Anonymity keeps the government from locking you up if you vote the wrong way. Non-demonstrable keeps you from selling your vote to your boss.
That is why you typically show id, get a ballot and there is no relationship between the two.
That is why you typically show id, get a ballot and there is no relationship between the two.
And we could use cryptography to vote anonymously after authentication online.
You go into the voting booth alone.
If someone is willing to sell their vote in the first place, they have zero incentive to vote for another candidate. They only have to trust the buyer to follow up on his promise (which is required in any other scenario also).