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

# CDK Repos

| [CDK validium node](https://github.com/0xPolygon/cdk-validium-node)               | Node implementation for the CDK networks in Validium mode            |
| --------------------------------------------------------------------------------- | -------------------------------------------------------------------- |
| [CDK validium contracts](https://github.com/0xPolygon/cdk-validium-contracts)     | Smart contracts implementation for the CDK networks in Validium mode |
| [CDK data availability layer](https://github.com/0xPolygon/cdk-data-availability) | Data availability nodes implementation for the CDK networks          |
| [Prover/Executor](https://github.com/0xPolygonHermez/zkevm-prover)                | zkEVM engine and prover implementation                               |
| [Bridge service](https://github.com/0xPolygonHermez/zkevm-bridge-service)         | Bridge service implementation for CDK networks                       |
| [Bridge UI](https://github.com/0xPolygonHermez/zkevm-bridge-ui)                   | UI for the CDK networks bridge                                       |