[warcode]

Until you want to scale due to using rapid direct democracy. Paper ballots will still WORK perfectly, but the workload will be massive.

[zython]

Which is something you can justify IMO for a direct, just, free, equal and confidential election.

[specialist]

The gold standard is paper ballots cast at a precinct, counted the moment the polls close.

In the USA, average precincts are 500 voters. Totally doable. In fact, that's how many jurisdictions did it.