Question: Question Four (25 marks: 30 minutes) Explain the underlying principles of the Proof of Work (PoW) and Proof of Stake (PoS) consensus mechanisms in blockchain

Question Four (25 marks: 30 minutes) Explain the underlying principles of the Proof of Work (PoW) and Proof of Stake (PoS) consensus mechanisms in blockchain technology. Critically discuss the advantages, disadvantages, and differences between these two methods, and advise on which alternative can be considered superior.

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