Final answer:
The Genesis Block of Bitcoin was mined by Satoshi Nakamoto on January 3, 2009.
Explanation:
The Genesis Block of the Bitcoin blockchain, marked as block 0, was mined by Satoshi Nakamoto on January 3, 2009. This block serves as the foundation of the entire Bitcoin network and contains a hidden message in its coinbase parameter: 'The Times 03/Jan/2009 Chancellor on brink of second bailout for banks'.
Learn more about Bitcoin blockchain here:
https://brainly.com/question/33112990
