Author

Bilel Zaghdoudi

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2026

VERDICT: A Cryptographically Verifiable Framework for Secure Data Lineage in Decentralized DAGs

This paper introduces a novel secure lineage verification system based on Directed Acyclic Graphs (DAGs) and homomorphic hash functions, VERDICT, which incorporates bucket indexing and Merkle tree verification to provide cryptographic guarantees of data and event existence.

Bilel Zaghdoudi, M. Potop-Butucaru · IACR Cryptology ePrint Archi... · 0 citations

Preprint Jul 2026

FLAIR: Distributed Federated Learning with Dynamic Clustering

FLAIR is introduced, a novel, fully decentralized FL protocol that integrates dynamic, resource-aware secure and self-organized clustering with in-cluster model training, presenting a robust and high performing solution for large-scale, heterogeneous IoT systems.

Ihssan Boutebicha, Bilel Zaghdoudi, Mohamed Amine Legheraba et al. · 0 citations