Happy #Bitcoin Whitepaper Day! (October 31) 🎉🎉🎉 On this day in 2008, #Satoshi Nakamoto released the Bitcoin white paper to the cryptography mailing list, marking its official introduction into the world. Satoshi introduced Bitcoin as an electronic cash system with several important properties: double-spending prevention, no trusted parties, anonymous participation, and Hashcash style Proof-of-Work.