# Page Not Found

The URL `what-is-self-custodial-data` does not exist.

You might be looking for one of these pages:
- [What is self-custodial data?](https://docs.idos.network/overview/what-is-self-custodial-data.md)
- [Biometrics & idOS FaceSign (Beta)](https://docs.idos.network/how-it-works/biometrics-and-idos-facesign-beta.md)
- [Data ingestion](https://docs.idos.network/compliance/kyc-re-usability/data-ingestion.md)
- [Data flows](https://docs.idos.network/how-it-works/key-flows/data-flows.md)
- [Security](https://docs.idos.network/how-it-works/security.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.idos.network/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.idos.network/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/overview/what-is-self-custodial-data.md`)
- Use `Accept: text/markdown` header for content negotiation