The latest articles on Developers Forum for XinFin XDC Network by Shalini (@shalini_fac45b8e4af414f4a). https://www.xdc.dev/shalini_fac45b8e4af414f4a https://www.xdc.dev/images/2_P-tCKFZoo2Jyt59nhzuBCAGWqZsxBl3XOuw5FB8Oc/rs:fill:90:90/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL3VzZXIvcHJv/ZmlsZV9pbWFnZS8y/NTkvMDM5NWViZTgt/MzAzNC00OGY3LTg2/YmUtZGNmOTIwNmU5/YjM3LnBuZw https://www.xdc.dev/shalini_fac45b8e4af414f4a en Shalini Thu, 22 Sep 2022 13:38:52 +0000 https://www.xdc.dev/shalini_fac45b8e4af414f4a/certificate-verification-using-blockchain-ipfs-1017 https://www.xdc.dev/shalini_fac45b8e4af414f4a/certificate-verification-using-blockchain-ipfs-1017 <h2> <strong>Inspiration</strong> </h2> <p>The inspiration for this project came upon mainly to resolve the manual work of verifying marksheets and to check the genuinity of the marksheets provided by the institution/university.</p> <p><a href="https://www.xdc.dev/images/L8LF_EzX7_d5hqqCa3NlNt5z7aG9sLZ0IublUfTdcvA/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3E5Znl1MmE5d3Yz/bWwxdnpkdmYxLmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/L8LF_EzX7_d5hqqCa3NlNt5z7aG9sLZ0IublUfTdcvA/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3E5Znl1MmE5d3Yz/bWwxdnpkdmYxLmpw/ZWc" alt="Image description" width="402" height="126"></a></p> <h2> <strong>What it does</strong> </h2> <ul> <li>The purpose of this project is to reduce the time taken for the certificate verification process. </li> <li> To keep the records safely in the Block Chain network without any third-party involvement in a decentralized environment safely.</li> </ul> <h2> <strong>Certificate Authority</strong> </h2> <h2> Admin Side </h2> <ul> <li>Admin uploads the student details from the database.</li> <li>Admin uploads the marksheet in IPFS.</li> <li>Generated hash is stored in the blockchain network.</li> <li>On the request of the user, login credentials are given. </li> </ul> <h2> - By using that, the user can login and verify their certificates/marksheets. </h2> <p><a href="https://www.xdc.dev/images/tKr0s2O2BQgKDqMsMfGarS-5smo67fBdPjmlhKZFuaA/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3FscHB6MDk4bnUy/bGYzNnE5enF1Lmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/tKr0s2O2BQgKDqMsMfGarS-5smo67fBdPjmlhKZFuaA/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3FscHB6MDk4bnUy/bGYzNnE5enF1Lmpw/ZWc" alt="Image description" width="216" height="218"></a></p> <h2> User Side </h2> <ul> <li>Request the login credentials from the admin.</li> <li>After receiving the login credentials, they can login &amp; can upload their certificate. </li> <li>On clicking the verify option, a hash is generated &amp; that hash is checked with the hash that has already been stored in the block chain network.</li> </ul> <ol> <li>If the same images are uploaded, the hashes generated will be equal &amp; genuine.</li> <li>If the uploaded image is different, a different hash will be generated.</li> </ol> <p><a href="https://www.xdc.dev/images/ZOKlTLJ1FkD4CuLlrXEhLRfS_KTn5QBpblTXJQ8o2gQ/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L29lcjYya3Jkbnht/YWRsNGIweml0Lmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/ZOKlTLJ1FkD4CuLlrXEhLRfS_KTn5QBpblTXJQ8o2gQ/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L29lcjYya3Jkbnht/YWRsNGIweml0Lmpw/ZWc" alt="Image description" width="224" height="224"></a></p> <h2> <strong>How we built it</strong> </h2> <ul> <li>We built this using remix.xinfin.network using XDCpay, solidity, React js , jquery, bootstrap.</li> <li>The Certificates are stored and retrieved using IPFS.</li> </ul> <p><a href="https://www.xdc.dev/images/X0ANASUFyvCvtk15z_LhIo_wCzzOYiY53S7k-pXcCv0/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3JkYnVldzB4YXk2/eTNhd25ma2c1Lmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/X0ANASUFyvCvtk15z_LhIo_wCzzOYiY53S7k-pXcCv0/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3JkYnVldzB4YXk2/eTNhd25ma2c1Lmpw/ZWc" alt="Image description" width="178" height="170"></a></p> <p><a href="https://www.xdc.dev/images/m_VsL5UiKCYY_uZYQXUPFmLAF1TFS1ZGXyfa2wOEo4g/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3RoMW50MXlwYjJs/ZDR1ejY2aGxpLmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/m_VsL5UiKCYY_uZYQXUPFmLAF1TFS1ZGXyfa2wOEo4g/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3RoMW50MXlwYjJs/ZDR1ejY2aGxpLmpw/ZWc" alt="Image description" width="157" height="167"></a></p> <p><a href="https://www.xdc.dev/images/wb4cXCAUcHxYOqlnMqMr4EJl9HdXuzUCZWRFDM2llmQ/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3BpazNoN3FxcTJi/bWo0NmNycmJuLmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/wb4cXCAUcHxYOqlnMqMr4EJl9HdXuzUCZWRFDM2llmQ/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/L3BpazNoN3FxcTJi/bWo0NmNycmJuLmpw/ZWc" alt="Image description" width="225" height="175"></a></p> <h2> <strong>Challenges we ran into</strong> </h2> <ul> <li> The challenges we ran into were to minimize the transaction fees per transaction.</li> <li> Keeping up with the current technology &amp; updates which supports the solidity and other blockchain works.</li> </ul> <p><a href="https://www.xdc.dev/images/qyQNpSPGuqUZTgxBAHNx54GIwI1-p-Ze007C_Kx6Swg/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/LzUycG1hMjloMW5h/anJndTRiZWw5Lmpw/ZWc" class="article-body-image-wrapper"><img src="https://www.xdc.dev/images/qyQNpSPGuqUZTgxBAHNx54GIwI1-p-Ze007C_Kx6Swg/w:880/mb:500000/ar:1/aHR0cHM6Ly93d3cu/eGRjLmRldi91cGxv/YWRzL2FydGljbGVz/LzUycG1hMjloMW5h/anJndTRiZWw5Lmpw/ZWc" alt="Image description" width="252" height="169"></a> </p> <h2> <strong>Accomplishments that we're proud of</strong> </h2> <p><strong>.</strong> </p> <ul> <li>We were able to store &amp; retrieve the data(certificate) and hash from the blockchain which helps many institutions, companies to reduce cost and time.</li> <li>What we learned</li> <li>After uploading a data in the blockchain network it is impossible to hack.</li> <li>By implementing this technology for this problem, any change in the blockchain network can be identified easily - Counterparty risk removal </li> <li>(No Alteration).</li> <li>Trust maximized agreement – Unbreakable promises.</li> </ul> <h2> <strong>What's next for Certificate Verification</strong> </h2> <ul> <li> We are planning to implement the Certification Verification mechanism using blockchain concept in our college and in a large-scale market.</li> <li> We are also going to implement this by creating an app by which a large amount of people can benefit with just a click of a button.</li> </ul>