1/3 Age verification online usually means giving up personal info, but it doesn’t have to. @ZKPassport uses zero-knowledge proofs to let users prove they're over a certain age without revealing their birthdate, name, or any personal data.

2/3 Most countries issue biometric passports or national IDs with NFC chips that include info like your birthdate and name. @ZKPassport reads this locally and generates a zkp on your phone that satisfies an app’s age check without storing or transmitting your data.

3/3 @ZKPassport is in early testing on the Aztec testnet, helping prevent Sybil attacks by verifying node operators privately and permissionlessly. This supports daily growth of the network with verified node operators without compromising privacy.