Abstract
Blockchain is a new decentralized storage system that combines cryptography, consensus algorithms, distributed storage and other technologies. The full node redundant storage of data on the blockchain provides extremely high security, but while the redundant storage of the blockchain improves the security of the system, it also puts a lot of storage pressure on the nodes. The storage scalability problem of the blockchain has become a shortcoming restricting the development of blockchain technology. Sharded storage is a solution to the scalability of blockchain storage. While the existing sharded storage solution relieves the storage pressure of nodes, it also increases the computing and communication consumption of nodes, and reduces the efficient of blockchain systems. This article proposes a highly efficient fragmented storage model, which classifies blocks according to the frequency and size of the blocks being accessed, and uses different storage schemes for blocks of different classifications, which reduces the storage pressure of the node while controlling the computing and communication consumption of the node.
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Acknowledgement
This work is supported by the Key Research and Development Project of Sichuan Province (No. 2021YFSY0012, No. 2020YFG0307, No. 2021YFG0332), the Key Research and Development Project of Chengdu (No. 2019-YF05-02028-GX), the Innovation Team of Quantum Security Communication of Sichuan Province (No. 17TD0009), the Academic and Technical Leaders Training Funding Support Projects of Sichuan Province (No. 2016120080102643).
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Guo, J. et al. (2022). A High-Efficiency Blockchain Sharded Storage Expansion Model. In: Sun, X., Zhang, X., Xia, Z., Bertino, E. (eds) Advances in Artificial Intelligence and Security. ICAIS 2022. Communications in Computer and Information Science, vol 1588. Springer, Cham. https://doi.org/10.1007/978-3-031-06764-8_15
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