MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202631113571 A) filed by Dr. Hemamalini. S; R. Himabindu; Palajeesam Srinivas; Dr. V. Seedha Devi; Panthani Ramesh; Mr. A. Ramesh Khanna; S. Mohammed Ibrahim; Dr. P N V Syamala Rao M; and Ms. D. Viji on September 22, 2026, for Intelligent Blockchain-Based Digital Identity Verification System With Privacy-Preserving Authentication.
Inventors include Dr. Hemamalini. S; R. Himabindu; Palajeesam Srinivas; Dr. V. Seedha Devi; Panthani Ramesh; Mr. A. Ramesh Khanna; S. Mohammed Ibrahim; Dr. P N V Syamala Rao M; and Ms. D. Viji.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: An intelligent blockchain-based digital identity verification system is disclosed for authenticating a user while minimizing disclosure and avoiding storage of plaintext credential content on a blockchain. A user-controlled identity wallet stores or accesses cryptographically protected credentials and generates a transaction-specific privacy-preserving proof responsive to a challenge issued by a verification gateway. A policy engine determines a minimum credential predicate according to transaction context and a contextual risk state. The proof is validated using issuer verification material, a blockchain-resident credential integrity anchor, and privacy- preserving revocation or status information. Pairwise or transaction-specific pseudonymous identifiers reduce cross-verifier correlation, while nonce, session, policy, and verifier-domain binding inhibits replay. Upon successful validation, the gateway issues a signed verification result containing satisfied predicates, assurance information, proof freshness information, and a ledger-state reference while excluding undisclosed credential attributes. Optional verification-event commitments enable tamper-evident audit without exposing personal identity data. Accompanied Drawing [FIGS. 1-2].
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