[12177] in cryptography@c2.net mail archive
Re: Micropayments, redux
daemon@ATHENA.MIT.EDU (Andrew Odlyzko)
Mon Dec 16 23:39:44 2002
To: cryptography@wasabisystems.com
Date: Mon, 16 Dec 2002 22:13:12 -0600 (CST)
From: odlyzko@dtc.umn.edu (Andrew Odlyzko)
The Micali-Rivest Peppercoin scheme <http://www.peppercoin.com>
seems awfully hard to distinguish from an instance of the
probabilistic polling scheme invented by S. Jarecki and myself,
which was presented at the first Financial Cryptography conference
in 1997, published in "Financial Cryptography," R. Hirschfeld, ed.,
Lecture Notes in Computer Science #1318, Springer, 1997, pp. 173-191,
and is available online at
<http://www.dtc.umn.edu/~odlyzko/doc/polling.pdf>
and
<http://www.dtc.umn.edu/~odlyzko/doc/polling.ps>.
(This scheme is also covered by US patent #5,999,919.)
Andrew
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