Yes, you can swap yCRV for CRV (or USDC or whatever you want) through the quick swap page on Curve. The quick swap page on Curve allows you to quickly and easily swap between different tokens without having to go through a lengthy exchange process. All you have to do is select the token you want to swap to, enter the amount you would like to swap, and click "Swap". Curve will then take care of the rest for you, automatically swapping your tokens and delivering the new ones to your wallet. This makes it easy and convenient to swap between tokens without having to worry about the complicated exchange process.