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Consensus: What is Proof of History? (PoH)

Question 1:


What is the main goal of Proof of History (PoH) in blockchain systems?

A. To reduce the number of validators


B. To create a verifiable sequence of transactions using a cryptographic clock


C. To use energy-intensive mining for transaction validation

Question 2:


How does PoH handle transaction ordering?

A. By using a cryptographic clock and Verifiable Delay Functions (VDF)


B. By solving mathematical puzzles


C. By selecting a leader based on the number of coins staked

Question 3:


What is the role of the Verifiable Delay Function (VDF) in PoH?

A. It generates random numbers for leader selection


B. It ensures a predictable amount of time to complete, preventing manipulation of time progression


C. It selects the next block leader

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