Bibliography for some Network Payment Mechanisms and Digital Cash. (originally based on a list from the Cypherpunks mailing list) --This is far from being a complete (or even half-complete) list yet.

Papers

Three papers describe an anonymous credit card system for paying for goods and services while preserving the anonymity of the various parties.

Chaum, D., Showing credentials without identification: transferring signatures between unconditionally unlinkable pseudonyms. (Springer-Verlag, Berlin, West Germany, p. 246-64, 1990)(Conference: Advances in Cryptology-AUSCRYPT '90 International Conference on Cryptology. Proceedings, Sydney, NSW, Australia, 8-11 Jan. 1990)

Chaum, D. den Boer, B. van Heyst, E. Mjolsnes, S. Steenbeek, A., Efficient offline electronic checks. (Springer-Verlag, Berlin, Germany, p. 294-301, 1990)(Conference: Advances in Cryptology - EUROCRYPT '89. Workshop on the Theory and Application of Cryptographic Techniques Proceedings, Houthalen, Belgium, 10-13 April 1989)

Chaum, D., Online cash checks. (Springer-Verlag, Berlin, Germany, p. 288-93, 1990)(Conference: Advances in Cryptology - EUROCRYPT '89. Workshop on the Theory and Application of Cryptographic Techniques Proceedings, Houthalen, Belgium, 10-13 April 1989)

Chaum, David, Security without Identification: Transaction Systems to make Big
Brother Obsolete; Communications of the ACM 28/10 (1985) 1030-1044.

Chaum, D. Fiat, A. Naor, M., Untraceable electronic cash. (Springer-Verlag, Berlin, West Germany, p. 319-27, 1990)(Conference: Advances in Cryptology - CRYPTO '88. Proceedings, Santa Barbara, CA, USA, 21-25 Aug. 1988)

Okamoto, T. Ohta, K., Disposable zero-knowledge authentications and their applications to untraceable electronic cash. (Springer-Verlag, Berlin, West Germany, p. 481-96, 1990)(Conference: Advances in Cryptology - CRYPTO '89. Proceedings, Santa Barbara, CA, USA, 20-24 Aug. 1989)

Even, S., Secure off-line electronic fund transfer between nontrusting parties. (North-Holland, Amsterdam, Netherlands, p. 57-66, 1989)(Conference: Smart Card 2000: The Future of IC Cards. Proceedings of the IFIP WG 11.6 International Conference, Laxenburg, Austria, 19-20 Oct. 1987)

Tunstall, J.S., Electronic currency. (North-Holland, Amsterdam, Netherlands, p. 47-8, 1989)(Conference: Smart Card 2000: The Future of IC Cards. Proceedings of the IFIP WG 11.6 International Conference, Laxenburg, Austria, 19-20 Oct. 1987)

Hayes, Barry, Anonymous One-Time Signatures and Flexible Untracable Electronic
Cash, in AusCrypt '90: A Workshop on Cryptology, Secure Communication and Computer Security, January, 1990.

U. S. Patents

W. M. Benton, Funds Transfer System using Optically Coupled, Portable Modules,
US Pat. #4,454,414, Jun 12, 1984.

W. G. Bouricius and P. E. Stuckert, Method and Apparatus for Secure Message Transmission for Use in Electronic Funds Transfer Systems, US Pat. #4,302,810,
Nov. 24, 1981.

D. Chaum, "Cryptographic Identification, Financial Transaction, and Credential
Device," US Pat #4,529,870, Jul. 16, 1985.

W. S. Powell, "Information Communicating Apparatus and Method," US Pat. #4,320,387, Mar. 16, 1982.

P. E. Stuckert, "Personal Portable Terminal for Financial Transactions," US Pat. #4,277,837, Jul. 7, 1981.

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