What is a genesis block?
A. None of the above
B. The last block in a blockchain
C. The recently mined block in a blockchain
D. The first block in a blockchain
Answer:D
What is a genesis block?
A. None of the above B. The last block in a blockchain C. The recently mined block in a blockchain D. The first block in a blockchain
Explanation: A genesis block is the first block in a blockchain. The genesis block in Bitcoin was mined in 2009 and the genesis block in Ethereum was mined in 2015.