# Supply Users can supply their assets to Mystic and earn interest on them over time, as they contribute to the protocol’s liquidity. Here’s how to supply on Mystic: * Head over to "Earn" tab of the "Vaults" page. It is the first page you see when you open the app. There, you will see several vaults curated by professional risk managers in DeFi. * Choose one of the vaults you are interested in supplying to. In the vault page, Click “supply” and enter your preferred amount. You will see the interest rate you will be earning on a yearly basis. * After supplying, you will receive in your wallet a token that represents your position in the pool and accrues the corresponding interest, dubbed "receipt tokens". * You can, at any moment, withdraw your assets and the accrued interest from the pool (as long as there is sufficient unborrowed liquidity). Your receipt tokens are burned when you do, which triggers the corresponding amount plus interest to be sent to your wallet. An important thing to note is that the interest rate you’re earning over time is not fixed, rather it depends on the utilization rate of the pool (how much of the supplied liquidity has been borrowed). When utilization is low, APR decreases. When utilization is high, APR increases. Also, do not confuse supplying assets to earn yield (i.e. on the vault page) with supplying collateral so you can borrow (i.e. on the market page). To earn yield, you must supply the vault's borrow asset on the vault's page (e.g. pUSD, ETH, wPLUME), which has the title of the vault (e.g. "Mystic MEV Capital pUSD"). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.mysticfinance.xyz/user-guide/supply.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.