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Blockchain-based multiple groups data sharing with anonymity and traceability
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DOI：10.1007/s11432-018-9781-0.png)
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Abstract
En 中文
Group data sharing enables information sharing between multiple parties for cooperative purposes. However, the existing schemes only consider scenarios in which all parties in the same organization want to share data. Achieving secure data sharing between users of different groups is also a relevant research issue. In this paper, we propose a blockchain-based data sharing scheme for multiple groups with anonymity and traceability. Owing to the consortium blockchain technique, any user in the system can easily verify the validity of the shared data without interacting with a third-party auditor. Additionally, the proposed scheme can not only enable data sharing between different groups with enhanced security anonymously but also achieve traceability and non-frameability.
Keywords:
multiple groups
data sharing
blockchain
anonymity
traceability
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