SoK: a Survey of Mixing Techniques and Mixers for Cryptocurrencies

Blockchain technologies have overturned the digital finance industry by introducing a decentralized pseudonymous means of monetary transfer. The pseudonymous nature introduced privacy concerns, enabling various deanonymization techniques, which in turn spurred development of stronger...

Best Data Anonymization Tools in 2025

Top Data Anonymization Tools of 2025 to protect sensitive information, ensure compliance, and maintain performance across industries...

Russia to Fine Search Engines for Linking to Banned VPN services

In its years-long efforts to censor the Internet by blocking access to a large number of websites in the country, Russia has now approved a new bill introducing fines for search engines that provide links to banned sites, VPN services, and anonymization tools. VPNs, or Virtual Private Networks, a...

Operations of a Brazilian Payment Card Fraud Group

Introduction Brazil has been designated a major hub for financially motivated eCrime threat activity. Brazilian threat actors are targeting domestic and foreign entities and individuals, with frequent targeting of U.S. assets. The country routinely places in "Top Five" lists of various global cyb...