International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Online Document Verification using Blockchain Technology

Author(s) Ms. Lasya Mattaparthy, Prof. Vijaya Lakshmi S
Country India
Abstract In recent years, the rise of digital certificates for various academic, professional, and governmental applications has brought about a need for secure, tamper-proof validation mechanisms. Traditional methods for verifying certificate authenticity often involve manual checks or reliance on centralized databases, both of which are prone to manipulation or errors. Blockchain technology, with its inherent features of decentralization and immutability, offers an innovative solution to this problem. This project aims to develop a blockchain-based system to verify the authenticity and integrity of digital certificates using the Ganache platform, a widely used Ethereum test network. The process begins with certificate uploads, where files in various formats such as PDFs, JPEGs, or PNGs are converted to binary data and hashed using SHA-256. This hash, along with metadata, is stored on the blockchain through a smart contract, ensuring the certificate’s integrity. The verification interface enables authorized entities to cross-check the certificate’s hash on the blockchain, offering a quick and reliable method of verification. Existing systems, while useful, often lack transparency and are vulnerable to fraud. By integrating blockchain, this project enhances the security and trustworthiness of digital certification processes, addressing concerns in various sectors, including education, employment, and government.
Keywords Blockchain, Digital Certificates, Cryptographic Hashing, Ganache.
Field Computer Applications
Published In Volume 7, Issue 3, May-June 2025
Published On 2025-06-05
DOI https://doi.org/10.36948/ijfmr.2025.v07i03.46084
Short DOI https://doi.org/g9pzs7
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