ISSN (Online) : 2456 - 0774

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ISSN (Online) 2456 - 0774



Abstract: - Blockchain is very emerging trend in recent years; it is basically decentralized approach which provides transparencyto transactional data. Various researchers already introduces blockchain and its state of art, it is too much effective in a large data processing as well as global transactional systems. In this paper we introduce blockchain base E-certificate generation using cloud environment. Basically in real time environment it is hard to carry educational or other important documentaries. Some confidential information should be leak from various centralized systems when any resource has compromised with attackers. In this system we provide drastic supervision base blockchain technique to generate e certificate according to submitted documentary by respective student as well as user. The system illustrates into four different sections. First we defines user can upload his documentary or educational certificates, similarly the middleware authority known as Third Party Auditor(TPA) will verify such documents from authenticated organization. If the entire documents have authorized then it dynamically generate e-certificate with QR code and unique serial identification number. Once this process has done whole information has stored into various data nodes and it returns QR code as well as UID to student. Moreover when any organization wants to verification documentary of respect to student he can submit the QR code or are given Unique Identification number to respective organization. When such organizations will verify the student’s data the blockchain will provide consistentinformation after the secure authentication. In entire execution we have written open Smart contract, had generation approachusing SHA family algorithm, mining algorithm to generator valid hash, in consensus algorithm to evaluate the proof of work.

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