Basel.Concordat (BAS for short) is an integrated digital asset financial protocol based on the blockchain system. Its business system includes the decentralized stable currency system protocol created on ETH, as well as the lending and trading system protocol. Tokenization protocol composition. The financial protocol solutions proposed by BAS, including DeFi technology, aim to provide users around the world with safe, inclusive, innovative and transparent integrated digital asset financial services. With years of financial technology research and development, BAS breaks the limitations of the traditional financial system, creates a global financial autonomous community, an inclusive financial network shared by everyone, and helps users realize convenient, efficient and low-cost decentralized financial services in the true sense.