Abstract
In the new global economy, data has become an important resource. Sharing data can bring their value into full play. Before the process of data sharing, due to the limitations of personal storage resources, data owners usually upload data to a public cloud server for storage. However, the method of storing data to the cloud cannot guarantee that stored data has not be accessed when its owner is unknown, and such unauthorized access behavior often results in a loss of interest to the data owner. To solve this problem, in this paper, a blockchain-based data sharing architecture is proposed. The architecture uses the way to store meta-data in isolation from raw data to avoid the possibility of user data being stolen and to ensure information security in the process of data sharing. At the same time, it describes a blockchain network model for data sharing to ensure that there is no association between unrelated entities. On the other hand, it also provides a way for data owners to distribute fine-grained access control permissions based on specific scenarios.
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Acknowledgment
This work is supported by CERNET Innovation Project (No. GII20180406), Guangxi Higher Education Undergraduate Teaching Reform Project (No. 2017JGZ135), Beijing Higher Education Young Elite Teacher Project (No. YETP0683), and Beijing Higher Education Teacher Project (No. 00001149).
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Fan, Y. et al. (2020). A Blockchain-Based Data-Sharing Architecture. In: Zheng, Z., Dai, HN., Tang, M., Chen, X. (eds) Blockchain and Trustworthy Systems. BlockSys 2019. Communications in Computer and Information Science, vol 1156. Springer, Singapore. https://doi.org/10.1007/978-981-15-2777-7_52
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DOI: https://doi.org/10.1007/978-981-15-2777-7_52
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