On the Need for Strong Sovereignty in Data Ecosystems

Lohmöller, Johannes; Pennekamp, Jan; Matzutt, Roman; Wehrle, Klaus; Henze, Martin; Matzutt, Roman; Hiller, Jens; Mühmer, Erik; Ziegeldorf, Jan Henrik; van der Giet, Johannes; Wehrle, Klaus; Wagner, Eric; Matzutt, Roman; Pennekamp, Jan; Bader, Lennart; Bajelidze, Irakli; Wehrle, Klaus; Henze, Martin; Matzutt, Roman; Ahlrichs, Vincent; Pennekamp, Jan; Karwacik, Roman; Wehrle, Klaus; Munilla Garrido, Gonzalo; Near, Joseph; Aitsam, Muhammad; He, Warren; Matzutt, Roman; Matthes, Florian; Pennekamp, Jan; Matzutt, Roman; Kanhere, Salil S.; Hiller, Jens; Wehrle, Klaus; Matzutt, Roman; Kalde, Benedikt; Pennekamp, Jan; Drichel, Arthur; Henze, Martin; Wehrle, Klaus; Bader, Lennart; Pennekamp, Jan; Matzutt, Roman; Hedderich, David; Kowalski, Markus; Lücken, Volker; Wehrle, Klaus; Schomakers, Eva-Maria; Lidynia, Chantal; Müllmann, Dirk; Matzutt, Roman; Wehrle, Klaus; Spiecker gen. Döhmann, Indra; Ziefle, Martina; Schomakers, Eva-Maria; Lidynia, Chantal; Müllmann, Dirk; Matzutt, Roman; Wehrle, Klaus; Spiecker gen. Döhmann, Indra; Ziefle, Martina; Matzutt, Roman; Pennekamp, Jan; Buchholz, Erik; Wehrle, Klaus; Pennekamp, Jan; Alder, Fritz; Matzutt, Roman; Mühlberg, Jan Tobias; Piessens, Frank; Wehrle, Klaus; Matzutt, Roman; Kalde, Benedikt; Pennekamp, Jan; Drichel, Arthur; Henze, Martin; Wehrle, Klaus; Pennekamp, Jan; Bader, Lennart; Matzutt, Roman; Niemietz, Philipp; Trauth, Daniel; Henze, Martin; Bergs, Thomas; Wehrle, Klaus; Matzutt, Roman; Pennekamp, Jan; Wehrle, Klaus; Dahlmanns, Markus; Dax, Chris; Matzutt, Roman; Pennekamp, Jan; Hiller, Jens; Wehrle, Klaus; Wagner, Eric; Völker, Achim; Fuhrmann, Frederik; Matzutt, Roman; Wehrle, Klaus; Bader, Lennart; Bürger, Jens Christoph; Matzutt, Roman; Wehrle, Klaus; Matzutt, Roman; Henze, Martin; Ziegeldorf, Jan Henrik; Hiller, Jens; Wehrle, Klaus; Ziegeldorf, Jan Henrik; Matzutt, Roman; Henze, Martin; Grossmann, Fred; Wehrle, Klaus; Matzutt, Roman; Hiller, Jens; Henze, Martin; Ziegeldorf, Jan Henrik; Müllmann, Dirk; Hohlfeld, Oliver; Wehrle, Klaus; Henze, Martin; Hiller, Jens; Hummen, René; Matzutt, Roman; Wehrle, Klaus; Ziegeldorf, Jan Henrik; Henze, Martin; Wolters, Benedikt; Matzutt, Roman; Zimmermann, Torsten; Wehrle, Klaus; Ziegeldorf, Jan Henrik; Pennekamp, Jan; Hellmanns, David; Schwinger, Felix; Kunze, Ike; Henze, Martin; Hiller, Jens; Matzutt, Roman; Wehrle, Klaus; Henze, Martin; Matzutt, Roman; Hiller, Jens; Mühmer, Erik; Ziegeldorf, Jan Henrik; van der Giet, Johannes; Wehrle, Klaus; Matzutt, Roman; Müllmann, Dirk; Zeissig, Eva-Maria; Horst, Christiane; Kasugai, Kai; Lidynia, Sean; Wieninger, Simon; Ziegeldorf, Jan Henrik; Gudergan, Gerhard; Spiecker gen. Döhmann, Indra; Wehrle, Klaus; Ziefle, Martina; Matzutt, Roman; Hohlfeld, Oliver; Henze, Martin; Rawiel, Robin; Ziegeldorf, Jan Henrik; Wehrle, Klaus; Henze, Martin; Hummen, René; Matzutt, Roman; Wehrle, Klaus; Matzutt, Roman; Henze, Martin; Hummen, René; Matzutt, Roman; Wehrle, Klaus; Henze, Martin; Hummen, René; Matzutt, Roman; Catrein, Daniel; Wehrle, Klaus; Matzutt, Roman

doi:10.1109/TCC.2020.3000336

Roman Matzutt, M.Sc.

Communication and Distributed Systems
RWTH Aachen University
Ahornstr. 55
52074 Aachen, Germany

E-Mail: roman.matzutt[[at]]comsys.rwth-aachen.de
Homepage: https://www.roman-matzutt.de
Phone: +49 241 80-21412
Office: Building E3, Room 9032

I am a researcher at COMSYS since 2015 and my main research interests are blockchain technology and the design of privacy-enhancing systems.

Blockchain technology, as introduced by Bitcoin, constitutes a virtually unchangeable log of events, e.g. financial transactions, and thereby eliminates attacks such as equivocation. In my research, I am interested in general properties of blockchains as well as their applications, e.g., to improve the trustworthiness of existing systems and to discover entirely novel use cases.

Privacy-enhancing technologies (PETs) usually comprise basic principles and technologies that can be utilized to increase user privacy. With respect to privacy-enhancing systems, I am interested in developing new architectures that allow to utilize PETs in novel ways and thereby further reduce the trust users are required to put into the online services they use.

I was awarded the 3rd prize of Univention Graduate Award 2016 for my M.Sc. thesis about improving CoinParty, our mixnet-based approach to Bitcoin anonymization, and 3rd prize of MINT Award 2013 for my B.Sc. thesis about user-controlled utilization of sensor data in the cloud.

Publications

2022
32.	Johannes Lohmöller, Jan Pennekamp, Roman Matzutt, and Klaus Wehrle On the Need for Strong Sovereignty in Data Ecosystems Proceedings of the 1st International Workshop on Data Ecosystems (DEco '22), co-located with the 48th International Conference on Very Large Databases (VLDB '22), September 5-9, 2022, Sydney, Australia, Volume 3306, page 51-63. Publisher: CEUR Workshop Proceedings, September 2022
31.	Martin Henze, Roman Matzutt, Jens Hiller, Erik Mühmer, Jan Henrik Ziegeldorf, Johannes van der Giet, and Klaus Wehrle Complying with Data Handling Requirements in Cloud Storage Systems IEEE Transactions on Cloud Computing, 10(3):1661-1674 September 2022 ISSN: 2168-7161 DOI: 10.1109/TCC.2020.3000336
30.	Eric Wagner, Roman Matzutt, Jan Pennekamp, Lennart Bader, Irakli Bajelidze, Klaus Wehrle, and Martin Henze Scalable and Privacy-Focused Company-Centric Supply Chain Management Proceedings of the 2022 IEEE International Conference on Blockchain and Cryptocurrency (ICBC '22), May 2-5, 2022, Shanghai, China Publisher: IEEE, May 2022 DOI: 10.1109/ICBC54727.2022.9805503 ISBN: 978-1-6654-9538-7/22
29.	Roman Matzutt, Vincent Ahlrichs, Jan Pennekamp, Roman Karwacik, and Klaus Wehrle A Moderation Framework for the Swift and Transparent Removal of Illicit Blockchain Content Proceedings of the 2022 IEEE International Conference on Blockchain and Cryptocurrency (ICBC '22), May 2-5, 2022, Shanghai, China Publisher: IEEE, May 2022 DOI: 10.1109/ICBC54727.2022.9805508 ISBN: 978-1-6654-9538-7/22
2021
28.	Gonzalo Munilla Garrido, Joseph Near, Muhammad Aitsam, Warren He, Roman Matzutt, and Florian Matthes Do I Get the Privacy I Need? Benchmarking Utility in Differential Privacy Libraries September 2021 Submitted https://arxiv.org/abs/2109.10789
27.	Jan Pennekamp, Roman Matzutt, Salil S. Kanhere, Jens Hiller, and Klaus Wehrle The Road to Accountable and Dependable Manufacturing Automation, 2(3):202-219 September 2021 ISSN: 2673-4052 DOI: 10.3390/automation2030013
26.	Roman Matzutt, Benedikt Kalde, Jan Pennekamp, Arthur Drichel, Martin Henze, and Klaus Wehrle CoinPrune: Shrinking Bitcoin's Blockchain Retrospectively IEEE Transactions on Network and Service Management, 18(3):3064-3078 September 2021 ISSN: 1932-4537 DOI: 10.1109/TNSM.2021.3073270
25.	Lennart Bader, Jan Pennekamp, Roman Matzutt, David Hedderich, Markus Kowalski, Volker Lücken, and Klaus Wehrle Blockchain-Based Privacy Preservation for Supply Chains Supporting Lightweight Multi-Hop Information Accountability Information Processing & Management, 58(3) May 2021 ISSN: 0306-4573 DOI: 10.1016/j.ipm.2021.102529
24.	Eva-Maria Schomakers, Chantal Lidynia, Dirk Müllmann, Roman Matzutt, Klaus Wehrle, Indra Spiecker gen. Döhmann, and Martina Ziefle Insights on Data Sensitivity from the Technical, Legal and the Users' Perspectives Computer Law Review International, 22(1):8-15 February 2021 ISSN: 1610-7608 DOI: 10.9785/cri-2021-220103
23.	Eva-Maria Schomakers, Chantal Lidynia, Dirk Müllmann, Roman Matzutt, Klaus Wehrle, Indra Spiecker gen. Döhmann, and Martina Ziefle Putting Privacy into Perspective -- Comparing Technical, Legal, and Users' View of Information Sensitivity INFORMATIK 2020, page 857-870. Publisher: Gesellschaft für Informatik, Bonn January 2021 DOI: 10.18420/inf2020_76 https://dl.gi.de/handle/20.500.12116/34788 https://arxiv.org/abs/1911.06569
2020
22.	Roman Matzutt, Jan Pennekamp, Erik Buchholz, and Klaus Wehrle Utilizing Public Blockchains for the Sybil-Resistant Bootstrapping of Distributed Anonymity Services Proceedings of the 15th ACM ASIA Conference on Computer and Communications Security (ASIACCS '20), October 5-9, 2020, Taipei, Taiwan, page 531-542. Publisher: ACM, October 2020 DOI: 10.1145/3320269.3384729 ISBN: 978-1-4503-6750-9/20/10
21.	Jan Pennekamp, Fritz Alder, Roman Matzutt, Jan Tobias Mühlberg, Frank Piessens, and Klaus Wehrle Secure End-to-End Sensing in Supply Chains Proceedings of the 5th International Workshop on Cyber-Physical Systems Security (CPS-Sec '20), co-located with the 8th IEEE Conference on Communications and Network Security (CNS '20), June 29-July 1, 2020, Avignon, France Publisher: IEEE, July 2020 DOI: 10.1109/CNS48642.2020.9162337 ISBN: 978-1-7281-4760-4
20.	Roman Matzutt, Benedikt Kalde, Jan Pennekamp, Arthur Drichel, Martin Henze, and Klaus Wehrle How to Securely Prune Bitcoin’s Blockchain Proceedings of the 19th IFIP Networking 2020 Conference (NETWORKING '20), June 22-26, 2020, Paris, France, page 298-306. Publisher: IEEE, June 2020 ISBN: 978-3-903176-28-7 https://coinprune.comsys.rwth-aachen.de
19.	Jan Pennekamp, Lennart Bader, Roman Matzutt, Philipp Niemietz, Daniel Trauth, Martin Henze, Thomas Bergs, and Klaus Wehrle Private Multi-Hop Accountability for Supply Chains Proceedings of the 2020 IEEE International Conference on Communications Workshops (ICC Workshops '20), 1st Workshop on Blockchain for IoT and Cyber-Physical Systems (BIoTCPS '20), June 7-11, 2020, Dublin, Ireland Publisher: IEEE, June 2020 DOI: 10.1109/ICCWorkshops49005.2020.9145100 ISBN: 978-1-7281-7440-2
18.	Roman Matzutt, Jan Pennekamp, and Klaus Wehrle A Secure and Practical Decentralized Ecosystem for Shareable Education Material Proceedings of the 34th International Conference on Information Networking (ICOIN '20), January 7-10, 2020, Barcelona, Spain, page 529-534. Publisher: IEEE, January 2020 DOI: 10.1109/ICOIN48656.2020.9016478 ISBN: 978-1-7281-4199-2
2019
17.	Markus Dahlmanns, Chris Dax, Roman Matzutt, Jan Pennekamp, Jens Hiller, and Klaus Wehrle Privacy-Preserving Remote Knowledge System Proceedings of the 27th IEEE International Conference on Network Protocols (ICNP '19), October 7-10, 2019, Chicago, IL, USA Publisher: IEEE, October 2019 DOI: 10.1109/ICNP.2019.8888121 ISBN: 978-1-7281-2700-2
16.	Eric Wagner, Achim Völker, Frederik Fuhrmann, Roman Matzutt, and Klaus Wehrle Dispute Resolution for Smart Contract-based Two Party Protocols IEEE International Conference on Blockchain and Cryptocurrency 2019 (ICBC 2019) Publisher: IEEE, May 2019 DOI: 10.1109/BLOC.2019.8751312
2018
15.	Lennart Bader, Jens Christoph Bürger, Roman Matzutt, and Klaus Wehrle Smart Contract-based Car Insurance Policies 2018 IEEE Globecom Workshops (GC Wkshps) Publisher: IEEE, December 2018 DOI: 10.1109/GLOCOMW.2018.8644136 https://ieeexplore.ieee.org/document/8644136
14.	Roman Matzutt, Martin Henze, Jan Henrik Ziegeldorf, Jens Hiller, and Klaus Wehrle Thwarting Unwanted Blockchain Content Insertion Proceedings of the First IEEE Workshop on Blockchain Technologies and Applications (BTA), co-located with the IEEE International Conference on Cloud Engineering 2018 (IC2E 2018), page 364-370. Publisher: IEEE, April 2018 DOI: 10.1109/IC2E.2018.00070 ISBN: 978-1-5386-5008-0 https://ieeexplore.ieee.org/document/8360355
13.	Jan Henrik Ziegeldorf, Roman Matzutt, Martin Henze, Fred Grossmann, and Klaus Wehrle Secure and anonymous decentralized Bitcoin mixing Future Generation Computer Systems, 80:448-466 March 2018 ISSN: 0167-739X DOI: 10.1016/j.future.2016.05.018
12.	Roman Matzutt, Jens Hiller, Martin Henze, Jan Henrik Ziegeldorf, Dirk Müllmann, Oliver Hohlfeld, and Klaus Wehrle A Quantitative Analysis of the Impact of Arbitrary Blockchain Content on Bitcoin Proceedings of the 22nd International Conference on Financial Cryptography and Data Security (FC), Nieuwpoort, Curaçao Publisher: Springer, February 2018 DOI: 10.1007/978-3-662-58387-6_23
2017
11.	Martin Henze, Jens Hiller, René Hummen, Roman Matzutt, Klaus Wehrle, and Jan Henrik Ziegeldorf Network Security and Privacy for Cyber-Physical Systems In Song, Houbing and Fink, Glenn A. and Jeschke, Sabina, editor, Security and Privacy in Cyber-Physical Systems: Foundations, Principles and Applications Chapter 2, page 25-56. Publisher: Wiley-IEEE Press, First edition November 2017 DOI: 10.1002/9781119226079.ch2 ISBN: 978-1-119-22604-8
10.	Martin Henze, Benedikt Wolters, Roman Matzutt, Torsten Zimmermann, and Klaus Wehrle Distributed Configuration, Authorization and Management in the Cloud-based Internet of Things Proceedings of the 16th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (IEEE TrustCom), Sydney, NSW, Australia, page 185-192. Publisher: IEEE, August 2017 DOI: 10.1109/Trustcom/BigDataSE/ICESS.2017.236 ISBN: 978-1-5090-4905-9
9.	Jan Henrik Ziegeldorf, Jan Pennekamp, David Hellmanns, Felix Schwinger, Ike Kunze, Martin Henze, Jens Hiller, Roman Matzutt, and Klaus Wehrle BLOOM: BLoom filter based Oblivious Outsourced Matchings BMC Medical Genomics, 10(Suppl 2):29-42 July 2017 ISSN: 1755-8794 DOI: 10.1186/s12920-017-0277-y
8.	Martin Henze, Roman Matzutt, Jens Hiller, Erik Mühmer, Jan Henrik Ziegeldorf, Johannes van der Giet, and Klaus Wehrle Practical Data Compliance for Cloud Storage Proceedings of the 2017 IEEE International Conference on Cloud Engineering (IC2E 2017), Vancouver, BC, Canada, page 252-258. Publisher: IEEE, April 2017 DOI: 10.1109/IC2E.2017.32 ISBN: 978-1-5090-5817-4
7.	Roman Matzutt, Dirk Müllmann, Eva-Maria Zeissig, Christiane Horst, Kai Kasugai, Sean Lidynia, Simon Wieninger, Jan Henrik Ziegeldorf, Gerhard Gudergan, Indra Spiecker gen. Döhmann, Klaus Wehrle, and Martina Ziefle myneData: Towards a Trusted and User-controlled Ecosystem for Sharing Personal Data In Eibl, Maximilian and Gaedke, Martin, editor,INFORMATIK 2017, page 1073-1084. Publisher: Gesellschaft für Informatik, Bonn, 2017 DOI: 10.18420/in2017_109 ISBN: 978-3-88579-669-5 https://www.comsys.rwth-a...mynedata-presentation.pdf
2016
6.	Roman Matzutt, Oliver Hohlfeld, Martin Henze, Robin Rawiel, Jan Henrik Ziegeldorf, and Klaus Wehrle POSTER: I Don't Want That Content! On the Risks of Exploiting Bitcoin's Blockchain as a Content Store Proceedings of the 23rd ACM Conference on Computer and Communications Security (CCS), Vienna, Austria, page 1769-1771. Publisher: ACM, October 2016 DOI: 10.1145/2976749.2989059 ISBN: 978-1-4503-4139-4
5.	Martin Henze, René Hummen, Roman Matzutt, and Klaus Wehrle The SensorCloud Protocol: Securely Outsourcing Sensor Data to the Cloud Technical Report Document number: AIB-2016-06 Report Number: arXiv:1607.03239 [cs.NI] Department of Computer Science, RWTH Aachen University, Ahornstr. 55, 52074 Aachen, Germany July 2016
2015
4.	Roman Matzutt Design and Implementation of Secure Decentralized Bitcoin Mixing Master Thesis Communication and Distributed Systems, RWTH Aachen University, Germany May 2015
2014
3.	Martin Henze, René Hummen, Roman Matzutt, and Klaus Wehrle A Trust Point-based Security Architecture for Sensor Data in the Cloud In Krcmar, Helmut and Reussner, Ralf and Rumpe, Bernhard, editor, Trusted Cloud Computing page 77-106. Publisher: Springer, December 2014 DOI: 10.1007/978-3-319-12718-7_6 ISBN: 978-3-319-12717-0
2013
2.	Martin Henze, René Hummen, Roman Matzutt, Daniel Catrein, and Klaus Wehrle Maintaining User Control While Storing and Processing Sensor Data in the Cloud International Journal of Grid and High Performance Computing (IJGHPC), 5(4):97-112 December 2013 ISSN: 1938-0259 DOI: 10.4018/ijghpc.2013100107
1.	Roman Matzutt User-controlled Utilization of Sensor Data for Cloud Computing Bachelor Thesis Communication and Distributed Systems, RWTH Aachen University, Germany March 2013

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