This article provides an in-depth analysis of Bitlayer and its role in the Bitcoin Layer 2 ecosystem. Bitlayer utilizes layered virtual machine technology and zero-knowledge proofs to solve core issues such as trust, security and Turing completeness. The article also introduces multiple native projects in the Bitlayer ecosystem, such as Pumpad, Macaron, Cat Driving Bitcoin ($CBD), TrustIn Finance and Nekoswap, and discusses their status and potential in the Bitlayer ecosystem. Furthermore, it mentions Bitlayer's ecosystem incentive plan and its advantages in the Layer2 competition.