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

# Shield perpetual options

- [Basics](https://docs.shieldex.io/product/what-is-shield.md)
- [Mechanism](https://docs.shieldex.io/product/how-does-shield-work.md)
