> 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/origins/faq/what-is-kaisar.md).

# What is Kaisar?

Kaisar is a Decentralized Physical Infrastructure Network (DePIN) optimized for decentralized computing and AI. It aggregates spare GPU resources using AI and blockchain, offering scalable, secure, and cost-efficient cloud computing services.