Question: Question 2 7 2 pts Between proof - of - stake ( POS ) and proof - of - work ( POW ) mechanisms, is

Question 27
2 pts
Between proof-of-stake (POS) and proof-of-work (POW) mechanisms,
is more environmentally friendly based on energy consumption. Bitcoin uses q, mechanism.
A. POS, POS
B. POS, POW
C. POW, POS
D. POW, POW
Question 27 2 pts Between proof-of-stake (POS) and proof-of-work (POW) mechanisms,

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