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2022 | OriginalPaper | Chapter

Privacy-Preserving Record Linkage with Block-Chains

Authors : Apoorva Jain, Nisheeth Srivastava

Published in: Cyber Security, Privacy and Networking

Publisher: Springer Nature Singapore

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Abstract

We present a method for privacy-preserving record linkage of partially de-identified data. The key novelty of our proposed method is the use of a block-chain to store user information, preventing privacy leaks even if all system databases and cryptographic protocols have been compromised by an adversary, including databases containing identifying information. While satisfying this stringent privacy constraint, the system remains able to deterministically link and retrieve de-identified records to unique identities. With logarithmic time complexity to perform linkage and retrieval operations, our method is highly scalable for large-scale use cases. Designed to be HIPAA (Health Insurance Portability and Accountability Act) compliant by default, such systems are easily adaptable to large real-world healthcare systems.

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Metadata
Title
Privacy-Preserving Record Linkage with Block-Chains
Authors
Apoorva Jain
Nisheeth Srivastava
Copyright Year
2022
Publisher
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-16-8664-1_6