# 2.0 Project structure and ecosystem

- [2.1 Platform Main Functions Development](/bbc/2.0-project-structure-and-ecosystem/2.1-platform-main-functions-development.md)
- [2.2 Technical Architecture and Security](/bbc/2.0-project-structure-and-ecosystem/2.2-technical-architecture-and-security.md)
- [2.3 Ecosystem composition](/bbc/2.0-project-structure-and-ecosystem/2.3-ecosystem-composition.md)