MedBlock: Efficient and Secure Medical Data Sharing Via Blockchain
Abstract
With the development of electronic information technology, electronic medical records (EMRs) have been a common way to store the patients' data in hospitals. They are stored in different hospitals' databases, even for the same patient. Therefore, it is difficult to construct a summarized EMR for one patient from multiple hospital databases due to the security and privacy concerns. Meanwhile, current EMRs systems lack a standard data management and sharing policy, making it difficult for pharmaceutical scientists to develop precise medicines based on data obtained under different policies. To solve the above problems, we proposed a blockchain-based information management system, MedBlock, to handle patients' information. In this scheme, the distributed ledger of MedBlock allows the efficient EMRs access and EMRs retrieval. The improved consensus mechanism achieves consensus of EMRs without large energy consumption and network congestion. In addition, MedBlock also exhibits high information security combining the customized access control protocols and symmetric cryptography. MedBlock can play an important role in the sensitive medical information sharing.
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The 'medblock' study failed to provide enough privacy of the patient's identity.
“Although the study [61] ensured higher security concept, it failed to provide enough privacy of the patient's identity.”
From Proof-of-familiarity: a privacy-preserved blockchain scheme for collaborative medical decision-making (2019) · cites this paper as [61]
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- Authors
- Fan, K., Wang, S., Ren, Y., Li, H., & Yang, Y.
- Affiliations
- Xidian University (CN)
- Corresponding author
- Fan, Kai
- Venue
- Journal of Medical Systems
- Published
- 2018-06-21
- Volume
- 42
- Issue
- 8
- Pages
- 136-136
- ISSN
- 0148-5598 (ISSN-L)
- 1573-689X
- OpenAlex
- W2809143401
- Cited by
- 631
- References
- 25
- Citations by year
- 2026: 27 · 2025: 74 · 2024: 93 · 2023: 114 · 2022: 108 · 2021: 94 · 2020: 74 · 2019: 45 · 2018: 2
- FWCI
- 86.44
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Journal of Medical Systems (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Key R&D Program of China (2017YFB0802300)
- National Natural Science Foundation of China (61772403, U1401251)
- Natural Science Basic Research Plan in Shaanxi Province of China (2017JM6004)
- National 111 Program of China (B16037, B08038)
- Topics
- Physical Sciences › Computer Science › Information Systems › Blockchain Technology Applications and Security
- Health Sciences › Health Professions › Health Information Management › Electronic Health Records Systems
- Physical Sciences › Computer Science › Information Systems › Blockchain Technology in Education and Learning
- Keywords
- electronic health records, health data sharing, blockchain, distributed ledger technology, consensus algorithms, access control, symmetric encryption, data privacy, personalized medicine
- MeSH terms
- Confidentiality, Humans, Computer Security, Privacy, Information Dissemination, Electronic Health Records
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