> For the complete documentation index, see [llms.txt](https://awakenswap.gitbook.io/jiao-yi-zhe-faq/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awakenswap.gitbook.io/jiao-yi-zhe-faq/9.-shen-me-shi-dui-huan-jiao-yi.md).

# 9. 什么是兑换交易？