After the craze for inscriptions last year, the BTC ecosystem fell silent for a period of time. Recently, the Bitcoin staking protocol Babylon (@ babylonlabs_io) has begun to attract market attention and has opened up airdrop registration. The importance of Babylon for the development of BTC lies in its potential contribution to the BTC ecosystem. The BTC chain is facing potential issues of insufficient security costs and needs to build a BTC ecosystem to address them. The Babylon model has the opportunity to promote the development of the BTC ecosystem. There are two main reasons: firstly, Babylon's staking users can self host and do not need to trust third parties, which is important for BTC participants to not worry about being misappropriated; Secondly, based on this foundation, BTC stakers can participate in ecological projects such as L2 and DeFi, which is conducive to the formation of BTC ecological growth.