Presented on May 19, 2004, at the ITL Seminar Series - Secret-Ballot Receipts: True Voter-Verifiable Elections, National Institute of Standards and Technology, Gaithersburg, MD.
Presented on May 26, 2004, at the DIMACS Workshop on Electronic Voting, Rutgers University, NJ.
Presented on October 1, 2004 at the Caltech-MIT/Voting Technology Project Symposium 2004, MIT, Cambridge, MA.

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