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

# Overview

- [Understanding Personal and Group Currencies](https://docs.aboutcircles.com/overview/how-it-works.md): In Circles, money is generated collectively by many individuals over time rather than by a central authority at specific events.
- [Personal Currencies](https://docs.aboutcircles.com/overview/how-it-works/personal-currency.md)
- [Group Currencies](https://docs.aboutcircles.com/overview/how-it-works/group-currencies.md)
- [Why Build on Circles?](https://docs.aboutcircles.com/overview/why-build-on-circles.md)
- [Circles Architecture](https://docs.aboutcircles.com/overview/circles-architecture.md): An overview of different components of circles architecture.