👨💻 Hashcash: A Glimpse Into Bitcoin's Future | March 28, 1997
Before #Bitcoin, there was #Hashcash. On this day, Adam Back introduced the world to a proof-of-work system designed to fight email spam — never knowing it would later form the backbone of Bitcoin #mining. Thank you, Adam!
🗃️: https://cypherpunks.venona.com/date/1997/03/msg00774.html