It is not secure. The internet, mail, and the phone system are all subject hacking to change votes and determine how people voted. We read of problems with network security all the time. Voting and ATMs are different applications with quite different security challenges.

It is not a secret ballot. I can easily sell my vote or be intimidated into voting a certain way if anyone can easily watch how I vote. Imagine a group vote in a union hall, church, or workplace.

Before voting like this is used, it should be subject to scrutiny by many computer scientists, security experts, and election officials – with an overwhelming majority indicating it has no major risks.