Anyone who’s walked into a voting booth and scratched their preference onto a piece of paper knows the same thing: the voting process suffers from a dire lack of technology. We put a man on the moon in 1969–why are we still voting on paper? Going digital isn’t just a matter of convenience, but one of accountability—citizens the world over are increasingly losing trust in the democratic system, from miscounted votes, to denying eligible people the right to vote at all. So just how much can we digitize the act of voting? Perhaps blockchain—a public ledger technology where information is irreversibly recorded—can build a better system. Here, Internet pioneer Brian Behlendorf considers two aspects where blockchain can help, and one where it absolutely can’t.