Zero-Knowledge Proof (ZKP) Authentication for Offline CBDC Payment System Using IoT Devices

Researchers propose a new offline CBDC payment system using IoT devices that integrates zero-knowledge proofs and secure elements for privacy-preserving transactions. The system addresses challenges of resource-constrained IoT devices while enabling secure digital payments without internet connectivity, particularly for underserved communities.

• →The proposed system combines offline CBDC payments with IoT devices using zero-knowledge proofs for enhanced privacy and security.
• →The solution addresses key challenges including double-spending prevention, privacy preservation, and digital identity management on resource-constrained devices.
• →The hybrid architecture enables both online and offline payments using secure hardware with lightweight cryptographic algorithms.
• →The system aims to provide financial inclusion for underserved communities in connectivity-poor remote locations.
• →Integration of secure elements and intermittent synchronization enables cash-like digital payments while maintaining AML/CFT compliance.