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A blockchain, originally block chain, is a growing list of records, called blocks, that are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data. By design, a blockchain is resistant to modification of the data.
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Blockchain - Wikipedia
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Bitcoin - Wikipedia
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2019年10月30日特别节目文贵和sara、路德、江财神在喜马拉雅大使馆谈区块链