# How To Deposit $pumpBTC To Synfutures Vault
If users want to use $pumpBTC as Collateral on Synfutures, they must ensure that they hold $pumpBTC on the Base chain. To learn how to get $pumpBTC on the Base chain, you can refer to this tutorial.
{% content-ref url="how-to-mint-usdpumpbtc-on-base" %}
[how-to-mint-usdpumpbtc-on-base](https://pumpbtc.gitbook.io/pumpbtc/step-by-step-guides/how-to-mint-usdpumpbtc-on-base)
{% endcontent-ref %}
Today, I will show you how to use PumpBTC as Collateral on Synfutures.
**Step1:** Open the [URL](https://oyster.synfutures.com/#/vault/base/), click the **‘Connect Wallet’** button to link your wallet, and make sure the network is set to Base Mainnet.
**Step2:** Scorll down this page, find the $pumpBTC Vault and then click the **‘Deposit’** button.
**Step3:** Enter the amount you want to deposit, click the **‘Approve pumpBTC to continue’** button, and complete the $pumpBTC approval transaction in your wallet.
**Step4:** After completing the approval transaction, click the **‘Deposit’** button on the page, and complete the $pumpBTC deposit transaction in your wallet.
**Step 5:** When the following prompt appears on your page, it means that the deposit has been successful. At the same time, you can see your position on the page.
