Aiming at the security problem that the existing in electronic surveys. such as information fraud. privacy security etc. An anonymous electronic survey scheme based on non-interactive zero knowledge proofs (NIZK) was constructed. https://www.bekindtopets.com/limited-stock-Original-U-S-Vietnam-War-Era-Operation-Igloo-White-Seismic-Sensor-Inert-Rocket-great-price/