BCAChain adopts its own optimized POBC (Proof of Goodwill) as the underlying consensus mechanism, while introducing a real-world credit system to provide better operation and support for anonymous blockchain networks. BCAChain focuses on the new retail industry with rich landing scenarios, aiming to create a supply chain traceable, credit quantifiable, data open and transparent, integrating consumer shopping, membership services, precision marketing, centralized procurement and other scenarios, forming an online e-commerce transaction and offline shopping experience, and building a new retail public chain ecosystem with multiple participation and benefits.BCS (Business Credit Substitute), as the only universal token on BCAChain, can not only circulate in the scenario of BCAChain's new retail public chain, but also interact with value throughout the entire ecological community....