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

# Smart Contracts

Blockhead utilizes two primary smart contracts to manage its payment processing system: