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    Question

    What does a "hash" represent in the context of

    blockchain?
    A The unique identifier of a block in the blockchain Correct Answer Incorrect Answer
    B The private key of a user in the network Correct Answer Incorrect Answer
    C The public key of a user in the network Correct Answer Incorrect Answer
    D The amount of cryptocurrency associated with a transaction Correct Answer Incorrect Answer
    E All of these Correct Answer Incorrect Answer

    Solution

    The unique identifier of a block in the blockchain

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