There's plenty to invent even there, even in the theoretical mathematical areas! There are all sorts of interesting ideas around provably correct elections impl

There's plenty to invent even there, even in the theoretical mathematical areas! There are all sorts of interesting ideas around provably correct elections implemented via things like zero knowledge proofs or calculations from various sorts of private keys. Can I give you some sort of receipt when you vote that can't be used to figure out who you voted for but can be used to determine that your vote was tallied correctly? Quite possibly!