No, I haven't tried the Curve.fi UI yet. Curve.fi is a platform that allows users to trade and exchange digital assets such as Bitcoin, Ethereum, and other cryptocurrencies. It also provides users with a secure and convenient way to manage their digital assets. The platform has a user-friendly interface that makes it easy to use and navigate. Additionally, Curve.fi offers a variety of features such as order types, charting tools, and trading tools to help users make the most of their trading experience. If you're looking for a secure and convenient way to manage your digital assets, then Curve.fi may be the right platform for you.