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08/01/2023
Anatomy of a High-Profile Data Breach: Dissecting the Aftermath of a Crypto-Wallet Case
Media reports show an alarming increase of data breaches at providers of...
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03/31/2022
Parallel Proof-of-Work with Concrete Bounds
Authorization is challenging in distributed systems that cannot rely on ...
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09/29/2021
Conflicting Privacy Preference Signals in the Wild
Privacy preference signals allow users to express preferences over how t...
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09/22/2021
Who are the arbitrageurs? Empirical evidence from Bitcoin traders in the Mt. Gox exchange platform
We mine the leaked history of trades on Mt. Gox, the dominant Bitcoin ex...
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06/14/2021
iNNformant: Boundary Samples as Telltale Watermarks
Boundary samples are special inputs to artificial neural networks crafte...
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06/14/2021
More Real than Real: A Study on Human Visual Perception of Synthetic Faces
Deep fakes became extremely popular in the last years, also thanks to th...
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06/04/2021
Privacy Preference Signals: Past, Present and Future
Privacy preference signals are digital representations of how users want...
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02/01/2021
Forensicability of Deep Neural Network Inference Pipelines
We propose methods to infer properties of the execution environment of m...
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12/07/2020
Pricing Security in Proof-of-Work Systems
A key component of security in decentralized blockchains is proof of opp...
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05/07/2020
Collaborative Deanonymization
We propose protocols to resolve the tension between anonymity and accoun...
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01/08/2020
Watching the Weak Link into Your Home: An Inspection and Monitoring Toolkit for TR-069
TR-069 is a standard for the remote management of end-user devices by se...
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10/19/2019
Rationality is Self-Defeating in Permissionless Systems
We outline a metacircular argument explaining why it is rational to be i...
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08/27/2019
Multiple Purposes, Multiple Problems: A User Study of Consent Dialogs after GDPR
The European Union's General Data Protection Regulation (GDPR) requires ...
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07/31/2019
HotPoW: Finality from Proof-of-Work Quorums
We build a bridge between the notions of Byzantine and Nakamoto consensu...
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07/29/2019
The Operational Cost of Ethereum Airdrops
Efficient transfers to many recipients present a host of issues on Ether...
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11/28/2018
Detecting Token Systems on Ethereum
We propose and compare two approaches to identify smart contracts as tok...
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03/09/2018