Blockchain Fundamentals Quiz
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Questions and Answers

What type of data structure can be compared to the structure of a blockchain?

  • Linked list (correct)
  • Array
  • Binary tree
  • Queue

    • What makes blockchain transactions irreversible?

  • Timestamp inclusion
  • Consensus algorithm protocol
  • Peer-to-peer network management
  • Use of cryptographic hashes (correct)

    • What type of network typically manages blockchains?

  • Client-server network
  • Peer-to-peer network (correct)
  • Mesh network
  • Centralized network

    • What kind of data structure is generally used to represent transaction data within a block?

    <p>Merkle tree</p> Signup and view all the answers

    What is required to alter the data in a specific block of a blockchain retroactively?

    <p>Altering all subsequent blocks</p> Signup and view all the answers

    What cryptographic technique securely links blocks in a blockchain?

    <p>Hashing</p> Signup and view all the answers

    What type of data structure is generally used to represent transaction data within a block in a blockchain?

    <p>Binary tree</p> Signup and view all the answers

    What makes blockchain transactions irreversible?

    <p>Decentralized consensus mechanism</p> Signup and view all the answers

    What is the purpose of a timestamp in each block of a blockchain?

    <p>To prevent data tampering</p> Signup and view all the answers

    What type of computer network typically manages blockchains?

    <p>Distributed network</p> Signup and view all the answers

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