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Muhammad Bin Saif, Sara Migliorini and Fausto Spoto
Blockchain technology has been successfully applied in recent years to promote the immutability, traceability, and authenticity of previously collected and stored data. However, the amount of data stored in the blockchain is usually limited for economic ...
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Geneci da Silva Ribeiro Rocha, Diego Durante Mühl, Hermenegildo Almeida Chingamba, Letícia de Oliveira and Edson Talamini
Information technologies such as blockchain are developing fast, overcoming bottlenecks, and quickly taking advantage of their application. The present study analyzes recent changes concerning the benefits, disadvantages, challenges, and opportunities of...
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Shams Mhmood Abd Ali, Mohd Najwadi Yusoff and Hasan Falah Hasan
The continuous advancements of blockchain applications impose constant improvements on their technical features. Particularly immutability, a highly secure blockchain attribute forbidding unauthorized or illicit data editing or deletion, which functions ...
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Ricardo Martins Gonçalves, Miguel Mira da Silva and Paulo Rupino da Cunha
The immutability of data stored in a blockchain is a crucial pillar of trust in this technology, which has led to its increasing adoption in various use cases. However, there are situations where the inability to change or delete data may be illegal. Eur...
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Mahmoud Bidry, Abdellah Ouaguid and Mohamed Hanine
Blockchain represents a decentralized and distributed ledger technology, ensuring transparent and secure transaction recording across networks. This innovative technology offers several benefits, including increased security, trust, and transparency, mak...
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Leina Abdelgalil and Mohamed Mejri
Electronic health records (EHRs) play an important role in our life. However, most of the
time, they are scattered and saved on different databases belonging to distinct institutions (hospitals,
laboratories, clinics, etc.) geographically distributed acr...
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Gousia Habib, Sparsh Sharma, Sara Ibrahim, Imtiaz Ahmad, Shaima Qureshi and Malik Ishfaq
The real-world use cases of blockchain technology, such as faster cross-border payments, identity management, smart contracts, cryptocurrencies, and supply chain?blockchain technology are here to stay and have become the next innovation, just like the In...
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Haifa Alanzi and Mohammad Alkhatib
An identity management system (IDMS) manages and organizes identities and credentials information exchanged between users, identity providers (IDPs), and service providers (SPs) to ensure confidentiality and enhance privacy of users? personal data. Tradi...
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Hosam Aljihani, Fathy Eassa, Khalid Almarhabi, Abdullah Algarni and Abdulaziz Attaallah
With the rapid increase of cyberattacks that presently affect distributed software systems, cyberattacks and their consequences have become critical issues and have attracted the interest of research communities and companies to address them. Therefore, ...
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Victoria L. Lemieux
Distributed ledger technologies (DLT), including blockchains, combine the use of cryptography and distributed networks to achieve a novel form of records creation and keeping designed for tamper-resistance and immutability. Over the past several years, t...
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