MduKey is a blockchain-based self-sovereign data privacy system that provides services such as drainage services and private data transaction matching for small and medium-sized enterprises. Provide users with data hosting, data transaction matching and other services, and the data revenue will be owned by users during the data transaction process. Most of the MduKey team members are from Alibaba, Citibank, Wanxiang Blockchain and other companies, and the members have contributed codes to the top international open source communities (Cosmos/Tendermint) many times.