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      Question

      What is a "51% attack" in the context of blockchain?

      A An attack where hackers gain access to 51% of the total supply of a cryptocurrency Correct Answer Incorrect Answer
      B A security breach that allows unauthorized access to a blockchain network Correct Answer Incorrect Answer
      C An attack where a single entity controls the majority of the mining power in a blockchain network Correct Answer Incorrect Answer
      D An attack where the blockchain protocol is upgraded to support new features Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      An attack where a single entity controls the majority of the mining power in a blockchain network

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