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

# Reference

- [Polygon CDK](https://docs.concha.network/reference/polygon-cdk.md)
- [Celestia](https://docs.concha.network/reference/celestia.md): Celestia is a modular data availability (DA) network that securely scales with the number of users, making it easy for anyone to launch their own blockchain.
- [ERC-4337:  Account Abstraction](https://docs.concha.network/reference/erc-4337-account-abstraction.md): An account abstraction proposal which completely avoids the need for consensus-layer protocol changes