[42712] in Cypherpunks

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Info needed on observers

daemon@ATHENA.MIT.EDU (Leo Van Hove)
Thu Nov 2 10:55:40 1995

Date: Thu, 2 Nov 95 16:51:11 +0100
To: cypherpunks@toad.com
From: lvhove&vnet3.vub.ac.be@vnet3.vub.ac.be (Leo Van Hove)


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Hi,

I am currently preparing a paper on payment systems for the Internet
and related issues.  I recently found out that so-called observers could
be placed on smart cards (in order to prevent double spending, or even to
prevent people from cheating on taxes...).

To be honest that's about all I know about observers and I am very eager
to find out more.  I am, however, having a hard time finding interesting
references on this subject.

Hence, all suggestions to get me started would be extremely welcome.
Questions of particular interest are: possible functions (and limits),
how 'real' are they already?, what about privacy?, ...

Many thanks in advance.

leo

_________________________________________________________________________
Leo Van Hove

Centre for Financial Economics
Vrije Universiteit Brussel (Free University of Brussels)
Pleinlaan 2
B-1050 Brussels
Vox: +32 629.21.25
Fax: +32 2 629.22.82
e-mail: lvhove@vnet3.vub.ac.be
_________________________________________________________________________



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