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WiMi Hologram Cloud Inc. has developed an IIoT data storage system based on Local Reconstruction Codes (LRC) sharding blockchain. This system combines distributed storage technology with blockchain to achieve efficient, secure and reliable IIoT data storage and management. It consists of a global/centralized network and an edge network, with the former providing the highest resource capacity and the latter connecting blockchains. The system structure is further improved by adding LRC to solve the IIoT data reliability problem and a bilinear accumulator to solve the blockchain’s data storage and verification security problem.