> For the complete documentation index, see [llms.txt](https://wiki.immu3.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.immu3.io/immu3-appchain.md).

# Immu3 AppChain

- [Intro to AppChain](https://wiki.immu3.io/immu3-appchain/intro-to-appchain.md): A public EVM smart contract platform that offers reliability, scalability and security needed within use cases of on-chain communication.
- [Adding MetaMask](https://wiki.immu3.io/immu3-appchain/adding-metamask.md): This user guide will help you connect MetaMask to the Immu3 AppChain.