collaborators

5 papers

cs.CR2026

AmBox: Device-to-Blockchain Ambient Sensing for Food Traceability

João Miguel Guerreiro Fernandes, Samih Eisa, Miguel L. Pardal

From production to consumption, ensuring food quality and traceability depends on reliable monitoring of environmental conditions across the supply chain. Ambient sensing devices c…

cs.CY2026

Integration Adapter Architecture for Food Traceability Blockchain

André Romão, Francisco Faria, João R. Matos +3

Enterprise adoption of permissioned blockchains remains limited due to the complexity and cost of integrating legacy systems. We present a modular adapter architecture that bridges…

cs.CR2026

ChainGuards: Verification of Sensed Data using Permissioned Blockchain Technology

Sara Aguincha, Emanuel Nunes, Samih Eisa +1

Sensor technologies have evolved to a point where it is now practical to monitor products along the supply chain. The collected data can be stored in a decentralized way using bloc…

cs.CR2024

Decentralized Storage And Self-Sovereign Identity For Document-Based Claims

Bruno Gomes, Samih Eisa, David R. Matos +1

Users increasingly rely on identity providers for accessing online services and resources. However, centralized identity systems often compromise user privacy due to online activit…

cs.CR2024

EvoChain: a Recovery Approach for Permissioned Blockchain Applications

Francisco Faria, Samih Eisa, David R. Matos +1

Blockchain technology supports decentralized, consensus-driven data storage and processing, ensuring integrity and auditability. It is increasingly adopted for use cases with multi…