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A trust protocol with multiple levels of access: case study with blockchain in medical applications

Grant number: 18/18187-3
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): April 01, 2019
Effective date (End): October 31, 2020
Field of knowledge:Physical Sciences and Mathematics - Computer Science - Computer Systems
Principal Investigator:Jó Ueyama
Grantee:Erikson Júlio de Aguiar
Host Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated scholarship(s):19/19913-2 - Preserving-privacy on blockchain-based model to healthcare: a case study to multimedia data, BE.EP.MS


The Blockchain technology has been gaining visibility in the market and the academic environment, due to its characteristics that allow to boost the security and reliability and robustness of distributed systems. Several areas are being considered with advances in research using this technology, such as: (i) finance, (ii) environment sensing, (iii) data analysis, and (iv) health. It is possible to emphasize that the characteristics of data immutability, privacy, transparency, decentralization and distributed ledger all contribute significantly to Blockchain being applicable by solutions in several areas. In this sense, it is highlighted that one of the contexts that can benefit from this approach is the sharing of medical records for research purposes. This type of information contains confidential patient data, which makes this sharing process more complex because of the risks of privacy breach. From this perspective, this research project has as main aim to propose a Blockchain based protocol of multiple levels of access, that is safe and manageable for the sharing of medical images. In addition, such a proposal should provide the institutions (medical and research) of your network the ability to track and audit the shared data. In brief, this project proposal aims to contribute with advances in multidisciplinary areas by proposing and evaluating a protocol that is able to facilitate the intersection of information between the medical and computer areas. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE AGUIAR, ERIKSON JULIO; FAICAL, BRUNO S.; KRISHNAMACHARI, BHASKAR; UEYAMA, JO. A Survey of Blockchain-Based Strategies for Healthcare. ACM COMPUTING SURVEYS, v. 53, n. 2, . (18/17335-9, 18/18187-3)
DE AGUIAR, ERIKSON J.; DOS SANTOS, ALYSON J.; MENEGUETTE, RODOLFO I.; DE GRANDE, ROBSON E.; UEYAMA, JO. A blockchain-based protocol for tracking user access to shared medical imaging. FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE, v. 134, p. 13-pg., . (18/18187-3, 18/17335-9)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
AGUIAR, Erikson Júlio de. A blockchain-based framework towards privacy preserving in health data sharing. 2021. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Ciências Matemáticas e de Computação (ICMC/SB) São Carlos.

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