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Fields Medical Life Sciences Information Communication Environment Nanotechnology / Materials Energy Manufacturing Technology Social Infrastructure Frontier Liberal Arts Themes Researchers JP Top Information Communication Blockchain-based Approachs for High Secure P2P-type Decentralized Cloud Storage and Practical Smart Contract for Trading Personal Data Blockchain-based Approachs for High Secure P2P-type Decentralized Cloud Storage and Practical Smart Contract for Trading Personal Data JAPANESEINQUIRY update：2020/06/16     NEXT PREV Features and Uniqueness We are developing a decentralized P2P (Peer to Peer) type cloud storage that realizes innovative level of security by use of surplus storages of P2P nodes with the Blockchain technology. The developed storage can avoid the risk of large-scale information leakage of stored data due to the weakness of the central server. By using our cryptographic currency for rewards and usage fees in the storage, fair storage usage of all users can also be achieved. In addition, We are developing a unique smart contract technology for practical decentralized trading of personal data among an unspecified number of users. Practical Application We hope to conduct collaborative researches with companies developing Bitcoin 2.0 type application (e.g. smart contract, Fintech) based on the Blockchain technology, the Internet of Things (IoT) technology, Medical Database for practical use. Keywords Blockchain Bitcoin 2.0 Secret sharing P2P (Peer to Peer) Cloud Storage Privacy Security Crypto-currency Smart Contract Personal Information Trade Researchers Center for Data-driven Science and Artificial Intelligence Masao Sakai, Associate ProfessorDoctor of Engineering Laboratory Website researchmap Laboratory Website researchmap Related Information PublicationA Proposal of a Secure P2P-type Storage Scheme by using the Secret Sharing and the Blockchain, Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi, The 31-st IEEE International Conference on Advanced Information Networking and Applications (AINA-2017), 27-29 March 2017.A Method for Constructing an Autonomous Decentralized P2P Storage with High Confidentiality and Reliability, Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Masao Sakai, 2017 Fifth International Symposium on Computing and Networking (CANDAR), 19-22 Nov. 2017A Method for a Practical Smart Contract by using Blockchain and Centralized Server, Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Naoki Iwata, Jun-ya Iwazaki, Eisuke Koizumi, Tsuneo Nakata, Masao Sakai, Security Psychology & Trust (SPT), 2018-SPT-29(8),1-7 (2018-07-18) , 2188-8671 (in Japanese). Browsing History User Who Reviewed This Content Also Reviewed Extracorporeal Shock Wave Therapy as a New, Non-Invasive Angiogenic Therapy [ SHIMOKAWA Hiroaki Professor ] Molecular Imaging from Basic Research to Clinical Application [ YANAI Kazuhiko Professor ] Advanced Educational Environment with Interactive Instruction System IMPRESSION [ Takashi Mitsuishi Associate Professor ] Research Profiles ©TOHOKU UNIVERSITY How to Use FAQ For Researchers Site Policy [jp] ©TOHOKU UNIVERSITY Fields Medical Life Sciences Information Communication Environment Nanotechnology / Materials Energy Manufacturing Technology Social Infrastructure Frontier Liberal Arts Fields Themes Researchers 日本語 ENGLISH Close