Measuring Polkadot: The Impact of Tor and a VPN on Polkadot's Performance and Security

Begun in 2020, Polkadot is one of the largest blockchains in market capitalization and development. However, privacy on the Polkadot network has yet to be one of the key focus points. Especially unlinkability between the user’s IP address and Polkadot address is essential. Without this unlinkability, users are vulnerable to targeted ads,...

Ethix : Hybrid VPN

The world is getting more and more censored, and the currently available solutions work but with high latency costs. We proposed Ethix, a low latency general-purpose architecture with differential privacy, low network overhead and high theoretical censorship evasion. The Ethix system is a hybrid VPN architecture that uses both centrally...

The Impact of User Location on Cookie Notices: (Inside and Outside of the European Union)

The web is global, but privacy laws differ by country. Which set of privacy rules do websites follow? We empirically study this question by detecting and analyzing cookie notices in an automated way. We crawl 1,500 European, American,and Canadian websites from each of 18 countries. We detect cookie notices on 40% of websites in our sample. We...