// ZKP Audit Proof Circuit // Generates zero-knowledge proofs for audit logs without exposing data // Patent Claim 6, 9 fn main( decision_value: Field, timestamp: Field, pseudonymised_id: Field, rules_hash: Field ) -> pub Field { // Generate audit proof hash let audit_proof = decision_value + timestamp + pseudonymised_id + rules_hash; // Verify integrity (simplified - in production use proper hash verification) let integrity_verified = if audit_proof != 0 { 1 } else { 0 }; // Return integrity verification result integrity_verified }