🗒️ Person | Hal Finney
· Definition: Hal Finney was an American cryptography developer who participated in the development of PGP encryption software.
· Principle: Hal Finney’s experience shows that Bitcoin did not appear out of nowhere: before Bitcoin, the cryptography community had spent many years exploring electronic cash.
· Reminder: When reading crypto history, prioritize original emails and posts; don’t believe stories circulating online.
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