[EGreg]

No, not at all. You can vote anonymously and verify your vote but no one else can map that back to your identity.

As for rubber hose crypanalysis, that is possible now.

Buying votes is already done.

[BurningFrog]

You can buy the promise of a vote now, but it can't be verified on the individual level. On the precinct level you can, and that happens.