[pep-8001] Explain why people cannot change their votes
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@ -112,8 +112,10 @@ Which will have the effect of:
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* The detailed ballots will *not* include any identifying information
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and the email addresses of the voters will be thrown away by the CIVS
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system as soon as the email with their voting link has been sent.
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* Voters will *not* be able to write in new choices, and will be limited
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only to the options specified in the election.
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* Voters will *not* be able to write in new choices, meaning they will
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be limited only to the options specified in the election.
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* Voters will *not* have the ability to change their vote after casting
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a ballot. [no-changes]_
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* The default ordering for each ballot will be randomized to remove
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any influence that the order of the ballot may have on the election.
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* Voters will have to rank all choices somehow, but may rank multiple
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@ -127,6 +129,12 @@ orders all candidate PEPs from the most preferred to the least
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preferred. The vote will be tallied and a winner chosen using the
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`Condorcet method <https://en.wikipedia.org/wiki/Condorcet_method>`_.
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Note: each voter can only cast a single vote with no ability to
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revise their vote later. [no-changes]_ If you are not absolutely
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sure of your choices, hold off casting your ballot until later in
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the voting period. Votes cast on the last day of the election are
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just as valid as the ones cast on the first day.
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While the CIVS system does not provide an option for a "Pure"
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Condorcet election, any Condorcet method will select the "Pure"
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Condorcet winner if one exists and otherwise only vary if one
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@ -181,29 +189,37 @@ Why should the vote be private?
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When discussing the election system, a number of core developers expressed
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concerns with the idea of having public ballots, with at least one core
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developer stating that they were planning on abstaining from voting
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altogether due to the use of a public ballot.
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altogether due to the use of a public ballot. A poll ran on Discourse
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identified the overwhelming majority of voters prefer private ballots.
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[private-vote]_
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A secret ballot is considered by many to be a requirement for a free and
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fair election, allowing members to vote their true preferences without
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worry about social pressure or possible fallout for how they may have
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voted.
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Why the use of CIVS?
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--------------------
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In the resulting discussion of this PEP, it was determined that core
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developers wished to have a secret ballot. Unfortunately a secret ballot
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requires either novel cryptography or a trusted party to anonymize the
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ballots. Since there is not known to be any existing novel cryptographic
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systems for Condorcet ballots, the CIVS system was chosen to act as a
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trusted party.
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developers wished to have a secret ballot. [private-vote]_ Unfortunately
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a secret ballot requires either novel cryptography or a trusted party to
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anonymize the ballots. Since there is not known to be any existing novel
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cryptographic systems for Condorcet ballots, the CIVS system was chosen to
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act as a trusted party.
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More information about the security and privacy afforded by CIVS, including
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how a malicous voter, election supervisor, or CIVS administrator can
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influence the election can be be found
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`here <https://civs.cs.cornell.edu/sec_priv.html>`_.
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Why cannot voters change their vote?
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------------------------------------
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CIVS does not allow voters to update their vote and as part of its goal
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to prevent the election supervisor from being able to influence the
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votes.
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Are there any deficiencies in the Condorcet method?
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------------------------------------------------------------
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@ -227,6 +243,13 @@ there are 21 or more voters, though, is
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`less than 1.5% <https://www.accuratedemocracy.com/l_cycles.htm>`_.
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References
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==========
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.. [no-changes] https://discuss.python.org/t/pep-8001-public-or-private-ballots/374/20
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.. [private-votes] https://discuss.python.org/t/pep-8001-public-or-private-ballots/374/4
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Copyright
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=========
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