> 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/on-chain-data.md).

# On Chain Data

鏈上資料：查詢地址交易、餘額、交易對手、錢包概況，以及代幣持有分布與資金流。查交易對手時，需要排序或篩選用 v1 counterparty；只要完整清單、講求速度（尤其 Bitcoin）用 v2 counterparty/list。