# Advanced

- [#20 Network analysis](/advanced/ch20-network-analysis.md)
- [#21 BTC analysis](/advanced/ch21-btc-analysis.md)
- [#22 How to build Spellbook](/advanced/ch22-how-to-build-spellbook.md)
- [#23 How to build app use dune api](/advanced/ch23-how-to-build-app-use-dune-api.md)