We provide a first systematic account of opportunities and limitations of anti-money
laundering (AML) in Bitcoin, a decentralized cryptographic currency proliferating on the …

A typical consent dialog was shown in 2 x 2 x 3 experimental variations to 80,000 users of
an online privacy tool. We find that polite requests and button texts pointing to a voluntary …

LNCS 7859 - A Secure Submission System for Online Whistleblowing Platforms Page 1 A
Secure Submission System for Online Whistleblowing Platforms Volker Roth1, Benjamin …

This work presents a cryptographic analysis of AN. ON's anonymization protocols. We have
discovered three flaws of differing severity. The first is caused by the fact that the freshness …

There exist well established models for anonymity focusing on traffic analysis, ie, analysing
properties of single messages as, eg, timing. However there is only little work done that use …

Da man im Internet nicht genau erkennen kann, wem man etwas schreibt, solltest du beim
Mailen oder Chatten nie deinen richtigen Namen, sondern immer einen Spitznamen …

Private and public concern about digital security, cybercrime and data privacy is growing the
last few years. If Internet-related markets are flexible enough to cope with security concerns …

Public cloud storage services are gaining in popularity and several commercial actors are
offering their services for users, however, not always with the security and privacy of their …

The recently introduced legislation on data retention to aid prosecuting cyber-related crime
in Europe also affects the achievable security of systems for anonymous communication on …

The rise of the Internet has made anonymous defamation a reality. Tracking the footprints of
anonymous defamation in cyberspace can be difficult from a legal and technological …