MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202611066371 A) filed by Indian Institute Of Information Technology Allahabad on May 26, 2026, for System For Decentralized Privacy-Preserving Identity Verification Using Zero-Knowledge Proofs On Blockchain Networks And Method Thereof.
Inventors include Utkarsh Kumar; Shivam Babu; and Prof. Shekhar Verma.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: The present disclosure proposes a system (100) for decentralized privacy-preserving identity verification using zero-knowledge proofs through cryptographic commitment generation, on-chain cryptographic commitment anchoring, issuer-attested credential verification, Groth16-based zero-knowledge proof validation, nullifier-based replay protection, and selective cryptographic attribute verification on distributed blockchain infrastructure (128). In one embodiment herein, the system (100) comprises a computing device (102), a processor (104), a memory (106), plurality of modules (108), a network (124), issuer systems (126), distributed blockchain infrastructure (128), verifier smart contracts (130), user devices (132), and decentralized service platforms (134). The system (100) reduces blockchain verification overhead, proof-generation latency, arithmetic circuit complexity, blockchain gas consumption, and decentralized authentication cost through utilization of zero-knowledge-circuit-optimized cryptographic primitives. The system (100) performs decentralized proof verification using Groth16-based zero-knowledge proof architectures and blockchain-based verifier smart contract infrastructures.
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