> For the complete documentation index, see [llms.txt](https://docs.zeeve.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zeeve.io/rollups/polygon-cdk-zkrollup/introduction.md).

# Introduction

Polygon CDK is an open-source codebase for launching ZK-powered Layer 2 chains for Ethereum on demand. Users can build their Layer 2 AppChain with Zeeve to save on costs and time to market.
