ABOUT THE SPEAKER
David Bismark - Voting system designer
David Bismark has co-developed an electronic voting system that contains a simple and reliable method of verification.

Why you should listen

One of the main objections to e-voting is that it's difficult for each voter to know that her vote was recorded accurately and counted correctly, while she remains anonymous. In the system designed by David Bismark and his colleagues, each voter gets a takeaway slip that serves as a record of the vote, and allows elections to be independently verified.

Apart from his work on voting systems, Bismark runs Recito Förlag, a publishing company in Sweden.

More profile about the speaker
David Bismark | Speaker | TED.com
TEDGlobal 2010

David Bismark: E-voting without fraud

David Bismark: E-volitve brez goljufij

Filmed:
606,413 views

David Bismark prikaže nov sistem glasovanja, ki na enostaven in preverljiv način preprečuje goljufije in napačno štetje -- pri tem pa zagotavlja tajnost glasov.
- Voting system designer
David Bismark has co-developed an electronic voting system that contains a simple and reliable method of verification. Full bio

Double-click the English transcript below to play the video.

00:16
So there are a fewmalo things
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Ne obstaja veliko stvari,
00:18
that bringprinesi us humansljudje togetherskupaj in the way that an electionvolitve does.
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ki ljudi pripeljejo skupaj na način, na kakršnega to naredijo volitve.
00:21
We standstojalo in electionsvolitve; we voteglasovanje in electionsvolitve;
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Na volitvah kandidiramo, glasujemo,
00:24
we observeopazujejo electionsvolitve.
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jih opazujemo.
00:26
Our democraciesdemokracij relyzanašajte se on electionsvolitve.
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Naše demokracije temeljijo na volitvah.
00:29
We all understandrazumeti why we have electionsvolitve,
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Vsi razumemo, zakaj imamo volitve,
00:32
and we all leavedopust the househiša on the sameenako day
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in vsi gremo na isti dan iz hiše
00:34
to go and voteglasovanje.
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na volišče.
00:36
We cherishcenijo the opportunitypriložnost to have our say,
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Spoštujemo priložnost oddati svoj glas
00:39
to help decideodloči the futureprihodnost of the countrydržava.
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in soodločati o prihodnosti svoje države.
00:44
The fundamentaltemeljno ideaideja is that politicianspolitiki
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Temeljna ideja je, da politiki
00:46
are givendan mandatemandat to speakgovoriti for us,
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dobijo mandat, da govorijo v našem imenu,
00:49
to make decisionsodločitve on our behalfv imenu
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in tako sprejemajo odločitve,
00:51
that affectvplivati us all.
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ki vplivajo na vse nas.
00:53
WithoutBrez that mandatemandat, they would be corruptpokvarjen.
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Brez tega mandata bi bili korumpirani.
00:56
Well unfortunatelyna žalost, powermoč corruptsrazkrojiti,
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Na žalost moč ljudi kvari
00:58
and so people will do lots of things
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in ti počnejo marsikaj,
01:01
to get powermoč and to stayostani in powermoč,
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da bi prišli na oblast in tam ostali,
01:04
includingvključno z doing badslab things to electionsvolitve.
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vključno s povzročanjem škode na volitvah.
01:08
You see, even if the ideaideja
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Veste, tudi če je zamisel
01:10
of the electionvolitve is perfectpopolno,
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volitev popolna,
01:12
runningteče a countrywidestopnja electionvolitve is a bigvelik projectprojekt,
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je izvedba nacionalnih volitev velik projekt,
01:15
and bigvelik projectsprojektov are messygrdo.
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veliki projekti pa so kaotični.
01:18
WheneverKadarkoli there is an electionvolitve,
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Kadarkoli potekajo volitve,
01:20
it seemsZdi se like something always goesgre wrongnarobe,
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se zdi, da gre nekaj narobe;
01:22
someonenekdo triesposkusi to cheatgoljufija,
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nekdo skuša goljufati
01:24
or something goesgre accidentallypo nesreči awrypo zlu --
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ali pa se kaj ponesreči --
01:27
a ballotglasovanje boxškatla goesgre missingpogrešam here,
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tu izgine volilna skrinjica,
01:30
chadschads are left hangingvisi over here.
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tam ostane kup odrezkov.
01:33
To make sure as fewmalo things as possiblemogoče go wrongnarobe,
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Da bi zagotovili čim manjše število napak,
01:37
we have all these procedurespostopki around the electionvolitve.
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so volitve povezane z mnogimi postopki.
01:40
So for exampleprimer, you come to the pollingVolišče stationpostaja,
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Na primer: pridete na volišče,
01:43
and a pollAnketa stationpostaja workerdelavec asksvpraša for your IDID
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član volilne komisije zahteva vaš osebni dokument,
01:46
before givingdajanje you a ballotglasovanje formobrazec
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preden vam izroči glasovnico
01:48
and askingsprašujem you to go into a votingglasovanje boothkabina
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ter vas napoti v kabino,
01:50
to fillizpolnite out your voteglasovanje.
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kjer jo boste izpolnili.
01:52
When you come back out, you get to droppadec your voteglasovanje
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Ko se vrnete, oddate svoj glas
01:54
into the ballotglasovanje boxškatla
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v volilno skrinjico,
01:56
where it mixesmešanice with all the other votesglasov,
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kjer se pomeša med druge glasove,
01:58
so that no one knowsve how you votedglasovali.
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tako da nihče ne ve, kako ste glasovali.
02:01
Well, what I want us to think about for a momenttrenutek
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Pomislite za trenutek na to,
02:03
is what happensse zgodi after that,
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kaj se zgodi po tem
02:05
after you droppadec your voteglasovanje into the ballotglasovanje boxškatla.
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ko ste svoj glas oddali v volilno skrinjico.
02:07
And mostnajbolj people would go home
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Večina ljudi bo šla domov
02:09
and feel sure that theirnjihovi voteglasovanje has been countedštetje,
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prepričanih, da je bil njihov glas med preštetimi,
02:11
because they trustzaupanje
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saj zaupajo,
02:13
that the electionvolitve systemsistem worksdela.
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da volilni sistem deluje.
02:15
They trustzaupanje that electionvolitve workersdelavce and electionvolitve observersopazovalci
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Verjamejo, da uslužbenci volilnih komisij in opazovalci volitev
02:18
do theirnjihovi jobsslužbe and do theirnjihovi jobsslužbe correctlypravilno.
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opravijo svoje delo, in to korektno.
02:22
The ballotglasovanje boxesškatle go to countingštetje placesmesta.
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Volilne skrinjice odnesejo v prostore za štetje.
02:25
They're unsealedodprl and the votesglasov are pouredvlije out
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Tam jih odpečatijo in stresejo ven glasovnice
02:28
and laboriouslytrudom countedštetje.
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ter jih natančno preštejejo.
02:31
MostVečina of us have to trustzaupanje
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Večina med nami mora zaupati,
02:33
that that happensse zgodi correctlypravilno for our ownlastno voteglasovanje,
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da se to zgodi pravilno za naš glas,
02:35
and we all have to trustzaupanje that that happensse zgodi correctlypravilno
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in vsi moramo zaupati, da se to zgodi pravilno
02:38
for all the votesglasov in the electionvolitve.
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za vse glasove, oddane na volitvah.
02:41
So we have to trustzaupanje a lot of people.
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Zaupati moramo torej veliko ljudem.
02:45
We have to trustzaupanje a lot of procedurespostopki.
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Zaupati moramo številnim postopkom.
02:49
And sometimesvčasih we even have to trustzaupanje computersračunalniki.
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In včasih moramo zaupati celo računalnikom.
02:54
So imaginezamislite hundredsstotine of millionsmilijoni of votersvolivci
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Zamislite si na stotine milijonov volivcev,
02:56
castinglitje hundredsstotine of millionsmilijoni of votesglasov,
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ki oddajo na stotine milijonov glasov,
02:58
all to be countedštetje correctlypravilno
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ki jih je vse treba pravilno prešteti,
03:01
and all the things that can possiblymorda go wrongnarobe
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in vse, kar lahko gre narobe
03:04
causingpovzroča all these badslab headlinesnaslovi,
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in pripelje do takih slabih naslovnic,
03:09
and you cannotne morem help but feel exhaustedizčrpana at the ideaideja
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in nedvomno boste utrujeni od razmišljanja,
03:12
of tryingposkušam to make electionsvolitve better.
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kako izboljšati potek volitev.
03:18
Well in the faceobraz of all these badslab headlinesnaslovi,
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Soočeni z vsemi temi negativnimi naslovi
03:20
researchersraziskovalci have takensprejeti a stepkorak back
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so raziskovalci stopili korak nazaj
03:23
and thought about how we can do electionsvolitve differentlydrugače.
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in razmislili o tem, kako izpeljati volitve drugače.
03:27
They'veOni zoomedpovečano out and lookedpogledal at the bigvelik pictureslika.
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Na stvar so pogledali od daleč, celostno.
03:30
And the bigvelik pictureslika is this:
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In celostna slika je taka:
03:32
electionsvolitve should be verifiablepreverljiv.
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volitve bi morale biti preverljive.
03:36
VotersVolivci should be ablesposoben to checkpreveri
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Volivci bi morali imeti možnost preveriti,
03:39
that theirnjihovi votesglasov are countedštetje correctlypravilno,
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ali so bili njihovi glasovi pravilno prešteti,
03:42
withoutbrez breakingzlom electionvolitve secrecytajnost,
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ne da bi pri tem prekršili načelo tajnosti volitev,
03:44
whichki is so very importantpomembno.
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ki je tako zelo pomembno.
03:47
And that's the toughtežko partdel.
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In to je zahtevni del vsega.
03:49
How do we make an electionvolitve systemsistem completelypopolnoma verifiablepreverljiv
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Kako naj bo volilni sistem povsem preverljiv,
03:52
while keepingvzdrževanje the votesglasov
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če naj ostanejo glasovi
03:54
absolutelyabsolutno secretskrivnost?
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absolutno tajni?
03:56
Well, the way we'vesmo come up with
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No, naš način
03:58
usesuporabe computersračunalniki
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uporablja računalnike,
04:00
but doesn't dependodvisno on them.
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ni pa odvisen od njih.
04:02
And the secretskrivnost is the ballotglasovanje formobrazec.
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Skrivnost je v glasovnici.
04:04
And if you look closelytesno at these ballotglasovanje formsobrazce,
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Če od blizu pogledate te glasovnice,
04:06
you'llboš noticeopaziti that the candidatekandidat listseznam
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boste videli, da je seznam kandidatov
04:08
is in a differentdrugačen orderred on eachvsak one.
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na vsaki drugačen.
04:10
And that meanssredstva, if you markoznačite your choicesizbire on one of them
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To pomeni, da če svoj glas oddate na eni od njih
04:13
and then removeodstraniti the candidatekandidat listseznam,
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in potem odstranite seznam kandidatov,
04:15
I won'tne bo be ablesposoben to tell from the bitbit remainingostalo
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od papirja, ki ostane, ne morem ugotoviti,
04:18
what your voteglasovanje is for.
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komu je namenjen vaš glas.
04:21
And on eachvsak ballotglasovanje formobrazec there is this encryptedšifrirano valuevrednost
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Na vsaki glasovnici je tudi kodirana vrednost
04:24
in the formobrazec of this 2D barcodečrtne kode
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v obliki te 2D črtne kode
04:26
on the right.
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na desni.
04:28
And there's some complicatedzapleteno cryptographyKriptografija
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In tule je udeležena določena
04:30
going on in there,
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zapletena kriptografija,
04:32
but what's not complicatedzapleteno
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tisto kar pa ni zapleteno,
04:34
is votingglasovanje with one of these formsobrazce.
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je glasovanje na teh obrazcih.
04:37
So we can let computersračunalniki do all the complicatedzapleteno cryptographyKriptografija for us,
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Tako pustimo računalnikom, da opravijo z zapleteno kriptografijo,
04:40
and then we'llbomo use the paperpapir for verificationpreverjanje.
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mi pa uporabimo papir za preverjanje.
04:44
So this is how you voteglasovanje.
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Glasujete torej tako.
04:46
You get one of these ballotglasovanje formsobrazce at randomnaključen,
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Dobite naključen obrazec,
04:50
and then you go into the votingglasovanje boothkabina,
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greste v volilno kabino
04:52
and you markoznačite your choicesizbire,
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in označite svoj izbor,
04:54
and you teartrgati alongskupaj a perforationperforacija.
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potem pa listič pretrgate po perforaciji.
04:59
And you shredShred the candidatekandidat listseznam.
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Seznam kandidatov uničite.
05:02
And the bitbit that remainsostanki, the one with your marksoznake --
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Tisto, kar ostane, ta del z vašim izborom,
05:05
this is your encryptedšifrirano voteglasovanje.
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to je vaš kodiran glas.
05:07
So you let a pollAnketa stationpostaja workerdelavec
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Sodelavec volilne komisije na volišču
05:09
scanskeniranje your encryptedšifrirano voteglasovanje.
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skenira vaš kodiran glas.
05:11
And because it's encryptedšifrirano,
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In ker je kodiran,
05:13
it can be submittedvpisali, storedshranjeni
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ga je mogoče oddati, shraniti
05:15
and countedštetje centrallycentralno
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in prešteti na centraliziran način
05:18
and displayedprikazano on a websitespletno stran
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ter ga objaviti na spletni strani
05:20
for anyonekdorkoli to see, includingvključno z you.
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na ogled vsem, tudi vam.
05:23
So you take this encryptedšifrirano voteglasovanje
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Tole kodirano glasovnico
05:26
home as your receiptprejemu.
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odnesete domov kot potrdilo.
05:28
And after the closeblizu of the electionvolitve,
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Po zaključku volitev
05:30
you can checkpreveri that your voteglasovanje was countedštetje
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pa lahko preverite, ali so vaš glas prešteli,
05:32
by comparingprimerjava your receiptprejemu
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tako da svoje potrdilo primerjate
05:35
to the voteglasovanje on the websitespletno stran.
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z glasom na spletni strani.
05:39
And rememberZapomni si, the voteglasovanje is encryptedšifrirano
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Ne pozabite, glas je kodiran
05:41
from the momenttrenutek you leavedopust the votingglasovanje boothkabina,
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od trenutka, ko zapustite volilno kabino,
05:44
so if an electionvolitve officialuradni wants to find out how you votedglasovali,
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tako da če volilni uradnik želi ugotoviti, kako ste volili,
05:47
they will not be ablesposoben to.
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ne more.
05:49
If the governmentvlada wants to find out how you votedglasovali,
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Če vlada želi ugotoviti, kako ste volili,
05:51
they won'tne bo be ablesposoben to.
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ne more.
05:54
No hackerindijska volovska zaprega can breakodmor in
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Noben heker ne more vlomiti
05:56
and find out how you votedglasovali.
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in ugotoviti, kako ste volili.
05:58
No hackerindijska volovska zaprega can breakodmor in and changesprememba your voteglasovanje,
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Noben heker ne more vlomiti in spremeniti vašega glasu,
06:01
because then it won'tne bo matchtekmo your receiptprejemu.
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saj se potem ne bo ujemal z vašim potrdilom.
06:04
VotesGlasov can't go missingpogrešam
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Glasovi ne morejo izginiti,
06:07
because then you won'tne bo find yourstvoja when you look for it.
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kajti potem jih ne bi našli, ko bi jih iskali.
06:11
But the electionvolitve magicmagija doesn't stop there.
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A volilna čarovnija se tu ne konča.
06:14
InsteadNamesto, we want to make the wholeceloto processproces
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Namesto tega želimo celoten proces
06:16
so transparentpregleden
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narediti tako transparenten,
06:18
that newsnovice mediamediji and internationalmednarodni observersopazovalci
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da lahko novinarji in mednarodni opazovalci
06:21
and anyonekdorkoli who wants to
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ter kdorkoli drug, ki to želi,
06:23
can downloadprenesi all the electionvolitve datapodatkov
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pridobijo vse volilne podatke
06:25
and do the countšteje themselvessami.
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in sam opravi štetje.
06:27
They can checkpreveri that all the votesglasov were countedštetje correctlypravilno.
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Lahko preverijo, ali so bili glasovi pravilno prešteti.
06:30
They can checkpreveri
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Lahko preverijo,
06:32
that the announcednapovedal resultrezultat of the electionvolitve
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da so objavljeni rezultati volitev
06:34
is the correctpravilno one.
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res pravilni.
06:36
And these are electionsvolitve
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In to so volitve
06:38
by the people, for the people.
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od ljudi za ljudi.
06:40
So the nextNaslednji stepkorak for our democraciesdemokracij
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Naslednji korak naših demokracij
06:43
are transparentpregleden
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so transparentne
06:45
and verifiablepreverljiv electionsvolitve.
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in preverljive volitve.
06:47
Thank you.
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Hvala.
06:49
(ApplauseAplavz)
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(Aplavz)
Translated by Klavdija Cernilogar
Reviewed by Tilen Pigac - EFZG

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ABOUT THE SPEAKER
David Bismark - Voting system designer
David Bismark has co-developed an electronic voting system that contains a simple and reliable method of verification.

Why you should listen

One of the main objections to e-voting is that it's difficult for each voter to know that her vote was recorded accurately and counted correctly, while she remains anonymous. In the system designed by David Bismark and his colleagues, each voter gets a takeaway slip that serves as a record of the vote, and allows elections to be independently verified.

Apart from his work on voting systems, Bismark runs Recito Förlag, a publishing company in Sweden.

More profile about the speaker
David Bismark | Speaker | TED.com