51% attacks only exist if the clients can fork. if your chain is not forkable (i.e you already know the size for an election thanks to census and voter records)

51% attacks only exist if the clients can fork. if your chain is not forkable (i.e you already know the size for an election thanks to census and voter records) there is no need for it as there is no need for miners even. most other comments in this thread confuses blockchain with cryptocurrencies.