17 citations · 44 across the 17 of their papers we have counts for
17 papers
Stablecoins under Stress in a National Economy: Transaction-Level Evidence from Austrian Crypto-Asset Service Providers
Pietro Saggese, Michael Sigmund, Burkhard Raunig +3
Cryptoassets are increasingly entangled with the traditional financial system, and how this activity integrates into national economies and behaves under stress bears on financial…
How Reliable Is the Multi-Input Heuristic for Bitcoin Address Clustering in Law Enforcement Contexts?
Leopold Müller, Jana Elsner, Thomas Niedermayer +4
Address clustering is an important technique in blockchain forensics, widely employed by law enforcement to trace illicit crypto asset flows. The multi-input heuristic (MIH), which…
Tracing Stablecoin Contagion during the USDC Depeg after the Silicon Valley Bank Collapse
Krongtum Sankaewtong, Stefan Kitzler, Bernhard Haslhofer +1
The March 2023 collapse of Silicon Valley Bank (SVB) disrupted the core premise of stablecoins, which are digital tokens designed to maintain a fixed value against the U.S. dollar…
DeFi Yield Aggregators: Analysing Investment Strategies and Structural Dependencies
Stefan Kitzler, Kasra Zarinehbaf Asadi, Svetlana Kremer +1
Yield aggregators are financial services in Decentralised Finance (DeFi) providing automated investment management and return optimisation for users. In this study, we investigate…
Modern Portfolio Theory in the Crypto-Wilderness
Ivan Vynyavskyy, Stefan Kitzler, Bernhard Haslhofer +1
Modern Portfolio Theory (MPT) prescribes how to maximise the return of an asset portfolio for a given level of risk. The optimal trade-off between return and variance defines the e…
Credibility Matters: Motivations, Characteristics, and Influence Mechanisms of Crypto Key Opinion Leaders
Alexander Kropiunig, Svetlana Kremer, Bernhard Haslhofer
Crypto Key Opinion Leaders (KOLs) shape Web3 narratives and retail investment behaviour. In volatile, high-risk markets, their credibility becomes a key determinant of their influe…
Reuse of Public Keys Across UTXO and Account-Based Cryptocurrencies
Rainer Stütz, Nicholas Stifter, Melitta Dragaschnig +2
It is well known that reusing cryptocurrency addresses undermines privacy. This also applies if the same addresses are used in different cryptocurrencies. Nevertheless, cross-chain…
Slaying the Dragon: The Quest for Democracy in Decentralized Autonomous Organizations (DAOs)
Stefano Balietti, Pietro Saggese, Stefan Kitzler +1
This chapter explores how Decentralized Autonomous Organizations (DAOs), a novel institutional form based on blockchain technology, challenge traditional centralized governance str…
The Economic Impact of DeFi Crime Events on Decentralized Autonomous Organizations (DAOs)
Stefan Kitzler, Masarah Paquet-Clouston, Bernhard Haslhofer
The Decentralized Finance (DeFi) ecosystem has experienced over $10 billion in direct losses due to crime events. Beyond these immediate losses, such events often trigger broader…
Towards Verifiability of Total Value Locked (TVL) in Decentralized Finance
Pietro Saggese, Michael Fröwis, Stefan Kitzler +2
Total Value Locked (TVL) aims to measure the aggregate value of cryptoassets deposited in Decentralized Finance (DeFi) protocols. Although blockchain data is public, the way TVL is…
Linking Cryptoasset Attribution Tags to Knowledge Graph Entities: An LLM-based Approach
Régnier Avice, Bernhard Haslhofer, Zhidong Li +1
Attribution tags form the foundation of modern cryptoasset forensics. However, inconsistent or incorrect tags can mislead investigations and even result in false accusations. To ad…
Detecting Financial Bots on the Ethereum Blockchain
Thomas Niedermayer, Pietro Saggese, Bernhard Haslhofer
The integration of bots in Distributed Ledger Technologies (DLTs) fosters efficiency and automation. However, their use is also associated with predatory trading and market manipul…
Increasing the Efficiency of Cryptoasset Investigations by Connecting the Cases
Bernhard Haslhofer, Christiane Hanslbauer, Michael Fröwis +1
Law enforcement agencies are confronted with a rapidly growing number of cryptoasset-related cases, often redundantly investigating the same cases without mutual knowledge or share…
Mapping the DeFi crime landscape: an evidence-based picture
Catherine Carpentier-Desjardins, Masarah Paquet-Clouston, Stefan Kitzler +1
Decentralized finance (DeFi) has been the target of numerous profit-driven crimes, but the prevalence and cumulative impact of these crimes have not yet been assessed. This study p…
The Governance of Decentralized Autonomous Organizations: A Study of Contributors' Influence, Networks, and Shifts in Voting Power
Stefan Kitzler, Stefano Balietti, Pietro Saggese +2
We present a study analyzing the voting behavior of contributors, or vested users, in Decentralized Autonomous Organizations (DAOs). We evaluate their involvement in decision-makin…
Predictability and Comprehensibility in Post-Hoc XAI Methods: A User-Centered Analysis
Anahid Jalali, Bernhard Haslhofer, Simone Kriglstein +1
Post-hoc explainability methods aim to clarify predictions of black-box machine learning models. However, it is still largely unclear how well users comprehend the provided explana…
Assessing the Solvency of Virtual Asset Service Providers: Are Current Standards Sufficient?
Pietro Saggese, Esther Segalla, Michael Sigmund +3
Entities like centralized cryptocurrency exchanges fall under the business category of virtual asset service providers (VASPs). As any other enterprise, they can become insolvent.…