JUICE Finance is a Cross-Margin DeFi application developed on the Blast ecosystem's Layer 2 infrastructure, offering lending services with up to 3x leverage, utilizing rebasing tokens like native ETH, WETH, and USDB. It aims to facilitate yield and point farming activities through features such as lending and borrowing with leverage, and integrating with various DApps. The platform includes lending options with APY, borrowing capabilities for increased leverage, and farming vaults that connect with DeFi protocols to earn yields.