## 4 Case Study Implementation Using Hyperledger Fabric
This research was supported by Energy Cloud R&D Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Science, ICT (2019M3 FZA1073387), and this research was supported by the MSIT(Ministry of Science and ICT), Korea, under the ITRC(Information Technology Research Center) support program(IITP-2019-2014-1-00743) supervised by the IITP(Institute for Information & communications Technology Planning & Evaluation). Any correspondence related to this paper should be addressed to [PERSON]. The authors declare no conflict of interest. ## References

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