> For the complete documentation index, see [llms.txt](https://bluwhale.gitbook.io/bluwhaleai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts.md).

# Core Concepts

- [Architecture Overview](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts/architecture-overview.md)
- [Consensus and Finality](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts/consensus-and-finality.md)
- [Accounts and Addresses](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts/accounts-and-addresses.md)
- [Gas and Fees](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts/gas-and-fees.md)
- [Native Token (BLUAI)](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts/native-token-bluai.md)
- [EVM Compatibility](https://bluwhale.gitbook.io/bluwhaleai/oceanum-oxn/core-concepts/evm-compatibility.md)