Blockchain Solution for Document Integrity and Forgery Mitigation

Ensuring document authenticity and security is a critical challenge in the digital era. Traditional document verification methods are often susceptible to forgery, unauthorized modifications, and inefficiencies. This paper presents a Blockchain-Based Digital Notary System, leveraging blockchain’s decentralized and immutable nature to provide a tamper-proof and transparent document verification solution. The system integrates IPFS-based secure storage, SHA-256 hashing, and smart contracts to store document metadata while ensuring privacy and integrity. Users can upload, verify, and authenticate documents through a seamless interface, while verifiers and issuers have dedicated functionalities for approval and digital signing. The architecture is built on Node.js, Express.js, MongoDB, Solidity, Ganache, and Truffle, ensuring efficient backend processing and smart contract execution. By eliminating third-party dependencies and enabling real-time validation, this system enhances trust, security, and efficiency across various industries, including legal, educational, and financial sectors. Future improvements focus on scalability, interoperability, and regulatory compliance to broaden adoption in institutional frameworks. General Terms: Blockchain, Digital Fingerprint (Hash), Decentralized Storage, Smart Contracts ,Verification System, Tamperproof, Authentication