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Decentralized Systems and Network Services Research Group
Institute of Telematics

Zirkel 2
76131 Karlsruhe

Tel.: +49 721 608-46351
Fax: +49 721 608-47763

The research group is part of the Competence Center for Applied Security Technology (KASTEL).



Decentralized Systems and Network Services Research Group

Under the term "Decentralized Systems and Network Services" we understand distributed and networked technical systems that span over more than one administrative domain. Hence, their operation depends on more than one party. Our research focuses on:

  • Blockchains, consensus and peer-to-peer networks
  • Network Security Monitoring
  • Secure and privacy-aware computing in partially trustworthy environments.


2019/06/05: Outstanding Paper Award

Out conference submission "Access Control for Binary Integrity Protection using Ethereum" has been published in the respective proceedings. Furthermore, our contribution received the "Best Paper Runner Up" award.

Awarding of the SICK-Wissenschaftspreis
2019/06/25: Awarding of the SICK-Wissenschaftspreis for master thesis on Bitcoin

The SICK-Wissenschaftspreis for the best thesis 2017 was awarded to Matthias Grundmann for his master thesis titled "Analysis and Evaluation of Analysis Methods for Topology Inference in the Bitcoin Peer-to-Peer Network" at the annual Tag der Informatik. In this thesis he discussed possibilities for dertermining the topology of the Bitcoin peer-to-peer network and introduced two new methods to accomplish this.

Banklaves Presentation at ICBC'19
2019/05/29: Banklaves: Concept for a Trustworthy Decentralized Payment Service for Bitcoin presented on IEEE ICBC'19

On the IEEE International Conference on Blockchain and Cryptocurrency from 14-17 May 2019 in Seoul, South Korea we presented our publication "Banklaves: Concept for a Trustworthy Decentralized Payment Service for Bitcoin", which explores a new way to implement a second layer architecture for cryptocurrencies using Trusted Execution Environments.

2019/05/21: New Publication - Access Control for Binary Integrity Protection using Ethereum

In the paper "Access Control for Binary Integrity Protection using Ethereum", we present a concept for representing and managing software on a public Blockchain, like Ethereum, for the purpose of integrity protection and revocation thereof. The work will be presented during the ACM Symposium on Access Control Models and Technologies (SACMAT) at the beginning of June in Toronto and will be available via KITOpen later.