All blocks link to the previous block except for the ____ block.
A. Second
B. First
C. Last
D. None of the above
Answer:B
All blocks link to the previous block except for the ____ block.
A. Second B. First C. Last D. None of the above
Explanation: The genesis block does not have a link to the previous block since there is no previous block to it. It is the block that starts the blockchain and all other blocks use it as the root of trust.