Design of a Blockchain-Based Traceability System with a Privacy-Preserving Scheme of Zero-Knowledge Proof

<table class="algorithm-group"><tr><td><table class="algorithm" id="alg5"><tr><td> </td><td><b>Input:</b> proof, TF</td></tr><tr><td> </td><td><b>Output:</b> TP, result</td></tr><tr><td>(1)</td><td>TDA.subscribe(TA,TDP)</td></tr><tr><td>(2)</td><td>TraceabilityResult = TDA.verify(ProofAddr, Proof|ProofFeature)</td></tr><tr><td>(3)</td><td>If TraceabilityResult = = satisfied:</td></tr><tr><td>(4)</td><td> Finish tracing</td></tr><tr><td>(5)</td><td>If TraceabilityResult = = not satisfied</td></tr><tr><td>(6)</td><td> Restart traceability process()</td></tr><tr><td>(7)</td><td>Return tracing failed</td></tr></table></td></tr></table>

<div>Algorithm 5 Verification algorithm.</div>

Security and Communication Networks

alg5

: Design of a Blockchain-Based Traceability System with a Privacy-Preserving Scheme of Zero-Knowledge Proof 