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                 <h1>Certificate verification on blockchain</h1>
-                <sm-button variant="outlined" class="concept-presentation"><a href="https://ranchimall.github.io/flowallet/#/transactions?id=FFCpiaZi31TpbYw5q5VNk8qJMeDiTLgsrE" target="_blank">Concept Presentation</a></sm-button>
+                <sm-button variant="outlined" class="concept-presentation"><a href="https://ranchimall.github.io/flowallet/#/transactions/FFCpiaZi31TpbYw5q5VNk8qJMeDiTLgsrE" target="_blank">Concept Presentation</a></sm-button>
                 <p>At RanchiMall, all certificates are issued primarily on the blockchain. If both sender and receiver blockchain addresses are RanchiMall's authorized addresses, the certificate verifier verifies the certificate and returns a URL for the blockchain transaction.</p>
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+                    <a href="https://ranchimall.github.io/flowallet/#/transactions/FFCpiaZi31TpbYw5q5VNk8qJMeDiTLgsrE" target='_blank' class="card link">
                         <img src="resources/certificateissuer.jpeg" alt="">
                         <h4>Certificate Issuer Blockchain Address</h4>
                         <p></p>