> For the complete documentation index, see [llms.txt](https://docs.altitude.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.altitude.fi/general/protocol-overview/how-do-users-interact-with-a-vault.md).

# How do users interact with a vault?

Using Altitude follows a simple flow: deposit your collateral (cbBTC or wstETH), borrow USDC against it, and let your collateral earn yield that automatically pays down your loan. When you're ready, repay any remaining balance and withdraw your collateral. In this section you'll find details on each action.