Bitcoin is the first of many digital currencies that utilise blockchain technology.
First described by Satoshi Nakamoto in his whitepaper “A Peer-to-Peer Electronic Cash System” in 2008, Bitcoin allows the transfer of digital value among participants who do not know one another without the assistance of a central intermediary.
Useful resources to understand more about Bitcoin and Bitcoin mining include:
What is Bitcoin?
author of “The Internet of Money”
How Bitcoin Works Under the Hood