MUMBAI, India, Jan. 2 -- Intellectual Property India has published a patent application (202541122142 A) filed by Vellore Institute Of Technology, Vellore, Tamil Nadu, on Dec. 4, 2025, for 'blockchain-based secure cloud data storage system with attribute-based encryption.'
Inventor(s) include Dr. S Ranjithkumar; Deevansh Dutta; Nishank Arora; and Reeyasree Sahoo.
The application for the patent was published on Jan. 2, under issue no. 01/2026.
According to the abstract released by the Intellectual Property India: "The present disclosure provides a blockchain-based secure cloud data storage system comprising a data encryption module configured to encrypt data files using attribute-based encryption based on predefined access policies, a decentralized storage network configured to store encrypted data files across distributed nodes, a blockchain network with smart contracts managing access control policies and validating user attributes, a user authentication module configured to authenticate users and assign attribute-based credentials, and a data access control module configured to grant or deny access based on verification of user attributes through smart contracts. Authorized users with matching attributes can decrypt and retrieve data files from the decentralized storage network. The system utilizes a FAME Encryption Module (1) processing data from a Data Owner through a Cloud Server (2) with access control managed by a Blockchain Network (3) for Authorized Users and FAME Decryption Module (4)."
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