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June 8-10, 2021
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Thursday, June 10 • 10:10 - 10:40
Trust Data Sharing and Utilization Infrastructure for Sensitive Data using Hyperledger Avalon - Koshi Ikegawa & Nao Nishijima, Hitachi, Ltd.

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In the World Economic Forum 2019, Data Free Flow with Trust (DFFT) was advocated. Especially for some domains such as medical institutions and governments, where privacy protection is essential, it must handle sensitive data such as healthcare data and personal information. A distributed ledger technology makes it possible to share data among multiple organizations with trust. However, it is not suitable for sensitive data because the distributed ledger discloses stored data to all organizations. In this research, we solve the problem with an approach to store the sensitive data on external storage in a specific organization for each data to avoid sharing the data with all organizations.


Nao Nishijima

Researcher, Hitachi, Ltd.
He has been involved in the architecture, design, and engineering of open source systems and actively engaged in open source development for most of his 10+ years of career. He is currently engaged in the research and development of blockchain platforms and cloud services and contributes... Read More →
avatar for Koshi Ikegawa

Koshi Ikegawa

Associate Researcher, Hitachi, Ltd.
He joined Hitachi, Ltd. as a researcher in April 2019 and is researching and developing blockchain applications. He received a master's degree in engineering at the University of Tsukuba, Japan in 2019. He began contributing to the Hyperledger Projects in 2020.

Thursday June 10, 2021 10:10 - 10:40 CEST
Virtual 2