# Set up Den

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