Zero-knowledge proofs explained: Part 1
Zero-knowledge proofs explained Part 2: Non-interactive zero-knowledge proofs Cryptography mostly concerns itself with secure communications and includes hiding information from adversaries and authentication of individuals. Hashes,...
An interview with Mark Burdon on the sensor society phenomenon
Our devices, as convenient as they may be, are getting creepily good at collecting data. Phones, cars, and even carpets are packed full of...
An interview with Bruce Schneier on the Internet of Things, global surveillance, and cybersecurity
Bruce Schneier is a world-renowned cryptographer and security technologist whom the Economist has dubbed an “internet-security guru.” Schneier has authored a dozen books since...
How you could lose everything with Bitcoin
With the value of cryptocurrencies skyrocketing into the $100 billion range, it’s easy to get infected by the biggest “digital gold rush” since the...
Whistleblowing guide: How to protect your sources
** This is part three of ExpressVPN's whistleblowing guide. ** Part 1: Whistleblowing guide: Blowing the whistle is tough
Part 2: Whistleblowing guide: How to stay...
The best ways to secure your Bitcoins
Not only has Bitcoin’s value gone up over the past year, but the available options for Bitcoin storage have also increased. The choice can...
Internet safety guide: 5 ways to help your child stay safe online
You may not see it on the evening news, but the world of education technology is booming. In fact, experts say investments in the...
Meet OSTIF, the privacy advocates who make the internet safer by auditing its code
ExpressVPN talks to Derek Zimmer: President and CEO of the Open Source Technology Improvement Fund (OSTIF), about his organization, the audit of OpenVPN, and...
An interview with OSTIF, the team behind the OpenVPN audit
You’ve just completed your security audit of OpenVPN. Two people worked for almost two months on this project. How does such an audit work?
It...
The NSA versus the CIA: How to protect yourself from both
In 2013, Edward Snowden showed the National Security Agency (NSA) has a global surveillance apparatus covering all our digital communications. Then, in 2017, Wikileaks released...
