Nikolaos Alexopoulos

nameNikolaos Alexopoulos
positionResearch Assistant
phone+49 (6151) 16 - 23199
fax+49 (6151) 16 - 23202
officeS2|02 A312
postal addressTU Darmstadt - FB 20
FG Telekooperation
Hochschulstraße 10
D-64289 Darmstadt

Research Interests

  • Computational Trust
  • Cryptography
  • Anonymous Communication

Short bio

I am a doctoral researcher at the Telecooperation lab since May 2016, working as a part of CROSSING collaborative research center. Prior to joining Technische Universität Darmstadt, I obtained my diploma from the School of Electrical and Computer Engineering (ECE) of the National Technical University of Athens (NTUA).

I am interested in many aspects of computer science including cryptography, computational trust and network security. My research focuses on applying computational trust in the context of computer security and using blockchain technology for securing trust management infrastructures.

Apart from research, I very much enjoy sports, especially basketball and football.


Additional Attributes


Towards Blockchain-Based Collaborative Intrusion Detection Systems

Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Natalia Reka Ivanko, Max Mühlhäuser
In: International Conference on Critical Information Infrastructures Security, October 2017

TRIDEnT: Trustworthy collaboRative Intrusion DETection (POSTER)

Nikolaos Alexopoulos, Emmanouil Vasilomanolakis, Natalia Reka Ivanko, Tamara Frieß, Max Mühlhäuser
In: USENIX Security Symposium Poster Session, August 2017

Beyond the Hype: On Using Blockchains in Trust Management for Authentication

Nikolaos Alexopoulos, Jörg Daubert, Max Mühlhäuser, Sheikh Mahbub Habib
In: TrustCom, August 2017

MCMix: Anonymous Messaging via Secure Multiparty Computation

Nikolaos Alexopoulos, Aggelos Kiayias, Riivo Talviste, Thomas Zacharias
In: 26th USENIX Security Symposium, August 2017

Student Research Abstract: On Enhancing Trust in Cryptographic Solutions

Nikolaos Alexopoulos
In: Proceedings of the 32nd Annual ACM Symposium on Applied Computing, April 2017

Teaching Activities

  • Seminar Telekooperation WS 16/17
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