> For the complete documentation index, see [llms.txt](https://worldxc.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://worldxc.gitbook.io/docs/trust-hub/proof-of-custody.md).

# Proof of Custody

#### Purpose

Custody proof shows how assets are held and controlled.

<figure><img src="/files/aZoiNkJUatixNrZsUjv3" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/1RBTGJHZrj1tgudOteVQ" alt=""><figcaption></figcaption></figure>

#### Custody Change Logging

Any material custody architecture changes must:

* Be reflected in Trust Hub
* Have an effective date
* Include a changelog entry