DigiCash Inc. was an electronic money corporation founded by David Chaum in 1990. DigiCash transactions were unique in that they were anonymous due to a number of cryptographic protocols developed by its founder. DigiCash declared bankruptcy in 1998, and subsequently sold its assets to eCash Technologies, another digital currency company, which was acquired by InfoSpace on Feb. 19, 2002.
- Chaum, David (1983). "Blind signatures for untraceable payments" (PDF). Advances in Cryptology Proceedings of Crypto 82 (3): 199–203.
- Pitta, Julie (1999/11/01). Requiem for a Bright Idea - Forbes
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