There is absolutely no need to have electronic voting machines. Votes happen months before one needs to take office. Counting of paper ballots is an easy and solved problem. No need to try to optimize speed of counting for elections. It's not a big enough issue. Paper ballots are also decentralized and thus, much harder to manipulate.
The downside risk of electronic voting is very high. It invariably leads to centralization, meaning allows risk of amplified manipulation in presence of hacks.
"Why can we have electronic banking, but not electronic voting, vowelless?”
For one, elections cannot be insured like your bank transactions can. Loosing money can be devastating, but the Republican system with democratic voting is much more important than the banking system.
The downside risk of electronic voting is very high. It invariably leads to centralization, meaning allows risk of amplified manipulation in presence of hacks.
"Why can we have electronic banking, but not electronic voting, vowelless?”
For one, elections cannot be insured like your bank transactions can. Loosing money can be devastating, but the Republican system with democratic voting is much more important than the banking system.