This article provides an in-depth analysis of Delphi’s investment logic in Ethena, revealing Ethena’s innovations in the stablecoin field and the potential risks it faces. The article explores Ethena’s design philosophy in detail, including how it generates revenue by combining ETH staking and perpetual contract funding rates, as well as its trade-offs in stability, scalability, and decentralization. In addition, the article also discusses Ethena's profit model and prospects for the future stablecoin market, providing readers with a comprehensive understanding of this emerging stablecoin project.