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SYSTEM AND METHOD FOR PROVIDING PRIVACY AND SECURITY PROTECTION IN BLOCKCHAIN-BASED PRIVATE TRANSACTIONS
SYSTEM AND METHOD FOR PROVIDING PRIVACY AND SECURITY PROTECTION IN BLOCKCHAIN-BASED PRIVATE TRANSACTIONS
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机译：在基于区块链的私人交易中提供隐私和安全保护的系统和方法
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摘要
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for implementing blockchain-based private transactions are provided. One of the methods includes transmitting, at a first blockchain node of a number (N) of blockchain nodes that are involved in a private transaction, the private transaction to each of a plurality of second blockchain nodes of the N blockchain nodes, wherein N is at least four, at least (N−F) signatures certifying the private transaction respectively from at least (N−F) blockchain nodes of the first and second blockchain nodes, wherein F is a largest integer no more than (N−1)/2; and submitting, at the first blockchain node, a hash value of the private transaction in association with the at least (N−F) signatures to one or more blockchain nodes of a public blockchain for adding into the public blockchain.
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