Privacy-Preserving Data Management using Blockchains
Michael Mireku Kwakye

TL;DR
This paper introduces a blockchain-based framework that enables data providers to dynamically control and update their privacy preferences, ensuring secure, tamper-resistant, and efficient data management and querying.
Contribution
It presents a novel coupling of data attributes with privacy preferences using blockchain technology for flexible privacy management.
Findings
Efficient query processing on privacy-aware data.
Secure and tamper-resistant data management platform.
Validation shows effective handling of privacy preferences.
Abstract
Privacy-preservation policies are guidelines formulated to protect data providers private data. Previous privacy-preservation methodologies have addressed privacy in which data are permanently stored in repositories and disconnected from changing data provider privacy preferences. This occurrence becomes evident as data moves to another data repository. Hence, the need for data providers to control and flexibly update their existing privacy preferences due to changing data usage continues to remain a problem. This paper proposes a blockchain-based methodology for preserving data providers private and sensitive data. The research proposes to tightly couple data providers private attribute data element to privacy preferences and data accessor data element into a privacy tuple. The implementation presents a framework of tightly-coupled relational database and blockchains. This delivers…
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Taxonomy
TopicsPrivacy-Preserving Technologies in Data · Blockchain Technology Applications and Security · Cloud Data Security Solutions
