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

# Atsign Platform

- [Atsign Platform Overview](https://docs.atsign.com/atsign-platform/core.md): An overview of Atsign's core pillars of technology
- [Frequently Asked Questions](https://docs.atsign.com/atsign-platform/core/frequently-asked-questions.md)
- [Atsign](https://docs.atsign.com/atsign-platform/atsign.md): A unique identifier which serves as the address of the atServer
- [atKeys](https://docs.atsign.com/atsign-platform/atkeys.md): The file that contains the set of cryptographic keys belonging to an Atsign.
- [atRecord](https://docs.atsign.com/atsign-platform/atrecord.md): The format atServers use to store and share data.
- [Infrastructure](https://docs.atsign.com/atsign-platform/infrastructure.md): How we scale and provide resilience.