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

# Glossary of Terms

* **End-Users:** Customers who rent GPU resources.
* **Providers:** Entities that supply GPU resources.
* **PEAQ Blockchain:** The decentralized ledger that records transactions and ensures security.
* **Kaisar Checkers (Nodes):** Nodes that verify the performance and availability of resources.
* **Proof of Physical Work (PoPW):** Proof provided by Providers after executing tasks.
* **GPU:** Graphics Processing Unit, used for high-performance computing tasks.
* **Container:** Virtualized environment that handles specific computational tasks.
* **Cluster:** A group of interconnected containers.
* **VPN:** Virtual Private Network, providing secure communication.
* **KAI Token:** The native utility token of the Kaisar ecosystem used for transactions, rewards, and governance.