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Blockchain-based decentralized identity management provides a promising solution to improve the security and privacy of healthcare systems and make them scalable. Traditional Identity Management Systems are centralized, which makes them…

Cryptography and Security · Computer Science 2023-08-01 Arnaf Aziz Torongo , Mohsen Toorani

Blockchain is an incipient technology that offers many strengths compared to traditional systems, such as decentralization, transparency and traceability. However, if the technology is to be used for processing personal data, complementary…

Software Engineering · Computer Science 2020-10-27 Fernanda Molina , Gustavo Betarte , Carlos Luna

Blockchain technology transformed the digital sphere by providing a transparent, secure, and decentralized platform for data security across a range of industries, including cryptocurrencies and supply chain management. Blockchain's…

Cryptography and Security · Computer Science 2023-06-22 Bilash Saha , Md Mehedi Hasan , Nafisa Anjum , Sharaban Tahora , Aiasha Siddika , Hossain Shahriar

In this paper, we propose a robust health record storage and management system built on blockchain technology to address the challenges faced by traditional healthcare record systems. The primary advantage of employing blockchain in…

Cryptography and Security · Computer Science 2024-08-06 Atchiyya Naidu Chitikela

Decentralized applications (dApps) in Decentralized Finance (DeFi) face a fundamental tension between regulatory compliance requirements like Know Your Customer (KYC) and maintaining decentralization and privacy. Existing permissioned DeFi…

Cryptography and Security · Computer Science 2025-10-08 Fabian Piper , Karl Wolf , Jonathan Heiss

To address the challenges of internal security policy compliance and dynamic threat response in organizations, we present a novel framework that integrates artificial intelligence (AI), blockchain, and smart contracts. We propose a system…

Cryptography and Security · Computer Science 2024-12-17 Lampis Alevizos , Vinh Thong Ta

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

Blockchains and distributed ledger technologies allow the operation of manifold decentralised applications (dApps). Such applications are based on smart contracts, a programmable abstraction that is executed in a decentralised manner. To…

Software Engineering · Computer Science 2026-05-22 Fabian Stiehle , Kirill Inozemtsev , Ingo Weber

The work presents a solution for completely decentralized data management systems in geographically distributed environments with administratively unrelated or loosely related user groups and in conditions of partial or complete lack of…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-12-21 Andrey Demichev , Alexander Kryukov

Federated Identity Management has proven its worth by offering economic benefits and convenience to Service Providers and users alike. In such federations, the Identity Provider (IdP) is the solitary entity responsible for managing user…

Cryptography and Security · Computer Science 2023-05-02 Mirza Kamrul Bashar Shuhan , Syed Md. Hasnayeen , Tanmoy Krishna Das , Md. Nazmus Sakib , Md Sadek Ferdous

The disruptive technology of blockchain can deliver secure solutions without the need for a central authority. In blockchain protocols, assets that belong to a participant are controlled through the private key of an asymmetric key pair…

Cryptography and Security · Computer Science 2020-06-26 Mehmet Aydar , Salih Cemil Cetin , Serkan Ayvaz , Betul Aygun

Academic credentials are documents that attest to successful completion of any test, exam or act as a validation of an individual's skill. Currently, the domain of academic credential management suffers from large time consumption, high…

Cryptography and Security · Computer Science 2020-06-24 Chaitanya Bapat

Function-as-a-Service (FaaS) offers a streamlined cloud computing paradigm, but existing centralized systems suffer from vendor lock-in and single points of failure. We propose DeFaaS, a decentralized FaaS system leveraging blockchain…

Software Engineering · Computer Science 2024-04-15 Rabimba Karanjai , Lei Xu , Lin Chen , Nour Diallo , Weidong Shi

Blockchain is a type of decentralized distributed network which acts as an immutable digital ledger. Despite the absence of any central governing authority to validate the blocks in the ledger, it is considered secure and immutable due to…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-09-07 Shashank Joshi

Blockchain, Smart Contracts and Distributed Ledger Technology (DLT) are being touted to revolutionise digital services - through decentralisation. Cryptocurrencies, self-sovereign identities, decentralised certificate registries, and…

Computers and Society · Computer Science 2019-11-01 Joshua Ellul , Gordon Pace

This research introduces the Decentralized Finance (DeFi) TrustBoost Framework, which combines blockchain technology and Explainable AI to address challenges faced by lenders underwriting small business loan applications from low-wealth…

Cryptography and Security · Computer Science 2025-12-02 Swati Sachan , Dale S. Fickett

Decentralization initiatives like Solid enable data owners to control who has access to their data and to stimulate innovation by creating both application and data markets. Once data owners share their data with others, though, it is no…

Multiagent Systems · Computer Science 2023-10-10 Davide Basile , Claudio Di Ciccio , Valerio Goretti , Sabrina Kirrane

The web of today whether you prefer to call it web 2.0, web 3.0, web 5.0 or even the metaverse is at a critical stage of evolution and challenge, largely centered around its crisis of identity. Like teenagers who cannot assess properly…

Computers and Society · Computer Science 2022-12-13 Frederic Jumelle , Timothy Pagett , Ryan Lemand

Artificial Intelligence (AI) has the potential to significantly benefit or harm humanity. At present, a few for-profit companies largely control the development and use of this technology, and therefore determine its outcomes. In an effort…

Computers and Society · Computer Science 2022-11-14 Casey Clifton , Richard Blythman , Kartika Tulusan

A blockchain is a decentralized ledger where all transactions are recorded. For having a reliable blockchain and double-spending prevention, we need a decentralized consensus and agreement on a blockchain. Bitcoin uses proof-of-work (PoW).…

Cryptography and Security · Computer Science 2019-05-06 Siamak Solat