Blockchain-Based Document Verification System

Authors

  • Anish Mainali School of Computer Science and Engineering, Lovely Professional University, Phagwara, Jalandhar, Punjab.
  • Pareen Rathore School of Computer Science and Engineering, Lovely Professional University, Phagwara, Jalandhar, Punjab.
  • Aryan Maheshwari School of Computer Science and Engineering, Lovely Professional University, Phagwara, Jalandhar, Punjab.
  • Richa Sharma * School of Computer Science and Engineering, Lovely Professional University, Phagwara, Jalandhar, Punjab.

https://doi.org/10.22105/scfa.vi.68

Abstract

Trust over documents and credentials has become extremely challenging to maintain in today’s world because of the rampant rise in forgery and impersonation in education, legal practices, and government work. Verification systems are limited in scope because of their centralized nature, lack of transparency, and inefficiency. The research contributes to establishing a trustless document verification system by employing Ethereum smart contracts alongside a blockchain-based InterPlanetary File System (IPFS). The proposed system allows bearers (Exporters) of authorizing documents to upload hashes of the documents to the blockchain while preserving the documents in IPFS which helps in maintaining data and document integrity. Employing hash functions, users should be able to access the encrypted metadata and documents through a web interface connected through MetaMask and Remix IDE. The integration puts forward a fully automated on-chain permission system combined with demand-based off-chain storage which allows trust-free scalability for QR code document verification. By placing permission controls on-chain and combining off-chain storage with practical QR code document access, a scalable trust-free framework for system integration is achieved. Thus, the architecture enables real-time verification without the requirement of trusted third parties, while maintaining full system transparency, security, and immutability throughout all stages of document verification.

Keywords:

Blockchain, Smart contracts, Interplanetary file system, Ethereum, MetaMask, Remix IDE, QR code validation

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Published

2025-08-06

Issue

Articles in Press

Section

Articles

How to Cite

Blockchain-Based Document Verification System. (2025). Soft Computing Fusion With Applications . https://doi.org/10.22105/scfa.vi.68

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