📊 Figure｜Hal Finney
· Definition: Hal Finney was an American cryptographic programmer who worked on developing PGP encryption software early in his career.
· Why it matters: Hal Finney’s story shows that Bitcoin didn’t appear out of nowhere: the cryptography community had been experimenting with electronic cash for years.
· Note: When learning about Bitcoin’s history, prioritize original emails and posts, and be skeptical of anecdotes circulating online.
$BTC 81508.32（-1.01%）
· Definition: Hal Finney was an American cryptographic programmer who worked on developing PGP encryption software early in his career.
· Why it matters: Hal Finney’s story shows that Bitcoin didn’t appear out of nowhere: the cryptography community had been experimenting with electronic cash for years.
· Note: When learning about Bitcoin’s history, prioritize original emails and posts, and be skeptical of anecdotes circulating online.
$BTC 81508.32（-1.01%）