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Consensus: What is Proof of Work (PoW) and what is Proof of Stake (PoS)?

Question 1:


What is the main difference between Proof of Work (PoW) and Proof of Stake (PoS)?

A. PoW is more energy-efficient than PoS


B. PoW requires mining, while PoS requires staking coins


C. PoW uses staking, while PoS uses mining

Question 2:


What is one of the main concerns about Proof of Work?

A. It leads to network centralization


B. It is energy-intensive and environmentally harmful


C. It requires users to hold large amounts of cryptocurrency

Question 3:


What does Proof of Stake (PoS) rely on for validating transactions?

A. Solving mathematical puzzles


B. Mining power


C. The number of coins a user holds and is willing to stake

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