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One of the most important imperatives of the contemporary digital communication is secure file transfer. The traditional file transfer system has been noted to be susceptible to attacks like tampering of data, unauthorized access, man in the middle attacks, and single point failure because most of them consider centralized models of storage and authentication. The proposed project proposes a Secure File Transfer System based on Blockchain and guarantees high integrity, transparency and data verification that is tamperproof. The system supports file exchange between users with high security and little chances of data leakage by integrating blockchain hashing, decentralized access control, cryptographic encryption, and peer-to-peer communication. The system uses the hash-based method of the use of SHA-256 and AES encryption, smart contract-driven access control, and IPFS (InterPlanetary File System) to store data in a distributed way. The files uploaded are encrypted and distributed via IPFS and indexed on a blockchain ledger with the immutable hash reference. This helps in avoiding unsanctioned changes and ensures that the integrity of files can be checked at any point of time. The system has been evaluated on performance and it offers a good protection against tampering, high availability and faster file verification than centralized systems. It can be used in government data exchange, banking institution, corporate department and privacy sensitive digital ecosystems.
IRE Journals:
Deepanshu, Vineet, Nisha "Secure File Transfer System Through Blockchain" Iconic Research And Engineering Journals Volume 9 Issue 4 2025 Page 2298-2305 https://doi.org/10.64388/IREV9I4-1718984
IEEE:
Deepanshu, Vineet, Nisha
"Secure File Transfer System Through Blockchain" Iconic Research And Engineering Journals, 9(4) https://doi.org/10.64388/IREV9I4-1718984