4 papers
Identity and Access Management for the Computing Continuum
Chalima Dimitra Nassar Kyriakidou, Athanasia Maria Papathanasiou, Vasilios A. Siris +4
The computing continuum introduces new challenges for access control due to its dynamic, distributed, and heterogeneous nature. In this paper, we propose a Zero-Trust (ZT) access c…
Hello, won't you tell me your name?: Investigating Anonymity Abuse in IPFS
Christos Karapapas, Iakovos Pittaras, George C. Polyzos +1
The InterPlanetary File System~(IPFS) offers a decentralized approach to file storage and sharing, promising resilience and efficiency while also realizing the Web3 paradigm. Simul…
What's inside a node? Malicious IPFS nodes under the magnifying glass
Christos Karapapas, George C. Polyzos, Constantinos Patsakis
InterPlanetary File System~(IPFS) is one of the most promising decentralized off-chain storage mechanisms, particularly relevant for blockchains, aiming to store the content foreve…
Authentication, Authorization, and Selective Disclosure for IoT data sharing using Verifiable Credentials and Zero-Knowledge Proofs
Nikos Fotiou, Iakovos Pittaras, Spiros Chadoulos +4
As IoT becomes omnipresent vast amounts of data are generated, which can be used for building innovative applications. However,interoperability issues and security concerns, preven…