On Aug 16, 2008, at 12:54 AM, Kristofer Munsterhjelm wrote:

I am for a record on disk of each ballot, but done in a maner to not destroy secrecy.

You have to be very careful when doing so, because there are many channels to secure. A vote-buyer might tell you to vote exactly at noon so that the disk record timestamp identifies you, or he might, in the case of Approval and ranked ballots, tell you to vote for not just his preferred candidate, but both the low-support communist and the low-support right extremist as well, so that he can tell which ballot was yours and that you voted correctly.

In the US, at least, voting by mail has become so prevalent that I wonder whether it's worthwhile making voting machinery absolutely impregnable to vote-buying. All else being equal, sure, why not, but if we trade off other desirable properties to preserve secrecy, and leave the vote-by-mail door unlocked....


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