[hashcash] Anti-Spam Conference, Mountain View, CA, July 30-31

Saw an announcement today about http://www.ceas.cc/, the "First Conference
on Email and Anti-Spam (CEAS)", to be held July 30-31, 2004 in Mountain
View, CA.

Speakers include Larry Lessig and Hal Varian.

Early registration closes June 30 (day after tomorrow): $250, or $175
for students.  After that date it is $325 / $225.

There will be a special panel on "Payment for Anti-Spam: Time, Money,
and Puzzles".  Here is the information on that panel:

> If the fundamental reason for spam is that email is practically free,
> then the solution is to raise the price. There are many ways to charge
> people, including time, money, and puzzles. Computational approaches
> require the sender's computer to solve a time-consuming problem. Monetary
> approaches require the sender to pay actual cash. Puzzle approaches like
> HIPs (Human Interactive Proofs) and CAPTCHAs require the sender to prove
> a human is in the loop. This panel will include at least one advocate
> of each approach, and a devil's advocate against them all.
>
> Moderator: Tom Berson, Anagram Laboratories
> Panelists:
> Cynthia Dwork, Microsoft Research
> Philip Raymond, CEO Vanquish
> Richard Clayton, University of Cambridge
> Brian Wilson, CTO of MailFrontier (producer of Matador)
> Ambika Gadre, Director of Product Marketing, Information Services,
>               Ironport System (producer of Bonded Sender.)

Hal Finney

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