This sounds close to what Colorado does. Ballots are hand marked and human readable, but machine counted. Risk limiting audits are performed for (I think) every

This sounds close to what Colorado does. Ballots are hand marked and human readable, but machine counted. Risk limiting audits are performed for (I think) every election above small town level. Ballots are mailed to every eligible voter, but you can go vote if you really like your precinct.