A white paper only 9 pages long launched an entire cryptocurrency industry.
Here’s how I understand it: Satoshi Nakamoto’s proposal combined proof of work, a chain of blocks, and block rewards, allowing unfamiliar nodes to reach consensus on the same ledger.
Satoshi Nakamoto’s true identity has never been confirmed; the name may refer to one person or a group of people.
$BTC is the native coin in the system Satoshi designed. Currently, 76147.72.