For something as important as an election, it should be simple enough for people to understand the process and believe in the result.
Another solution to adding more trust into the elections: People could be able to annotate their physical ballot with a token, each vote with each token is then published and people can see for themselves that their vote has been taken into account.
Another solution to adding more trust into the elections: People could be able to annotate their physical ballot with a token, each vote with each token is then published and people can see for themselves that their vote has been taken into account.