Tohoku University Technology: P2P-type distributed online storage: T14-123
Highly confidential online storage using blockchain and secret sharing method
This invention realizes a P2P-type cloud storage mechanism based on the secret sharing method. Impossible to identify the saving destination Data is splited and stored in participating nodes. In addition, node-to-node communication is anonymous, making it secure and difficult to identify the storage location. The client doesn’t need to retain metadata Reduce the risk of metadata leak by decentralizing its storage in addition to the secret data itself by using the blockchain. Possible to retrieve data securely Secret data can be retrieved using user name and password. It can detect and eliminate brute force attack on username and password by mutual monitoring and majority voting among P2P nodes.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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