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Punchscan, what is it?



Here is a question for computer geeks on this list. A few days ago I
read an article in IEEE Spectrum ( vol 44, #1, p. 13) touting a new
approach to e-voting security that is called Punchscan. I couldn't
understand the system, and I couldn't even understand what problem it
was supposed to be solving. Then, today, I find technews.acm.org
touting the article that I didn't understand. Does anyone on this list
know what Punchscan is, and why it is getting play in the
computer-science/electrical-engineering press?

-- 
Paul E Condon           
pecondon@xxxxxxxxxxxxxxxx