ࡱ> BDCv(@ / 00DTimes New Roman,0v 00( 0DTahomaew Roman,0v 00( 0" DWingdingsRoman,0v 00( 00DArial Narrowan,0v 00( 0" a.  @n?" dd@  @@`` PM     0e0e A@A5%8c8c     ?1d0u0@Ty2 NP'p<'p@A)BCD|E?@87|#ʚ;2Nʚ;g4JdJdv 0$ppp@ <4!d!d` 0<4dddd` 0 ? %How Can We Make Voting Better?Ben Hosp CVV Project GWU/SEASHow Can We Make Voting Better?We first have to ask what we mean by  better. What are the goals we have when we hold an election? IntegrityCorrect vote count All votes are: cast as intended no technological interference no coercion, intimidation, or vote-buying counted as cast no lost votes no extra votesb"H"H Involuntary PrivacyVotes are private. A voter cannot prove how she voted to anyone, even if she wants to. That would allow her to sell the vote. She could be coerced into giving up the information.&W\W\ Today^Punch cards Lever Machines Direct-Record Electronic Optically-scanned Paper Hand-counted PaperYLost Votes From: CALTECH/MIT VOTING TECHNOLOGY REPORT WHAT IS; WHAT COULD BE July, 2001 @Z $F Election process lost 4 to 6 million presidential votes in 2000. An estimated 1.5 million presidential votes not recorded because of difficulties using voting equipment. Up to 3.5 million Senate and governor votes lost because of technology over the last election cycle. .ZCRates of unmarked, uncounted, and spoiled ballots From: CALTECH/MIT VOTING TECHNOLOGY REPORT WHAT IS; WHAT COULD BE July, 2001 83$F*In presidential, Senate and governor elections over last 12 years: Lowest: hand-counted and optically scanned paper Second highest: Electronic machines In Senate and governor elections over last 12 years: Highest: Lever machines Over last four presidential elections: Highest: Punch cards +Z+ Voter VerifiabilityQA voter can confirm that her vote was: cast as intended counted as cast anonymous&'+'+  Public Verifiability@Anyone can verify that all votes were: counted as cast anonymous&''   Robustness-Problems can be: detected localized corrected&  CVVCVV can provide all five goals. We give you an encrypted receipt. We show you in the voting booth that it contains your vote. 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