발간년도 : [2019]
| 논문정보 |
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| 논문명(한글) |
[Vol.14, No.2] A Block Chain based Service Architecture for Improving Transparency of Online Transaction |
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| 논문투고자 |
Chul-Jin Kim |
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| 논문내용 |
Based on the block chain platform, new systems are being developed and studied in various fields. Since the development of new system based on block chain is a transition from the existing centralized server to the decentralized system, existing systems can not be used and new ones should be developed. Therefore, the development of a decentralization system based on the block chain is expected to take additional time and cost. In this paper, we propose a method to decentralize on the basis of block chain while maintaining existing online system. We propose an architecture for integrating existing online systems and block chains without developing new ones. By integrating the block chain with the existing online system, transparency of the transaction data occurring in the existing online system can be guaranteed. In this paper, we use the connection adapter for interworking with the Hyperledger Fabric based block chain. The connection adapter calls the REST API to store and update the transaction data in the ledger in the Hyperledger Fabric. We also propose a process of distributing and synchronizing chain codes between peers managing the ledger in Hyperledger Fabric. In the case study, we confirmed that transparency of transaction data can be secured by integrating with online shopping mall service and Hyperledger Fabric. |
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