> 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/zksync-hyperchain/introduction.md).

# Introduction

Hyperchains, offered by zkSync are hyper-scalable, interoperable, custom, and fully sovereign zk-chains running on the top of Layer-1 or Layer-2 networks while being connected, able to get security and finality from the main chain (L1).