i do not think these concerns are legitimate any longer. if internet security was impossible then my bank account (along with others) would have been hacked long ago. everybody banks online. this is just conservative backlash. the real problem with elections is that a lot of people do not bother to vote, which put the legitimacy of the elections into question. online elections can help solve that.
When a bank is hacked, millions of dollars go missing. Police is called in, investigations are launched.
When an election is hacked, a plausible candidate gets some extra votes in their favor, tipping the election. Billions of dollars get spent on dubious but not technically illegal contracts. People shrug and say "Well I didn't vote for them."
I'm sure an rigged electronic election would leave traces like any crime, but there is no smoking gun and no body. If done right you would have little basis to demand an investigation.
Not voting is perfectly legitimate choice for a voter. Also, deciding who to vote for is hard decision to make if you are not that much into politics.
I would rather have people staying home than casting random votes based on their emotions, or who they happened to see on billboard on their way to voting point.
Voting should be a conscious effort, so making it too easy to vote is counterproductive.
