A Group-Based Block Storage Model With Block Splitting and Unit Encoding for Consortium Blockchains
IEEE Transactions on Network and Service Management(2023)
摘要
With the continuous development of consortium blockchains, the storage overhead of blocks and storage load of nodes are increasing. The existing storage models consider either low-reliability issues or high storage overhead but not both. This work proposes a storage model that combines group-based block storage with block splitting and unit encoding. The former is used to improve the reliability of a block, while the latter is adopted to reduce the storage overhead and increase the reliability of a block in a consortium blockchain. Based on this model, this work designs a storage method to minimize the storage overhead of blocks and storage load of nodes, and maximize reliability of a consortium blockchain. Experimental results show that the proposed method outperforms Multi-layer Practical Byzantine Fault Tolerance, RapidChain, and Byzantine Fault Tolerance-Store in terms of storage overhead and reliability, thus greatly advancing the field of consortium blockchains.
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关键词
Consortium blockchain,group-based block storage,block,block splitting,unit encoding
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