> For the complete documentation index, see [llms.txt](https://uniport.gitbook.io/uniport-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://uniport.gitbook.io/uniport-doc/interoperability-layer/dual-token-system.md).

# Dual Token System

- [UP](https://uniport.gitbook.io/uniport-doc/interoperability-layer/dual-token-system/up.md)
- [UBTC](https://uniport.gitbook.io/uniport-doc/interoperability-layer/dual-token-system/ubtc.md)