Aljosha Judmayer

According to our database, Aljosha Judmayer authored at least 37 papers between 2014 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

How much is the fork? Fast Probability and Profitability Calculation during Temporary Forks.

Aljosha Judmayer, Nicholas Stifter, Philipp Schindler, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2022

Unnecessary Input Heuristics & PayJoin Transactions.

Simin Ghesmati, Andreas Kern, Aljosha Judmayer, Nicholas Stifter, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2022

Estimating (Miner) Extractable Value is Hard, Let's Go Shopping!

Aljosha Judmayer, Nicholas Stifter, Philipp Schindler, Edgar R. Weippl

Proceedings of the Financial Cryptography and Data Security. FC 2022 International Workshops, 2022

Opportunistic Algorithmic Double-Spending: - How I Learned to Stop Worrying and Love the Fork.

Nicholas Stifter, Aljosha Judmayer, Philipp Schindler, Edgar R. Weippl

Proceedings of the Computer Security - ESORICS 2022, 2022

Challenges and Opportunities of Blockchain for Auditable Processes in the Healthcare Sector.

Walid Fdhila, Nicholas Stifter, Aljosha Judmayer

Proceedings of the Business Process Management: Blockchain, Robotic Process Automation, and Central and Eastern Europe Forum, 2022

2021

Opportunistic Algorithmic Double-Spending: How I learned to stop worrying and hedge the Fork.

Nicholas Stifter, Aljosha Judmayer, Philipp Schindler, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2021

What is Meant by Permissionless Blockchains?

Nicholas Stifter, Aljosha Judmayer, Philipp Schindler, Andreas Kern, Walid Fdhila

IACR Cryptol. ePrint Arch., 2021

Estimating (Miner) Extractable Value is Hard, Let’s Go Shopping!

Aljosha Judmayer, Nicholas Stifter, Philipp Schindler, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2021

Unnecessary Input Heuristics and PayJoin Transactions.

Simin Ghesmati, Andreas Kern, Aljosha Judmayer, Nicholas Stifter, Edgar R. Weippl

Proceedings of the HCI International 2021 - Posters - 23rd HCI International Conference, 2021

Pay to Win: Cheap, Cross-Chain Bribing Attacks on PoW Cryptocurrencies.

Aljosha Judmayer, Nicholas Stifter, Alexei Zamyatin, Itay Tsabary, Ittay Eyal, Peter Gazi, Sarah Meiklejohn, Edgar R. Weippl

Proceedings of the Financial Cryptography and Data Security. FC 2021 International Workshops, 2021

2020

RandRunner: Distributed Randomness from Trapdoor VDFs with Strong Uniqueness.

Philipp Schindler, Aljosha Judmayer, Markus Hittmeir, Nicholas Stifter, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2020

SoK: Algorithmic Incentive Manipulation Attacks on Permissionless PoW Cryptocurrencies.

Aljosha Judmayer, Nicholas Stifter, Alexei Zamyatin, Itay Tsabary, Ittay Eyal, Peter Gazi, Sarah Meiklejohn, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2020

HydRand: Efficient Continuous Distributed Randomness.

Philipp Schindler, Aljosha Judmayer, Nicholas Stifter, Edgar R. Weippl

Proceedings of the 2020 IEEE Symposium on Security and Privacy, 2020

2019

ETHDKG: Distributed Key Generation with Ethereum Smart Contracts.

Philipp Schindler, Aljosha Judmayer, Nicholas Stifter, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2019

Pay-To-Win: Incentive Attacks on Proof-of-Work Cryptocurrencies.

Aljosha Judmayer, Nicholas Stifter, Alexei Zamyatin, Itay Tsabary, Ittay Eyal, Peter Gazi, Sarah Meiklejohn, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2019

A Deep Dive into Bitcoin Mining Pools: An Empirical Analysis of Mining Shares.

Matteo Romiti, Aljosha Judmayer, Alexei Zamyatin, Bernhard Haslhofer

CoRR, 2019

Revisiting Practical Byzantine Fault Tolerance Through Blockchain Technologies.

Nicholas Stifter, Aljosha Judmayer, Edgar R. Weippl

Proceedings of the Security and Quality in Cyber-Physical Systems Engineering, 2019

2018

(Short Paper) A Wild Velvet Fork Appears! Inclusive Blockchain Protocol Changes in Practice.

Alexei Zamyatin, Nicholas Stifter, Aljosha Judmayer, Philipp Schindler, Edgar R. Weippl, William J. Knottenbelt

IACR Cryptol. ePrint Arch., 2018

Echoes of the Past: Recovering Blockchain Metrics From Merged Mining.

Nicholas Stifter, Philipp Schindler, Aljosha Judmayer, Alexei Zamyatin, Andreas Kern, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2018

Agreement with Satoshi - On the Formalization of Nakamoto Consensus.

Nicholas Stifter, Aljosha Judmayer, Philipp Schindler, Alexei Zamyatin, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2018

HydRand: Practical Continuous Distributed Randomness.

Philipp Schindler, Aljosha Judmayer, Nicholas Stifter, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2018

Pitchforks in Cryptocurrencies: Enforcing rule changes through offensive forking- and consensus techniques.

Aljosha Judmayer, Nicholas Stifter, Philipp Schindler, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2018

Proof-of-Blackouts? How Proof-of-Work Cryptocurrencies Could Affect Power Grids.

Johanna Ullrich, Nicholas Stifter, Aljosha Judmayer, Adrian Dabrowski, Edgar R. Weippl

Proceedings of the Research in Attacks, Intrusions, and Defenses, 2018

A Wild Velvet Fork Appears! Inclusive Blockchain Protocol Changes in Practice - (Short Paper).

Alexei Zamyatin, Nicholas Stifter, Aljosha Judmayer, Philipp Schindler, Edgar R. Weippl, William J. Knottenbelt

Proceedings of the Financial Cryptography and Data Security, 2018

Pitchforks in Cryptocurrencies: - Enforcing Rule Changes Through Offensive Forking- and Consensus Techniques (Short Paper).

Aljosha Judmayer, Nicholas Stifter, Philipp Schindler, Edgar R. Weippl

Proceedings of the Data Privacy Management, Cryptocurrencies and Blockchain Technology, 2018

2017

Blocks and Chains: Introduction to Bitcoin, Cryptocurrencies, and Their Consensus Mechanisms

Aljosha Judmayer, Nicholas Stifter, Katharina Krombholz, Edgar R. Weippl

Synthesis Lectures on Information Security, Privacy, and Trust, Morgan & Claypool Publishers, ISBN: 978-3-031-02352-1, 2017

Merged Mining: Curse of Cure?

Aljosha Judmayer, Alexei Zamyatin, Nicholas Stifter, Artemios G. Voyiatzis, Edgar R. Weippl

IACR Cryptol. ePrint Arch., 2017

A Holistic Approach to Smart Contract Security.

Nicholas Stifter, Aljosha Judmayer, Edgar R. Weippl

ERCIM News, 2017

Bitcoin - Cryptocurrencies and Alternative Applications.

Aljosha Judmayer, Alexei Zamyatin, Nicholas Stifter, Edgar R. Weippl

ERCIM News, 2017

A Performance Assessment of Network Address Shuffling in IoT Systems.

Aljosha Judmayer, Georg Merzdovnik, Johanna Ullrich, Artemios G. Voyiatzis, Edgar R. Weippl

Proceedings of the Computer Aided Systems Theory - EUROCAST 2017, 2017

Merged Mining: Curse or Cure?

Aljosha Judmayer, Alexei Zamyatin, Nicholas Stifter, Artemios G. Voyiatzis, Edgar R. Weippl

Proceedings of the Data Privacy Management, Cryptocurrencies and Blockchain Technology, 2017

Lightweight Address Hopping for Defending the IPv6 IoT.

Aljosha Judmayer, Johanna Ullrich, Georg Merzdovnik, Artemios G. Voyiatzis, Edgar R. Weippl

Proceedings of the 12th International Conference on Availability, Reliability and Security, Reggio Calabria, Italy, August 29, 2017

2016

Cryptographic Currencies Crash Course (C4): Tutorial.

Aljosha Judmayer, Edgar R. Weippl

Proceedings of the 25th International Conference on World Wide Web, 2016

Für bare Münze? NutzerInnenerfahrungen mit Sicherheit und Datenschutz bei Bitcoin.

Katharina Krombholz, Aljosha Judmayer, Matthias Gusenbauer, Edgar R. Weippl

Proceedings of the Sicherheit 2016: Sicherheit, 2016

The Other Side of the Coin: User Experiences with Bitcoin Security and Privacy.

Katharina Krombholz, Aljosha Judmayer, Matthias Gusenbauer, Edgar R. Weippl

Proceedings of the Financial Cryptography and Data Security, 2016

Condensed Cryptographic Currencies Crash Course (C5).

Aljosha Judmayer, Edgar R. Weippl

Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security, 2016

2014

On the security of security extensions for IP-based KNX networks.

Aljosha Judmayer, Lukas Krammer, Wolfgang Kastner

Proceedings of the 10th IEEE Workshop on Factory Communication Systems, 2014