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Toward Privacy-Preserving Shared Storage in Untrusted Blockchain P2P Networks
Open accessAbstract
The shared storage is essential in the decentralized system. A straightforward storage model with guaranteed privacy protection on the peer-to-peer network is a challenge in the blockchain technology. The decentralized storage system should provide the privacy for the parties since it contains numerous data that are sensitive and dangerous if misused by maliciously. In this paper, we present a model for shared storage on a blockchain network which allows the authorized parties to access the data on storage without having to reveal their identity. Ring signatures combined with several protocols are implemented to disguise the signer identity thereby the observer is unlikely to determine the identity of the parties. We apply our proposed scheme in the healthcare domain, namely, decentralized personal health information (PHI). In addition, we present a dilemma to improve performance in a decentralized system.
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“Majority of research in this domain has focused on enhancing the performance of developed systems and architectures through technical improvements, such as unknown root exploitation detection (Firdaus et al., 2018), use of smaller data block sizes (Yang et al., 2019), and improvement of transaction propagation delay (Rahmadika & Rhee, 2019).”
From Blockchain in healthcare: A systematic literature review, synthesizing framework and future research agenda (2020) · cites this paper as Rahmadika & Rhee, 2019
In the citing paper
“In another study, Rahmadika and Rhee (2019 proposed a framework for preserving data privacy in decentralized shared storage on a blockchain network and base their framework on the assumption that the shared storage would have appropriate capacity to support the blockchain system.”
From Blockchain in healthcare: A systematic literature review, synthesizing framework and future research agenda (2020) · cites this paper as Rahmadika and Rhee, 2019
In the citing paper
“Further, in order to improve the scalability (Zhang et al., 2016) and functionality (Wong et al., 2019) of previously proposed frameworks, researchers have called for the need to extend the current technical boundaries of framework development, e.g. by consideration of novel blockchain platforms (Rahmadika & Rhee, 2019).”
From Blockchain in healthcare: A systematic literature review, synthesizing framework and future research agenda (2020) · cites this paper as Rahmadika & Rhee, 2019
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References 14 · Cited by 19
Research works printed but not linked: 23
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Metadata
- Authors
- Rahmadika, S., & Rhee, K.-H.
- Affiliations
- Pukyong National University (KR)
- Corresponding author
- Rhee, Kyung-Hyune
- Venue
- Wireless Communications and Mobile Computing
- Publisher
- Wiley
- Published
- 2019-05-16
- Volume
- 2019
- Pages
- 1-13
- ISSN
- 1530-8669 (ISSN-L)
- 1530-8677
- OpenAlex
- W2946160644
- Cited by
- 19
- References
- 14
- Citations by year
- 2025: 3 · 2023: 1 · 2022: 4 · 2021: 7 · 2020: 3 · 2019: 1
- FWCI
- 4.67
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Wireless Communications and Mobile Computing (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Funders
- Ministry of Science, ICT and Future Planning (IITP-2019-0-00403, NRF-2018R1D1A1B07048944)
- National Research Foundation of Korea (IITP-2019-0-00403, NRF-2018R1D1A1B07048944)
- Topics
- Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
- Physical Sciences › Computer Science › Computer Networks and Communications › Cryptography and Data Security
- Physical Sciences › Computer Science › Information Systems › Blockchain Technology in Education and Learning
- Keywords
- privacy-preserving storage, blockchain, peer-to-peer networks, ring signatures, decentralized storage, personal health data, healthcare data privacy, untrusted nodes, performance trade-offs
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- The paper
- Rahmadika, S., & Rhee, K.-H. (2019). Toward Privacy-Preserving Shared Storage in Untrusted Blockchain P2P Networks. Wireless Communications and Mobile Computing. https://doi.org/10.1155/2019/6219868
