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What is KRACK? KRACK is an acronym for Key Reinstallation Attack.  The breach was discovered by Mathy Vanhoef, a postdoctoral researcher at the Catholic University of Leuven in Belgium. It is a very clever attack targeting the WPA2 protocol, which is the latest standard, and is considered to be very secure. KRACK targets a vulnerability...
You might think that by using a popular and leading VPN solution you ensure that your IP address and online activities remain concealed. Unfortunately, even the priciest and most sophisticated VPN won’t protect you from IP leaks originating in your browser or operating system. To verify that your information and identity are indeed safely concealed,...
Before someone decides which VPN provider to choose, the first question that comes to mind is whether or not VPNs are legal. It is a very common question that people ask in online forums, and – given the implications of breaking a law – it is a good idea to understand it completely. The answer...
Have you heard of Bitcoin? It’s almost a rhetorical question at this point. Bitcoin continues to gain mainstream popularity and is discussed constantly in the media. However, that doesn’t mean everyone understands what it is. In fact, most people don’t. The nature of the technology on which Bitcoin operates – the blockchain – can be...
Today we will look at ways of mining Ethereum – an open-source blockchain based distributed system for decentralized applications. Although similar to Bitcoin, it’s different in a number of ways that we’ll discuss here. Let’s get started. What is Ethereum and how is it different from Bitcoin? In simple terms, Ethereum is to applications (apps)...
Encryption is used nowadays on even the simplest of apps. Since it’s so simple to hack your information online, encryption and other types of cryptography are the best tools available to protect your information. Most applications and programs use some sort of encryption. The best VPNs use AES with 256 bit-keys, which is one of...
Whenever we talk about blockchain, immutability is the next thing that comes up. There are different views on the topic, but when it comes down to it, everyone is looking for an answer to a single question – are blockchain and Bitcoin immutable? The short answer is – Yes, blockchains and Bitcoins cannot be changed....