> 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="https://2242262848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F9WzMOfc1NXxJCx92wSed%2Fuploads%2F2rw5pTDBFcWDPjzuFsoh%2Funknown.png?alt=media&amp;token=e5ba026d-089f-4854-a2d8-19182b287e83" alt=""><figcaption></figcaption></figure>

<figure><img src="https://2242262848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F9WzMOfc1NXxJCx92wSed%2Fuploads%2FqyjcYMEa4aB09TDnInhC%2Funknown.png?alt=media&amp;token=70dd51d9-1781-4d44-b655-a8bb4c8b588b" 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