International Journal For Multidisciplinary Research

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Blockchain-Based Decentralized Data Marketplaces

Author(s) Geetika Naidu, Mrs. Chetna Achar
Country India
Abstract Blockchain technology is transforming data exchange by making secure, decentralized marketplaces possible. Existing paradigms of data sharing are suffering from centralization, security issues, and disproportionate data ownership, with third parties gaining benefits from user data without fair compensation or privacy measures. This calls for a decentralized platform that ensures data integrity, privacy, and fair value distribution.
Blockchain data marketplaces apply distributed ledger technology (DLT), cryptographic protection, and intelligent contracts to eliminate middlemen and enable peer-to-peer transactions with genuine verifiability.
One of the most powerful advantages of token-based rewards by blockchain-based data marketplaces is that they promise fair rewards to data suppliers while offering transparency. Decentralized identity schemes, too, empower the users further by giving them the power of accessing data, instead of the central compromise.
But scalability constraints, exorbitant transaction costs, and regulatory uncertainty hold back mass adoption. Measures like layer-2 scaling and sharding are required for efficient data transactions, whereas regulatory standardization remains central to worldwide implementation.
Practical instances, like IBM's blockchain-based data exchange and the Ocean Protocol, reflect the capacity of blockchain to revolutionize data economies with security and efficiency. The technology, benefits, problems, and upcoming directions, including the integration of AI for enhanced security and regulation, are addressed in this paper.
Keywords Blockchain, Data Marketplace, Decentralized Exchange, Data Security, Smart Contracts, Cryptography, Distributed Ledger Technology, Privacy, Token Economy, Identity Management.
Field Computer > Network / Security
Published In Volume 7, Issue 3, May-June 2025
Published On 2025-06-17
DOI https://doi.org/10.36948/ijfmr.2025.v07i03.48347
Short DOI https://doi.org/g9qqtt
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