Enabling Opportunistic Users in Multi-Tenant IoT Systems using Decentralized Identifiers and Permissioned Blockchains. - Nikos Fotiou; Iakovos Pittaras; Vasilios A. Siris; George C. Polyzos (IoT S&P@CCS, 2019)

Secure IoT Access at Scale Using Blockchains and Smart Contracts. - Nikos Fotiou; Iakovos Pittaras; Vasilios A. Siris; Spyros Voulgaris; George C. Polyzos (WOWMOM, 2019)

Ransomware as a Service using Smart Contracts and IPFS. - Christos Karapapas; Iakovos Pittaras; Nikos Fotiou; George C. Polyzos (IEEE ICBC, 2020)

OAuth 2.0 authorization using blockchain-based tokens. - Nikos Fotiou; Iakovos Pittaras; Vasilios A. Siris; Spyros Voulgaris; George C. Polyzos (CoRR, 2020)

Fully Decentralized Trading Games with Evolvable Characters using NFTs and IPFS. - Christos Karapapas; Iakovos Pittaras; George C. Polyzos (Networking, 2021)

Beacons and Blockchains in the Mobile Gaming Ecosystem: A Feasibility Analysis. - Iakovos Pittaras; Nikos Fotiou; Vasilios A. Siris; George C. Polyzos (Sensors, 2021)

R?ddle: A Fully Decentralized Mobile Game for Fun and Profit. - Athanasia Maria Papathanasiou; Chalima Dimitra Nassar Kyriakidou; Iakovos Pittaras; George C. Polyzos (BLOCKCHAIN, 2022)

Decentralized NFT-based Evolvable Games. - Christos Karapapas; Georgios Syros; Iakovos Pittaras; George C. Polyzos (BRAINS, 2022)

(POSTER) SmartTwins: Secure and Auditable DLT-based Digital Twins for the WoT. - Iakovos Pittaras; George C. Polyzos (DCOSS, 2022)

Authentication, Authorization, and Selective Disclosure for IoT Data Sharing Using Verifiable Credentials and Zero-Knowledge Proofs. - Nikos Fotiou; Iakovos Pittaras; Spiros Chadoulos; Vasilios A. Siris; George C. Polyzos; Nikolaos Ipiotis; Stratos Keranidis (ETAA, 2022)

Secure, Mass Web of Things Actuation Using Smart Contracts-Based Digital Twins. - Iakovos Pittaras; Nikos Fotiou; Christos Karapapas; Vasilios A. Siris; George C. Polyzos (ISCC, 2022)

Continuous authorization over HTTP using Verifiable Credentials and OAuth 2.0. - Nikos Fotiou; Evgenia Faltaka; Vasilis Kalos; Anna S. Kefala; Iakovos Pittaras; Vasilios A. Siris; George C. Polyzos (Open Identity Summit, 2022)

Multi-tenant, Decentralized Access Control for the Internet of Things. - Iakovos Pittaras; George C. Polyzos (IoTaIS, 2023)

Peer Clustering for the InterPlanetary File System. - Yannis Thomas; Nikos Fotiou; Iakovos Pittaras; George Xylomenos; Spyros Voulgaris; George C. Polyzos (FIRA@SIGCOMM, 2023)

Smart Contract-Based Decentralized Mining Pools for Proof-of- Work Blockchains. - Athanasia Maria Papathanasiou; Chalima Dimitra Nassar Kyriakidou; Iakovos Pittaras; George C. Polyzos (Blockchain, 2024)

Certificate Management for Cloud-Hosted Digital Twins. - Nikos Fotiou; Chalima Dimitra Nassar Kyriakidou; Athanasia Maria Papathanasiou; Iakovos Pittaras; Yannis Thomas; George Xylomenos (ISCC, 2024)

Poster: Named Data Networking for Data Spaces. - Y. Thomas; Nikos Fotiou; Iakovos Pittaras; George Xylomenos (ISCC, 2024)

Performance of Smart Contract-based Digital Twins for the Internet of Things. - Chalima Dimitra Nassar Kyriakidou; Iakovos Pittaras; Athanasia Maria Papathanasiou; George Xylomenos; George C. Polyzos (Midd4DT@Middleware, 2024)

Hello, Won't You Tell Me Your Name?: Investigating Anonymity Abuse in IPFS. - Christos Karapapas; Iakovos Pittaras; George C. Polyzos; Constantinos Patsakis (ARES (Workshops 3), 2025)