# Introduction

The **Tokamak Rollup Hub** is an on-demand Layer 2 infrastructure platform designed to enable seamless deployment and end-to-end lifecycle management of Appchains. SDKv1 marks the first step in realizing this vision.<br>

The **SDKv1** is a command-line tool designed to simplify the deployment of Layer 2 Appchains (rollups) within the Tokamak ecosystem. It offers a seamless, developer-friendly deployment experience by providing configurable stack options and integration modules.

> 🔗 **Source Code:** [GitHub](https://github.com/tokamak-network/trh-sdk)\
> 📌 **Note:** SDKv1 currently supports **macOS** and **Linux** environments.

### Key Capabilities

* **Devnet Deployment**\
  Quickly deploy a local appchain on your machine for development and testing purposes.
* **Testnet Deployment**\
  Launch an appchain using **Ethereum Sepolia** as the settlement layer and **TON** as the native gas token.
* **Mainnet Deployment** *(Coming Soon)*\
  Deploy your appchain using Ethereum mainnet as settlement layer  and **TON** as the native gas token.
* **Tools Integration**

  Integrate tools such as a block explorer, bridge with the deployed chain.