> For the complete documentation index, see [llms.txt](https://diary.duckchain.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://diary.duckchain.io/3.-duckchain-architecture.md).

# 3. DuckChain Architecture

- [3.1 Overview](https://diary.duckchain.io/3.-duckchain-architecture/3.1-overview.md)
- [3.2 Framework](https://diary.duckchain.io/3.-duckchain-architecture/3.2-framework.md)
- [3.3 Pool Infrastructure](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure.md)
- [Decentralized Oracle Layer (DOL)](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure/decentralized-oracle-layer-dol.md)
- [Decentralized Asset Verify Layer](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure/decentralized-asset-verify-layer.md)
- [Unified Gas System](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure/unified-gas-system.md)
- [Cross-Chain Interoperability](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure/cross-chain-interoperability.md)
- [DuckChain Execution Layer](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure/duckchain-execution-layer.md)
- [Driving Value with Pool Infrastructure](https://diary.duckchain.io/3.-duckchain-architecture/3.3-pool-infrastructure/driving-value-with-pool-infrastructure.md)
- [3.4 DuckChain’s Interoperability](https://diary.duckchain.io/3.-duckchain-architecture/3.4-duckchains-interoperability.md)
- [3.5 Safety](https://diary.duckchain.io/3.-duckchain-architecture/3.5-safety.md)