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Pre-Bitcoin · 1990s

DigiCash and eCash

DigiCash commercialized Chaumian digital cash, proving that cryptographic money could work technically even though the company itself did not become a lasting monetary network.

Why it matters

Bitcoin inherited the goal of native digital cash while removing the need for a central mint.

Key ideas

Primary and technical sources

DigiCash / ecash historyDavid ChaumBlind Signatures for Untraceable PaymentsDavid Chaum

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