Professional Ethics & Credit Chain (SVC for short) is a global talent data chain initiated by the Small and Medium Enterprise Business Alliance Association in the United States, Japan, the United Kingdom, Russia, Singapore and other countries, and started planning and construction in 2018 chain system. Learn from the distributed storage concept of IPFS, through the design of smart contracts, record and save all the talent data information and content that join the SVC talent data chain, including the professional credit and ability evaluation system of various talents, etc., which are all encrypted and stored on the chain way to ensure the openness, transparency and immutability of the entire process. At the same time, it is a system based on distributed storage consensus technology and focuses on data recording and storage certification related to talent management. It is committed to realizing the transparent problem solving and commercial development of the talent credit system. Technically, SVC is a talent professional credit block network based on distributed storage technology. It will be dedicated to government affairs and business applications in the environment of 5G mobile technology take-off, and will actively serve small and medium-sized enterprises around the world. Uniquely create a professional credit and ability evaluation system that desensitizes and protects personal privacy information in the data field.