Work of Stefan Brands
Stefan Brands
was a PhD student conducting research in the area of
untraceable off-line electronic cash and privacy-protecting mechanisms
for digital credentials.
Below is a collection of his work on Internet cash systems and related
discussions.
His publications on electronic cash can be
found
here.
Brand's Internet Cash System.
An Efficient Off-line Electronic Cash System
based on the Representation
Problem.
Discrete Logs
Part 1.
Discrete Logs
Part 2.
Some maths.
Brand's cash simplified.
Hardware and observer chips.
Technical notes.
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Michael Peirce
mepeirce@alf2.tcd.ie