> For the complete documentation index, see [llms.txt](https://docs.blockchainsecurity.asia/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockchainsecurity.asia/api-reference/readme/investigation.md).

# Investigation

調查追蹤：沿資金流向逐跳追蹤，並透過 Bitcoin 找零偵測還原更接近真實的收付關係。