Digital Document Verification using Blockchain
Devika Sawant · International Journal for Research in Applied Science and Engineering Technology · 2025
The Blockchain technology is used in the Digital Document Verification using Blockchain project to improve the security, authenticity, and integrity of digital documents. Conventional document verification techniques are frequently ineffective, expensive, and susceptible to fraud or manipulation. In order to overcome these difficulties, this system stores the cryptographic hash values of documents in a decentralised ledger, guaranteeing that once they are recorded, they cannot be changed or modified. A hash of the document is created at the moment of verification and compared to the hash that has already been saved on the blockchain as part of the verification process. The document is unaltered and legitimate if the hashes match; if not, any differences suggest possible changes or manipulation. By lowering reliance on centralised authority and making unauthorised alterations immediately identifiable, this technique greatly improves document security. The solution provides more openness and confidence by utilising the decentralised and irreversible characteristics of blockchain technology, guaranteeing that all verification records are permanent and available for auditing purposes. In industries including education, healthcare, law, finance, and government agencies that need strong document verification, the method is very advantageous. Additionally, automating verification procedures improves efficiency and dependability by cutting down on the time and effort needed for manual authentication. In addition to reducing the dangers of document fraud, this initiative promotes a safer and more reliable digital document management environment