> For the complete documentation index, see [llms.txt](https://docs.zenprotocol.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zenprotocol.com/apps/headless/addressdb.md).

# AddressDB

The AddressDB is a component of the Zen Protocol node, it connects to the node service bus to store the blockchain data so that it can be retrieved faster . The addressDB can be used by everyone who downloads the node installer. It is used to monitor all UTXOs and blockchain contract executions. It can retrieve informations like balance, outputs, transactions, contract history, and a lot more. <br>

A list of the addressDB API's can be found here :&#x20;

{% content-ref url="/pages/-MRbDz5oIcA3GJ7NFPC9" %}
[AddressDB](/apps/headless/api/addressdb.md)
{% endcontent-ref %}


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