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DATA SECURITY OF SHARED BLOCKCHAIN DATA STORAGE BASED ON ERROR CORRECTION CODE
DATA SECURITY OF SHARED BLOCKCHAIN DATA STORAGE BASED ON ERROR CORRECTION CODE
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机译:基于纠错码的共享区块链数据存储的数据安全
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摘要
Disclosed herein are methods, systems, and computer-readable media for storing blockchain data. Exemplary methods includes receiving a request from a blockchain node requesting removal from a blockchain network; identifying a plurality of blocks associated with blockchain data stored by the blockchain node; determining: a first difference between a number of remaining blockchain nodes excluding the blockchain node requesting removal and a maximum number of tolerable faulty blockchain nodes, a second difference between the number of remaining blockchain nodes storing a dataset of information bits or redundant bits divided from an ECC-encoded version of the block and the number of remaining blockchain nodes storing a dataset of redundant bits divided from the ECC-encoded version of the block, and smaller of the first and second difference; and retrieving blockchain data associated with the block from the blockchain node in response to determining that the first difference is less than the second difference.
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