Blockchain based Certificate Issuing System using Smart Contracts
Meerja vali Shaik1, Ch. Rupa2, M N S Koundinya3, Rohith Gadde4, Harish Donepudi5

1Meerja vali Shaik*, Department of Computer Science and Engineering, VR Siddhartha Engineering College, Vijayawada, Kanuru.
2Ch. Rupa, Professor, Department of Computer Science and Engineering, VR Siddhartha Engineering College, Vijayawada, Kanuru.
3Rohith Gadde, Department of Computer Science and Engineering, VR Siddhartha Engineering College, Vijayawada, Kanuru.
4M N S Koundinya, Department of Computer Science and Engineering, VR Siddhartha Engineering College, Vijayawada, Kanuru.
5Harish Donepudi, Department of Computer Science and Engineering, VR Siddhartha Engineering College, Vijayawada, Kanuru.
Manuscript received on April 20, 2020. | Revised Manuscript received on April 30, 2020. | Manuscript published on May 10, 2020. | PP: 1284-1287 | Volume-9 Issue-7, May 2020. | Retrieval Number: G5907059720/2020©BEIESP | DOI: 10.35940/10.35940/ijitee.G5907.059720
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Nowadays everything seems to be original and it’s being herculean task to identify which is not real. It may be a currency for people or valued currency for students such as certificates. A lot of fraudulent parties have made money by encouraging the duplicate certificates in society. As a result, low talented or inefficient people are getting more and they are being responsible for the degradation of any nation’s value. A blockchain-based certificate is a prime solution for the above problem. In this work, would like to discuss the functioning of a smart contract in favor of Issuing, verifying, and revoking the certificates through gas value[9] deductions. Thus our certificate can provide the added assurances of evidence of origin in a transparent manner using. 
Keywords: Blockchain, Smart contracts, Certificates, Gas value, Transparency.
Scope of the Article: Blockchain-enabled IoT Device and Data Security and Privacy.