Which blockchain consensus mechanism uses staking?
a) Proof of Work (PoW)
b) Proof of Stake (PoS)
c) Delegated Proof of Work (DPoW)
d) Proof of Burn
Answer:
b) Proof of Stake (PoS)
Explanation:
Proof of Stake (PoS) is a consensus mechanism where participants “stake” their coins to validate transactions, in contrast to the energy-intensive Proof of Work (PoW).