I've wondered for a while now why zero-knowledge proofs aren't utilised a lot more, like for voting or proving citizenship or age. > On the crypto side, the 0x

I've wondered for a while now why zero-knowledge proofs aren't utilised a lot more, like for voting or proving citizenship or age. > On the crypto side, the 0xPARC team created Zupass, an identity system based on zero-knowledge proofs that you could use to prove that you were a resident of Zuzalu without revealing which one. This could be used both in-person and online, including to anonymously sign in to applications like Zupoll.