Answer: Bent Finance is a decentralized finance (DeFi) protocol that provides users with a platform to trade and stake cryptocurrencies. Pitch is a DeFi protocol that allows users to borrow, lend and trade digital assets. StakeDAO is a DeFi platform that enables users to securely stake their digital assets and earn rewards from them. With these three protocols, users can take advantage of the DeFi space by trading, staking, and borrowing digital assets and earning rewards from them.