Bitcoin-based decentralized finance (BTCFi) products are expanding, with projects like Babylon and Fractal Bitcoin pushing the boundaries of BTCFi.Babylon introduces Bitcoin-native staking, leveraging Bitcoin's programmability to create advanced financial applications.Babylon has attracted several projects, including StakeStone and Uniport, to bring liquidity into its ecosystem.Chakra, a restaking protocol based on zero-knowledge proofs, will also utilize Babylon.