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Background/Objectives: Hyperledger fabric is a blockchain open source project hosted by the Linux foundation. The goal is to create blockchain technology that can be applied across industries such as finance, IoT, logistics, manufacturing and technology. Methods/Statistical analysis: In addition to Hyperledger, there are other blockchain platforms such as R3, Ripple, and Ethereum. The reason why Hyperledger is special is that: 1) it is a private blockchain platform that is suitable for realizing corporate business. The domestic secondary market is growing significantly. The domestic secondary market is over 2 trillion won annually. However, a number of criminal activities are taking place in the second transaction because of the inability to identify one another. Findings: To prevent damage, it is impossible to use the Hyperledger fabric to prove your identity and use chain code to forge post and transaction details. It also prevents fraud, duplicate transactions, counterfeiting and changes. In the case of criminal activity, the relevant nodes are checked to identify the offender's identity and then expedite processing. Improvements/Applications: For this feature, Hyperledger builds a highly reliable secondary trading platform with excellent confidentiality, resilience, flexibility and scalability and the ability to share trading records only with specific members of the network.