What is the purpose of a consensus mechanism in blockchain?
a) To validate transactions and ensure agreement on the state of the blockchain
b) To manage cryptocurrency wallets
c) To provide an exchange for trading cryptocurrencies
d) To create private keys
Answer:
a) To validate transactions and ensure agreement on the state of the blockchain
Explanation:
A consensus mechanism ensures that all participants in a blockchain network agree on the state of the blockchain and validate transactions properly.