1. This incentive problem occurs in many other situations in enforcing laws, e.g., the Olympic Park bombing, and ATM
fraud in the United Kingdom.
2. Of course, this works both ways; there's no doubt a market, albeit a small one, for a couple of KKK
serials involving the touching story of a loveable bunch of goons burning crosses in the yards of
people with the wrong skin color. Freedom of speech cuts both ways.
R. Anderson (editor), 1996a. Information hiding: first international workshop, Cambridge, U.K., May 30-June 1, 1996:
proceedings. Berlin; New York: Springer-Verlag.
R. Anderson, 1996b. "The Eternity Service," In: Pragocrypt '96, part 1. Prague: CTU (Czech Technical University)
Publishing House, pp. 242-252, and at http://www.cl.cam.ac.uk/users/rja14/eternity/eternity.html
M. Bellare, J.A. Garay, R. Hauser, A. Herzberg, H, Krawczyk, M. Steiner, G. Tsudik, and M. Waidner, 1995. "iKP - A
Family of Secure Electronic Payment Protocols," In: Proceedings of the First USENIX Workshop of [i.e. on] Electronic
Commerce, July 11-12, 1995, New York, New York, USA. Berkeley, Calif.: USENIX Association, pp. 89-106.
D. Boneh and J. Shaw, 1995. "Collusion-Secure Fingerprinting for Digital Data," In: D. Coppersmith (editor), Advances in
cryptology, CRYPTO '95: 15th annual international cryptology conference, Santa Barbara, California, USA, August,
1995: proceedings. Berlin; New York: Springer-Verlag, pp. 452-465.
S. Brands, 1994. "Untraceable Off-line Cash in Wallets with Observers," In: D. R. Stinson (editor), Advances in
cryptology, CRYPTO '93: 13th annual international cryptology conference, Santa Barbara, California, USA, August
22-26, 1993: proceedings. Berlin; New York: Springer-Verlag, pp. 302-318.
S. Brands, 1993. "An Efficient Off-line Electronic Cash System Based on the Representation Problem," Centrum voor
Wiskunde en Informatica (CWI) Technical Report CS-T9323, and at http://www.cwi.nl/ftp/brands/CS- R9323.ps
CitiBank and S. Rosen, 1993. "Electronic-Monetary System," International Publication Number WO 93/10503 (May 27).
N. Ferguson, 1994. "Extensions of Single-Term Coins," In: D. R. Stinson (editor), Advances in cryptology, CRYPTO '93:
13th annual international cryptology conference, Santa Barbara, California, USA, August 22-26, 1993: proceedings.
Berlin; New York: Springer-Verlag, pp. 292-301.
M. Franklin and M. Yung, 1992. "Towards Provably Secure Efficient Electronic Cash," Columbia University Department of
Computer Science Technical Report CUCS-018-92 (April 24), at
http://www.cs.columbia.edu/~library/TR-repository/reports/reports-1992/cucs-018-92.ps.gz; also in: A. Lingas, R. Karlsson,
S. Carlsson (editors), 1993. International Colloquium on Automata, Languages, and Programming (1993: Lund,
Sweden). Automata, languages and programming: 20th international colloquium, ICALP 93, Lund, Sweden, July 5-9,
1993: proceedings. Berlin; New York: Springer-Verlag.
S. H. Low, N. F. Maxemchuk and S. Paul, 1994. "Anonymous Credit Cards," In: 2nd ACM Conference on Computer and
Communications Security, Nov. 2-4, 1994, Fairfax, Virginia. New York: ACM (Association for Computing Machinery)
Press, pp. 108-117.
G. Medvinsky and B. C. Neuman, 1993. "Netcash: A Design for Practical Electronic Currency on the Internet," In: First
ACM Conference on Computer and Communications Security. New York: ACM (Association for Computing Machinery)
Press, pp. 102-106.
B. C. Neuman and G. Medvinsky, 1995. "Requirements for Network Payment: The NetCheque (SM) Perspective,"
Proceedings of IEEE COMPCON'95, pp. 32-36, and at
ftp://prospero.isi.edu/pub/papers/security/netcheque-requirements-compcon95.ps
T Okamoto, 1995. "An Efficient Divisible Electronic Cash Scheme," In: D. Coppersmith (editor), Advances in cryptology,
CRYPTO '95: 15th annual international cryptology conference, Santa Barbara, California, USA, August 27-31, 1995:
proceedings. Berlin; New York: Springer, pp. 438-451.
T. Okamoto and K. Ohta, 1990. "Disposable Zero-Knowledge Authentication and Their Applications to Untraceable
Electronic Cash," In: G. Brassard (editor), Advances in cryptology: CRYPTO '89, proceedings. New York:
Springer-Verlag, pp. 481-496.
T. Okamoto and K. Ohta, 1992. "Universal Electronic Cash," In: J. Feigenbaum (editor), Advances in cryptology -
CRYPTO '91: proceedings. Berlin; New York: Springer-Verlag, pp. 324-337.
M. Sirbu and J. D. Tygar, 1995. "NetBill: An Internet Commerce System Optimized for Network Delivered Services,"
Proceedings of IEEE COMPCON'95, pp. 20-25, and at http://www.ini.cmu.edu/netbill/pubs/CompCon_TOC.html
B. Schneier and J. Kelsey, 1996. "A Peer-to-Peer Software Metering System," In: Proceedings of the Second USENIX
Workshop on Electronic Commerce: November 18-21, 1996, Oakland, California. Berkeley, Calif.: USENIX Association,
pp. 279-286.
J. M. Tenenbaum, C. Medich, A. M. Schiffman, and W. T. Wong, 1995. "CommerceNet: Spontaneous Electronic
Commerce on the Internet," Proceedings of IEEE COMPCON'95, pp. 38-43.