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

# Set up Den

- [Sign In With Ethereum](https://docs.onchainden.com/set-up-den/sign-in-with-ethereum.md): A modern sign in experience for an onchain world
- [Using Existing Safes](https://docs.onchainden.com/set-up-den/using-existing-safes.md): Den automatically fetches any existing Safes
- [Creating and Managing Safes](https://docs.onchainden.com/set-up-den/creating-and-managing-safes.md): Den lets you create new Safes, modify Safe owners, and update the threshold