ABI decoding and contract interaction | |
| Nethereum.AccountAbstraction | ERC-4337 account abstraction + ERC-7579 modular smart accounts | |
| Nethereum.Mud | MUD autonomous worlds: table queries, store indexing, normalisation | |
| Nethereum.Uniswap | Uniswap V2/V3/V4 + Permit2 | |
| Nethereum.X402 | HTTP 402 crypto payments (client + server middleware) | |
| Nethereum.GnosisSafe |  |
Gnosis Safe multi-sig integration |
| Nethereum.Siwe |  |
Sign-In with Ethereum (EIP-4361) |
All packages: nuget.org/profiles/nethereum
Try Nethereum directly in your browser — chain interaction, Ether transfers, ERC20/ERC721, ENS, SIWE, HD wallets, log processing, and more.
Get started quickly with dotnet new templates:
dotnet new install Nethereum.Templates.Pack
dotnet new install Nethereum.DevChain.Template
| Template | Short Name | Description |
|---|---|---|
| Smart Contract Library + ERC20 XUnit | smartcontract |
Smart contract dev with auto code generation and integration tests |
| ERC721/ERC1155 Open Zeppelin | nethereum-erc721-oz |
NFT and multi-token development with OpenZeppelin |
| Blazor MetaMask Wasm/Server | nethereum-mm-blazor |
Blazor + MetaMask integration |
| Blazor SIWE Wasm/Server/REST | nethereum-siwe |
Sign-In with Ethereum authentication |
| WebSocket Streaming | nethereum-ws-stream |
Real-time blockchain data streaming |
| Aspire DevChain Environment | nethereum-devchain |
Full dev environment: DevChain + PostgreSQL + Indexer + Explorer |
Sources: SmartContractDefault, OZ-Erc721-Erc1155, Metamask.Blazor, SIWE
A .NET Blazor Wasm SPA, Desktop (Windows/Mac), Android and iOS light blockchain explorer and wallet.
Source: Nethereum-Explorer-Wallet-Template-Blazor | Try it: explorer.nethereum.com
A reactive cross-platform desktop wallet using Nethereum, Avalonia, and ReactiveUI.
Source: Nethereum.UI.Desktop
| Resource | Description |
|---|---|
| Nethereum.Unity | Unity package — install via git URL |
| Unity3dSampleTemplate | Getting started: BlockNumber, Ether transfer, ERC20, MetaMask, cross-platform |
| Nethereum.Unity.Webgl | WebGL + MetaMask: deploy ERC721 NFTs from Unity |
- Documentation: nethereum.readthedocs.io
- Playground: playground.nethereum.com
- Discord: Join the community — technical support, chat, and collaboration
- Full Component Catalog: COMPONENTS.md