A Smart Contract-Based Access Control Framework For Smart Healthcare Systems DOI
Amal Abid, Saoussen Cheikhrouhou, Slim Kallel

et al.

The Computer Journal, Journal Year: 2022, Volume and Issue: 67(2), P. 407 - 422

Published: Dec. 30, 2022

Abstract Security faces huge challenges in Internet of Things (IoT) environments. In particular, conventional access control standards and models tend to be less tailored for IoT due the constrained nature smart objects. Usually, a powerful third party is used handle logic. However, this lacking transparency could harm user privacy. Therefore, providing distributed solution, while considering privacy-preserving awareness systems, paramount importance. The described issue can addressed using emergent Blockchain technology that provides promising choice build new generation decentralized transparent solutions. This paper proposes contract-based framework healthcare which based on contracts provide trustworthy control, combined with GTRBAC model express fine-grained policies temporal authorization constraints. To prove feasibility validity proposed framework, also detailed technical description an initial implementation execution. An experimental evaluation shows security properties’ analyses achieved best possible no vulnerabilities found, cost operations increases linearly as number policy constraints increases. Besides, comparative analysis reveals approach achieve good results low gas costs latency.

Language: Английский

Blockchain-based privacy and security preserving in electronic health: a systematic review DOI Open Access

Kianoush Kiania,

Seyed Mahdi Jameii, Amir Masoud Rahmani

et al.

Multimedia Tools and Applications, Journal Year: 2023, Volume and Issue: 82(18), P. 28493 - 28519

Published: Feb. 17, 2023

Language: Английский

Citations

45
NovidChain: Blockchain‐based privacy‐preserving platform for COVID‐19 test/vaccine certificates DOI Open Access
Amal Abid, Saoussen Cheikhrouhou, Slim Kallel

et al.

Software Practice and Experience, Journal Year: 2021, Volume and Issue: 52(4), P. 841 - 867

Published: May 18, 2021

Abstract The COVID‐19 pandemic has emerged as a highly transmissible disease which caused disastrous impact worldwide by adversely affecting the global economy, health, and human lives. This sudden explosion uncontrolled spread of revealed limitations existing healthcare systems regarding handling public health emergencies. As governments seek to effectively re‐establish their economies, open workplaces, ensure safe travels progressively return normal life, there is an urgent need for technologies that may alleviate severity losses. article explores promising solution secure Digital Health Certificate, called NovidChain, Blockchain‐based privacy‐preserving platform test/vaccine certificates issuing verifying. More precisely, NovidChain incorporates several emergent concepts: (i) Blockchain technology data integrity immutability, (ii) self‐sovereign identity allow users have complete control over data, (iii) encryption Personally Identifiable Information enhance privacy, (iv) W3C verifiable credentials standard facilitate instant verification proof, (v) selective disclosure concept permit user share selected pieces information with trusted parties. Therefore, designed meet high level protection personal in compliant GDPR KYC requirements, guarantees user's self‐sovereignty, while ensuring both safety populations right privacy. To prove security efficiency proposed platform, this also provides detailed technical description, proof‐of‐concept implementation, different experiments, comparative evaluation. evaluation shows better financial cost scalability results compared other solutions. we note difference time between operations (i.e., 46% 56%). Furthermore, confirms ensures properties, particularly integrity, forge, binding, uniqueness, peer‐indistinguishability, revocation.

Language: Английский

Citations

93
LoRaChainCare: An IoT Architecture Integrating Blockchain and LoRa Network for Personal Health Care Data Monitoring DOI Creative Commons
Bouthaina Dammak, Mariem Turki, Saoussen Cheikhrouhou

et al.

Sensors, Journal Year: 2022, Volume and Issue: 22(4), P. 1497 - 1497

Published: Feb. 15, 2022

Over the past several years, adoption of HealthCare Monitoring Systems (HCS) in health centers and organizations like hospitals or eldery homes growth significantly. The such systems is revolutionized by a propelling advancements IoT Blockchain technologies. Owing to technological advancement sensors market, innovations HCS monitor patients status have motivated many countries strength their efforts support citizens with care delivery under directives physician who has access patient's data. Nevertheless, secure data sharing principal concern be comfort use systems. Current are not able provide reassuring security policies. For that, one our focus this work, countermeasures, likewise cost-efficient solution for integrating storage model based on Interplanetary File (IPFS). technology an emerging pharmaceutical industry starts take place allows providers track connected devices control shared data, hence protecting patients' privacy. Furthermore, addition Edge Fog computing improved react real-time enhance reliability. A variety communication protocols can connect sensor edge/Fog layer best choice will depend upon connectivity requirements: range, bandwidth, power, interoperability, security, Instead, efficiency would decline hurt if protocol inconsistent. LoRa (Long Range) communications as leader among Low-Power Wide-Area Networks (LPWANs) entering domain benefiting from features long-range distances low power consumption. This work proposes LoRaChainCare, architecture which combines technologies Blockchain, Fog/Edge computing, protocol. real implementation LoRaChainCare system presented evaluated terms cost, run time

Language: Английский

Citations

47
Blockchain Technology and Virtual Asset Accounting in the Metaverse: A Comprehensive Review of Future Directions DOI Creative Commons
Ahmad AL-Hawamleh, Marwan Altarawneh,

Heba Mousa Mousa Hikal

et al.

International Journal of Computing and Digital Systems, Journal Year: 2024, Volume and Issue: 15(1), P. 1595 - 1614

Published: April 6, 2024

This research focuses on the metaverse's evolving trend and potential application of blockchain technology in accounting virtual assets this digital domain.The metaverse introduces a new economy which users may earn real-world revenue through activities, necessitating need for efficient dependable asset accounting.Blockchain technology, with its decentralized immutable record, appears to be viable answer these problems.This paper discusses present status as well role businesses economy.It also determines technology's issues limits makes recommendations further development.The approach study is based comprehensive review existing literature interactions between accounting, metaverse.The findings indicate that has transform by improving security, transparency, consistency.However, scalability legal/regulatory must overcome before it can completely achieve promise.Accounting experts, developers, stakeholders interested convergence will find useful.

Language: Английский

Citations

14
Disruptive Solutions for Carbon Neutrality and Sustainable Development: Evidence From CS‐ARDL Approach DOI Open Access

Sunil Tiwari,

Arshian Sharif

Sustainable Development, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

ABSTRACT Net zero emission and attainment of SDG‐13 was the core agenda in COP 26, 27, 28. In this regard, present study measures nexus between environmental policy stringency, renewable energy, green technology innovation, globalization, carbon emissions. The CS‐ARDL model is utilized to said variables G7 (Canada, France, Germany, Italy, Japan, United Kingdom, States) nations. Results reveal that emissions, globalization are positively associated with innovation strongly impact development implementation innovations long run, particularly by CO 2 emission. Whereas short aforementioned associations impacts weak less impactful besides emissions innovation. Overall findings show powerful most crucial tool for reduction climate change impacts. Policy implications suggested attain net nations through its products, processes, practices.

Language: Английский

Citations

1
Sharing Pandemic Vaccination Certificates through Blockchain: Case Study and Performance Evaluation DOI Creative Commons
José L. Hernández-Ramos, Γεώργιος Καρόπουλος, Dimitris Geneiatakis

et al.

Wireless Communications and Mobile Computing, Journal Year: 2021, Volume and Issue: 2021(1)

Published: Jan. 1, 2021

During 2021, different worldwide initiatives have been established for the development of digital vaccination certificates to alleviate restrictions associated with COVID‐19 pandemic vaccinated individuals. Although diverse technologies can be considered deployment such certificates, use blockchain has suggested as a promising approach due its decentralization and transparency features. However, proposed solutions often lack realistic experimental evaluation that could help determine possible practical challenges platform this purpose. To fill gap, work introduces scalable, blockchain‐based secure sharing or other disease certificates. As an indicative case, we emulate large‐scale by considering countries European Union. The is evaluated through extensive experiments measuring computing resource usage, network response time, bandwidth. Based on results, scheme shows satisfactory performance across all major criteria, suggesting it set pace real implementations. Vis‐à‐vis related work, novel, especially prism large‐scale, full‐fledged implementation assessment.

Language: Английский

Citations

37
Advanced data integration in banking, financial, and insurance software in the age of COVID‐19 DOI Open Access
Moinak Maiti, Darko Vuković, Amrit Mukherjee

et al.

Software Practice and Experience, Journal Year: 2021, Volume and Issue: 52(4), P. 887 - 903

Published: Aug. 15, 2021

This study contributes to our understanding of how the emergence COVID-19 pandemic changes global Banking Financial Services and Insurance (BFSI) landscape. Before pandemic, BFSIs corporate strategy was solely aligned quest for operational efficiency. However, during ongoing are forced adopt digital transformation in their operations due a rise transaction volumes. The already triggers holistic innovations concerning BFSI's product, process, concept, trend, or idea. Thus, BFSI cannot survive without efficient innovative system software operations. plots hype cycle identify relevant technologies deal with real-world business problems. indicates that need advanced data integration is growing has triggered it. argues incorporation might be challenging initially but eventually it may result an model handle these types unexpected circumstances.

Language: Английский

Citations

35
Blockchain–Cloud Integration: A Survey DOI Creative Commons
Abhirup Khanna, Anushree Sah, Vadim Bolshev

et al.

Sensors, Journal Year: 2022, Volume and Issue: 22(14), P. 5238 - 5238

Published: July 13, 2022

Over the last couple of years, Blockchain technology has emerged as a game-changer for various industry domains, ranging from FinTech and supply chain to healthcare education, thereby enabling them meet competitive market demands end-user requirements. gained its popularity after massive success Bitcoin, which it constitutes backbone technology. While blockchain is still emerging finding foothold across Cloud computing comparatively well defined established. Organizations such Amazon, IBM, Google, Microsoft have extensively invested in continue provide plethora related services wide range customers. The pay-per-use policy easy access resources are some biggest advantages Cloud, but continues face challenges like data security, compliance, interoperability, management. In this article, we present integrating along with applications Blockchain-as-a-Service. article presents itself detailed survey illustrating recent works combining amalgamation both technologies. also talks about blockchain-cloud being offered by existing Service providers.

Language: Английский

Citations

26
A Review of Blockchain Approaches for KYC DOI Creative Commons
Nafees Mansoor,

Kaniz Fatema Antora,

Priyata Deb

et al.

IEEE Access, Journal Year: 2023, Volume and Issue: 11, P. 121013 - 121042

Published: Jan. 1, 2023

The traditional Know Your Customer (KYC) procedure used by banks is deemed unreliable and costly. Therefore, the adoption of emerging technologies essential for banking firms' future prospects. One such technology that has gained widespread acceptance Blockchain, which known its dependability security across various fields. This study aims to investigate how implementation Blockchain can modify existing business, particularly KYC document verification process, storing monitoring information. current need an optimized system paramount, one coupled with a secure trustworthy like withstand fraudulent activities while also overcoming scalability privacy challenges. article analyses previous relevant works, highlight eliminates intermediaries, thereby reducing possibility malicious errors may occur when there are multiple manual tasks involved.

Language: Английский

Citations

15
A Survey on Digital Certificates Approaches for the COVID-19 Pandemic DOI Creative Commons
Γεώργιος Καρόπουλος, José L. Hernández-Ramos, Vasileios Kouliaridis

et al.

IEEE Access, Journal Year: 2021, Volume and Issue: 9, P. 138003 - 138025

Published: Jan. 1, 2021

Digital COVID-19 certificates serve as reliable proof that an individual was vaccinated, tested negative, or healed from COVID-19, facilitating health, occupational, educational, and travel activities during the pandemic. This paper contributes first to our knowledge state-of-the-art holistic review of this ecosystem, attempting answer following questions: 1) is there a harmonization among academia, organizations, governments in terms certificate deployment technology?; 2) what proliferation such schemes worldwide how similar are they?; 3) smartphone applications accompany privacy-preserving end-user's perspective? To respond these questions, four-tier approach followed: (a) we scrutinize so far academic works suggesting some type digital certificate, highlighting common characteristics weaknesses; (b) constructively report on different initiatives proposed by organizations alliances; (c) briefly 54 country around globe; (d) analyze both statically dynamically all official Android offered for reveal possible hiccups affecting security privacy end-user. From bird's eye view, great majority developed follow either blockchain model asymmetric cryptosystem, spread especially Europe partly Asia high, degree distinctiveness relevant countries does exist, substantial variations regarding level between one hand America other.

Language: Английский

Citations

31