# Cash in and out of Goldfinch

As a Borrower (or Lead Backer) you will directly interact with the protocol by withdrawing and depositing USDC (a US dollar-backed stablecoin) into the protocol using your [Metamask](https://metamask.io/) wallet. Below is a diagram that explains your interaction with the protocol:&#x20;

![](https://1471178566-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MlGaVCGIXm8i0k0uhfS%2Fuploads%2FU3lj0YFvruyYx0PyMHgN%2Fcashin1.png?alt=media\&token=0cfc539c-b27e-4a7c-9990-587cb256c367)

Read on for a list of third-party service providers to help facilitate your movement from crypto to fiat and vice versa.&#x20;