A Trusted Energy Data Sharing System Based on Blockchain

Sharing the statistic results of energy data on the blockchain has huge practical significance. However, the ability to store and analysis large data set is limited by the throughput of the blockchain. Introducing a data center as a third party to do the statistical task brings new issues of trust. In this paper, we put forward three different solutions to guarantee on-chain statistic availability, according to different scenarios. All our solution has on-chain time complexity sublinear to the number of pieces of data, which supports large size data set. Data availability are guaranteed by cryptographic techniques with high security level.