> For the complete documentation index, see [llms.txt](https://docs.singularityfinance.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.singularityfinance.ai/sfi-l2/l2-architecture.md).

# L2 Architecture

- [Operational Model: Optimistic Rollups](https://docs.singularityfinance.ai/sfi-l2/l2-architecture/operational-model-optimistic-rollups.md)
- [Data](https://docs.singularityfinance.ai/sfi-l2/l2-architecture/data.md)
- [Sequencer](https://docs.singularityfinance.ai/sfi-l2/l2-architecture/sequencer.md)