Publications
[J1] Y. Kortesniemi, D. Lagutin, T. Elo, N. Fotiou, “Improving the Privacy of IoT with Decentralised Identifiers (DIDs),” Journal of Computer Networks and Communications, vol. 2019, March 2019.
[J2] V.A. Siris, P. Nikander, S. Voulgaris, N. Fotiou, D. Lagutin, G.C. Polyzos, “Interledger Approaches,” IEEE Access, vol. 7, pp. 89948-89966, July 2019.
[J3] S. Voulgaris, N. Fotiou, V.A. Siris, G.C. Polyzos, M. Jaatinen, Y. Oikonomidis, “Blockchain Technology for Intelligent Environments,” Future Internet, vol. 11, no. 10, October 2019.
[J4] V.A. Siris, D. Dimopoulos, N. Fotiou, S. Voulgaris, G.C. Polyzos, “Decentralized authorization in constrained IoT environments exploiting interledger mechanisms,” Computer Communications, Elsevier, vol. 152, pp. 243‑251, February 2020. (PDF)
[J5] R. Neisse, J.L. Hernandez-Ramos, S.N. Matheu-Garcia, G. Baldini, A. Skarmeta, V.A. Siris, D. Lagutin, P. Nikander, “An Interledger Blockchain Platform for cross-border Management of Cybersecurity Information,” IEEE Internet Computing, pp. 1-11, June 2020.
[J6] S. Paavolainen, C. Carr, “Security Properties of Light Clients on the Ethereum Blockchain,” IEEE Access, vol. 8, pp. 124339-124358, June 2020.
[J7] A. Manzoor, M. Samarin, D. Mason, M. Ylianttila, “Scavenger Hunt: Utilization of Blockchain and IoT for a Location-Based Game,” IEEE Access, vol. 8, pp. 204863-204879, November 2020.
[J8] N. Fotiou, I. Pittaras, V. A.Siris, G. C. Polyzos, P. Anton “A privacy-preserving statistics marketplace using local differential privacy and blockchain: An application to smart-grid measurements sharing,” Blockchain: Research and Applications, vol. 2, July 2021.
Conference and Workshop Publications
[C1] A. Karila, Y. Kortesniemi, D. Lagutin, P. Nikander, S. Paavolainen, N. Fotiou, G.C. Polyzos, V.A. Siris, T. Zahariadis, “Secure Open Federation for Internet Everywhere,” Proc. Workshop on Decentralized IoT Security and Standards (DISS) in conjunction with Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, February 2018.
[C2] N. Fotiou and G.C. Polyzos, “Smart Contracts for the Internet of Things: Opportunities and Challenges,” Proc. European Conference on Networks and Communications (EuCNC), Ljubljana, Slovenia, June 2018. (PDF)
[C3] S. Paavolainen and P. Nikander, “Security and Privacy Challenges and Potential Solutions for DLT based IoT Systems,” Proc. Global Internet of Things Summit (GIoTS), Bilbao, June 2018. (PDF)
[C4] A.S. Ahmed and T. Aura, “Turning Trust Around: Smart Contract-Assisted Public Key Infrastructure,” Proc. 17th IEEE International Conference on Trust, Security and Privacy in Computing and Communications/IEEE International Conference on Big Data Science and Engineering (TrustCom/BigDataSE), New York, NY, USA, August 2018. (PDF)
[C5] S. Paavolainen, T. Elo, P. Nikander, “Risks from Spam Attacks on Blockchains for Intemet-of-Things Devices,” Proc. 9th IEEE Annual Information Technology, Electronics and Mobile Communication Conference (IEMCON), Vancouver, BC, USA, November 2018. (PDF)
[C6] N. Fotiou, V.A. Siris, G.C. Polyzos, “Interacting with the Internet of Things using Smart Contracts and Blockchain Technologies,” Proc. 11th International Conference on Security, Privacy and Anonymity in Computation, Communication and Storage (SpaCCS), Melbourne, Australia, December 2018. (PDF)
[C7] N. Fotiou, V.A. Siris, S. Voulgaris, G.C. Polyzos, D. Lagutin, “Bridging the Cyber and Physical Worlds using Blockchains and Smart Contracts,” Proc. Workshop on Decentralized IoT Systems and Security (DISS) in conjunction with the Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, February 2019.
[C8] D. Lagutin, Y. Kortesniemi, N. Fotiou, V.A. Siris, “Enabling Decentralised Identifiers and Verifiable Credentials for Constrained IoT Devices using OAuth-based Delegation,” Proc. Workshop on Decentralized IoT Systems and Security (DISS) in conjunction with the Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, February 2019.
[C9] V.A. Siris, D. Dimopoulos, N. Fotiou, S. Voulgaris, G.C. Polyzos, “OAuth 2.0 Meets Blockchain for Authorization in Constrained IoT Environments,” Proc. 5th IEEE World Forum on Internet of Things (WF‑IoT), Limerick, Ireland, April 2019. (PDF)
[C10] V.A. Siris, D. Dimopoulos, N. Fotiou, S. Voulgaris, G.C. Polyzos, “Interledger Smart Contracts for Decentralized Authorization to Constrained Things,” Proc. 2nd Workshop on Cryptocurrencies and Blockchains for Distributed Systems (CryBlock 2019), in conjunction with IEEE INFOCOM 2019, Paris, France, April-May 2019. (PDF)
[C11] S. Paavolainen and P. Nikander, “Interledger Demo: IoT Integration,” Proc. IEEE International Conference on Blockchain and Cryptocurrency (ICBC), Seoul, Korea (South), May 2019. (PDF)
[C12] V.A. Siris, D. Dimopoulos, N. Fotiou, S. Voulgaris, G.C. Polyzos, “IoT Resource Access utilizing Blockchains and Trusted Execution Environments,” Proc. Global IoT Summit, Aarhus, Denmark, June 2019. (PDF)
[C13] S. Paavolainen and P. Nikander, “Decentralized Beacons: Attesting the Ground Truth of Blockchain State for Constrained IoT Devices,” Proc. Global IoT Summit (GIoTS), Aarhus, Denmark, June 2019. (PDF)
[C14] N. Fotiou, I. Pittaras, V.A. Siris, S. Voulgaris, G.C. Polyzos, “Secure IoT access at scale using blockchains and smart contracts,” Proc. 8th IEEE WoWMoM Workshop on the Internet of Things: Smart Objects and Services (IoT-SoS), Washington DC, USA, June 2019. (PDF)
[C15] V.A. Siris, D. Dimopoulos, N. Fotiou, S. Voulgaris, G.C. Polyzos, “Trusted D2D-based IoT Resource Access using Smart Contracts,” Proc. 20th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM), Washington DC, USA, June 2019. (PDF)
[C16] D. Lagutin, F. Bellesini, T. Bragatto, A. Cavadenti, V. Croce, Y. Kortesniemi, H.C. Leligou, Y. Oikonomidis, G.C. Polyzos, G. Raveduto, F. Santori, P. Trakadas, M. Verber, “Secure Open Federation of IoT Platforms Through Interledger Technologies – The SOFIE Approach,” Proc. European Conference on Networks and Communications (EuCNC), Valencia, Spain, June 2019. (PDF)
[C17] E. Arzoglou, T. Elo, and P. Nikander, “The Case of iOS and Android: Applying System Dynamics to Digital Business Platforms,” Proc. 19th International Conference on Computational Science (ICCS), Faro, Portugal, published in Lecture Notes in Computer Science, Vol. 11540, J.M.F. Rodrigues et al. (eds), Springer, June 2019. (PDF)
[C18] P. Nikander, J. Autiosalo, S. Paavolainen, "Interledger for the Industrial Internet of Things," Proc. 17th IEEE International Conference on Industrial Informatics (INDIN), Helsinki, Finland, July 2019. (PDF)
[C19] N. Fotiou, I. Pittaras, V.A. Siris, S. Voulgaris, G.C. Polyzos, “OAuth 2.0 Authorization using Blockchain-based Tokens,” Proc. Workshop on Decentralized IoT Systems and Security (DISS) in conjunction with the Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, February 2020.
[C20] V.A. Siris, M. Tsenos, D. Dimopoulos, N. Fotiou, G.C. Polyzos “Decentralized Interledger Gateway Architectures in Authorization Scenarios with Multiple Ledgers,” Proc. Global Internet of Things Summit (GIoTS), Dublin, Ireland, June 2020. (PDF)
[C21] F. Carere, F. Bellesini, T. Bragatto, V. Croce, G. Raveduto, F. Santori. M. Veber, “Flexibility - enabling technologies using electric vehicles,” Proc. IEEE International Conference on Environment and Electrical Engineering and IEEE Industrial and Commercial Power Systems Europe (EEEIC/I&CPS Europe), Madrid, Spain, June 2020. (PDF)
[C22] S. Voulgaris, N. Fotiou, V.A. Siris, G.C. Polyzos, A. Tomaras, S. Karachontzitis, “Hierarchical Blockchain Topologies for Quality Control in Food Supply Chains,” Proc. European Conference on Networks and Communications (EuCNC), June 2020. (PDF)
Published Abstracts and Posters in Conference and Workshop Proceedings
[S1] N. Fotiou, Ι. Pittaras, V.A. Siris, G.C. Polyzos, “Enabling opportunistic users in multi-tenant IoT systems using decentralized identifiers and permissioned blockchains,” Proc. Workshop on the Internet of Things Security and Privacy (IoT S&P), in conjunction with the 26th ACM Conference on Computer and Communications Security (CCS), London, UK, November 2019 (poster). (PDF)
[S2] N. Fotiou, I. Pittaras, V.A. Siris, S. Voulgaris, G.C. Polyzos, “Poster: Securing IoT services using DLTs and Verifiable Credentials,” Proc. Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, February 2020 (poster).
Book Chapters
[B1] D. Lagutin, et al., “SOFIE – Secure Open Federation for Internet Everywhere,” Section 7.8 in Chapter 7 of “IoT European Security and Privacy Projects: Integration, Architectures and Interoperability,” E. Ferrera et al., in Next Generation Internet of Things, Distributed Intelligence at the Edge and Human Machine-to-Machine Cooperation, O. Vermesan and J. Bacquet, eds., River Publishers, 2018.
[B2] D. Lagutin, P. Anton, F. Bellesini, T. Bragatto, A. Cavadenti, V. Croce, N. Fotiou, M. Haavala, Y. Kortesniemi, H. C. Leligou, A. Manzoor, Y. Oikonomidis, G.C. Polyzos, G. Raveduto, F. Santori, V.A. Siris, P. Trakadas, M. Verber, “The SOFIE Approach to Address the Security and Privacy of the IoT using Interledger Technologies,” in Security and Privacy in Internet of Things: Challenges and Solutions, J.L. Hernández Ramos and A. Skarmeta eds., IOS Press, (Ambient Intelligence and Smart Environments, Ebook Series, vol. 27), March 2020.
[B3] D. Lagutin, Y. Kortesniemi, V.A. Siris, N. Fotiou, G. C. Polyzos, L. Wu, “Leveraging Interledger Technologies in IoT Security Risk Management,” in Security Risk Management for the Internet of Things: Technologies and Techniques for IoT Security, Privacy and Data Protection, J. Soldatos, ed., now publishers, pp. 229‑246, June 2020.