Tips & tricks

Best Edward Snowden Tweets
4 mins
5 defiant, worrying, or outright bizarre Edward Snowden statements
Here are some of his strangest, strongest, and most influential things Snowden has said over the last few years.
How to improve your digital security
1 min
4 guides that will help improve your digital security
The ExpressVPN blog features advice, explanations, reviews, information security updates, online privacy, politics, ExpressVPN products, and all the things about which we are passionate. Some...
Supreme Court building overflowing with data
4 mins
Two Supreme Court cases that will redefine your digital privacy in 2018
NOTE: This post was originally published on January 16, 2018 Within the next six months, the U.S. Supreme Court will rule on two cases that...
Bitcoin's multisig wallets and how to use them
6 mins
How to use Bitcoin’s multisignature wallets
A Bitcoin generally can only be spent by its owner as identified through their public key hash, e.g., their Bitcoin address. The Bitcoin protocol...
Non-interactive zero-knowledge proofs example: Sudoku and playing cards
2 mins
Zero-knowledge proofs explained Part 2: Non-interactive zero-knowledge proofs
In part 1 of our zero-knowledge proof series, we explained how a zero-knowledge proof could work when the verifier and the prover interact with...
North Korea and Bitcoin
6 mins
Meet Federico Tenga: The guy who teaches North Koreans about Bitcoin
Despite being the most hermetic country on Earth, North Korea is certainly no stranger to cyberspace—in both its uses and abuses. Despite a tiny...
Get the ExpressVPN Cyber Monday 2018 deal
1 min
ExpressVPN’s 2017 Cyber Monday and Black Friday VPN Discount!
***ExpressVPN's 2017 Cyber Monday deal is over, but you can still get 35% off a one year subscription!*** Black Friday is back, which means it’s...
What is zero-knowledge proof?
3 mins
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
6 mins
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...
Bruce Schneier on IoT
3 mins
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...

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