Question-1: a. What is consensus in the distributed blockchain and why it is the most important element of the blockchain. b. Discuss any five consensus algorithms employed in various blockchains. c....

Question-1:

a. What is consensus in the distributed blockchain and why it is the most important element of the blockchain.

b. Discuss any five consensus algorithms employed in various blockchains.

c. Select the most appropriate consensus algorithm by providing some suitable reasons for it.