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 (C)</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 (D)</p> Signup and view all the answers

What cryptographic technique securely links blocks in a blockchain?

<p>Hashing (B)</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 (B)</p> Signup and view all the answers

What makes blockchain transactions irreversible?

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

What type of computer network typically manages blockchains?

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

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