You are absolutely right about the speed of voting. It should be faster. Funny how we can buy a lottery ticket along with tens of millions or hundreds of millions of other tickets bought, we can determine within moments where and when the winning ticket was purchased. The problem with mail in ballots is the ability for fraud. There are ways that it can be done, something along the lines of crypto coins. Issued based on social security number and drivers licenses. It can be done, we just need to spend a bit of time making as close to a perfect system as possible.