The Science and Information (SAI) Organization publishes open-access peer-reviewed journals in computer science and artificial intelligence.
IJACSA research on blockchain — including blockchain scalability, decentralized sharing-economy models, and blockchain's role in network security.
Published in International Journal of Advanced Computer Science and Applications (IJACSA) · list last refreshed August 2026
Secure personal data sharing remains a critical challenge in decentralized systems due to concerns over privacy, compliance, and trust. This paper presents the formal verification of a Blockchain-Based Security Model (BS…
Byzantine Fault Tolerance (BFT) is a class of faulttolerance techniques in the field of distributed computing. Aiming at the risks of error-prone and tampering data brought by the centralized database in the traditional…
In the era of rapid development of digital communication, there is a growing need for technologies that guarantee secure user identification, document authentication and protection of personal data, including biometrics.…
Although Bitcoin enables pseudonymous peer-to-peer digital transactions, its transparent public ledger architecture allows for blockchain analysis that can compromise user anonymity. Despite the presence of wallets with…
Blockchain is a major component of future smart healthcare that can improve the security, reliability, trust and automation of healthcare supply chain processes. Blockchain has several applications in areas such as medic…
The blockchain technology is an innovative tool that has shown its effectiveness in many sectors such as health-care and many are likely to experience a revolutionary transformation. In healthcare, the blockchain functio…
The protection of sensitive medical information has become a critical concern in modern digital healthcare. This study introduces a Hybrid Architecture that ensures secure and reliable healthcare data management through…
Food waste is a global issue, one-third of all food produced is lost every year. This study introduces FoodSharePro, an integrated mobile-based Waste Food Management System that connects food donation and composting. The…
The overlap of perceptual hashing technologies with blockchain is an interesting answer to strengthen copyright protection of sound in decentralized networks. As the music society still has to endure attacks on unauthori…
This study evaluates a four-factor authentication protocol designed for IoT healthcare systems, identifying several key vulnerabilities that could compromise its security. The analysis highlights risks associated with no…
