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

# 3.The Blockchain

- [Metamask](https://upbots.gitbook.io/upbots/the-blockchain/metamask.md): Your guide to Metamask
- [MBXN Blockchain Networks](https://upbots.gitbook.io/upbots/the-blockchain/ubxt-blockchain-networks.md): This section is designed to help you understand more about Blockchains and more specifically the Blockchains MBXN is supported on.