Author

George Drosatos

Athena Research Center

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Conference Jul 2026

A Blockchain-Supported Proof-of-Media-Trust Framework for Decentralised Media Trust Assessment and Disinformation Detection

The proliferation of online news content and the ever-growing threat of disinformation call for trust-assessment mechanisms that are transparent, participatory, and resistant to manipulation. Fully automated approaches can process large volumes of content but lack contextual judgement and public accountability, while c...

Sotirios Gyftopoulos, Dimitrios Chatziamanetoglou, Konstantinos Rantos et al. · International Conference on... · 0 citations

Open access Aug 2026

A Security-Oriented Lifecycle Model for Large Language Model Systems

A lifecycle model for LLM systems is proposed that supports security analysis by structuring it around security-relevant boundaries rather than workflow optimisation, and is supported by a 12-stage LLMOps pillar and a 9-category governance pillar.

Eleftherios Batzolis, George Drosatos, V. Katsouros et al. · ARES · 0 citations