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

# Decentralized Finance

- [Simple Swap Protocol Contract](https://move-developers-dao.gitbook.io/aptos-move-by-example/decentralized-finance/simple-swap-protocol-contract.md)
- [Code of Swapping Protocol](https://move-developers-dao.gitbook.io/aptos-move-by-example/decentralized-finance/code-of-swapping-protocol.md)