A 51 percent attack on the ZenCash cryptocurrency shows that proof-of-work blockchains like Bitcoin are vulnerable to large-scale computing power. As just one of several recent attacks, it's possible that those behind it are growing bolder and more ambitious with their targets.
Can't help yourself when it comes to Bitcoin? Castle Craig Hospital is starting to treat cryptocurrency addicts like gambling addicts, and they think they can help you break the "hold on for deal life," or HODL trap. The treatment involves a rather expensive residential program, however.
With the 2018 World Cup tournament looming, a new website called Cryptocup allows users to earn cryptocurrency by predicting the winners of the 64-team tournament, earning tokens for each game they select, with those tokens being thrown into a pot that will be awarded to the winner. Tokens can be sold on the crypto market as well.
The Justice Department is now working with the U.S. Commodity Futures Trading Commission to launch a criminal investigation to determine if digital coin traders are manipulating prices using illegal practices such as spoofing and wash trading. Sources say the federal probe is in the early stages.
How much energy is required to mine Bitcoin or other cryptocurrencies? A recent study estimates that Bitcoin mining uses as much energy as Ireland, but some experts disagree with those findings.
Circle, a payment startup that’s backed by multinational investment banking leviathan Goldman Sachs, has just announced the launch of its very own bitcoin rival. Called Circle USD Coin, it’s the first cryptocurrency to be created and released by one of the world’s leading financial giants.
Growing interest in Bitcoin is wielding a double-edged sword against cryptocurrency operations. Bitcoin mining is estimated to consume 0.5 percent of the world's energy consumption this year, and rising cost needed to cool mining facilities may make cryptocurrency mining unprofitable.
A German bank, Bitbond, is using Bitcoin and other cryptocurrencies to facilitate international loans. The bank's founder believes that Bitcoin can make for quicker and more affordable loans while lowering the risk of falling victim to cryptocurrency volatility.
Kodak licensee Wenn Digital is using blockchain to create a registry of images called KodakOne and cryptocurrency to pay photographers for images. While KodakOne is slated to arrive late this year, the cryptocurrency KodakCoin will launch on May 21 with SEC-registered broker-dealers.
Facebook's leadership structure looks a bit different now -- but even users that don't care about the who's who of Facebook could see the effects as the company creates teams for privacy tools and blockchain technology. The change creates three divisions for Facebook, each with a number of different teams.
Developed by veterans of The Spoils, Volition is a collectible card game from Cryptogogue that uses blockchain technology. It lets players customize their play with upgrades, augments, and customized fan art. It will even have its own cryptocurrency, using miners to discover new cards and booster packs.
Coinhive's javascript cryptocurrency miners have been found installed on more than 400 websites that contained a vulnerability in the Drupal content management system. The cryptojackers behind it have made off with heaps of cryptocurrency off of the backs of unwitting website owners and visitors.
Games from Space is a new PC gaming service that allows users to loan the power of their GPU to earn free digital games. The selection of titles includes newer releases like PlayerUnknown's Battlegrounds, and the time it takes you to earn a new game will vary depending on the power of your GPU.
A lot of fitness buffs are curious about Sweatcoin but many people don't fully understand how to use the app. In fact, a lot of folks don't even know what it is at all. So what is Sweatcoin? Here, we've explained all about the exercise-based cryptocurrency and how to use it.
Believe it or not, folks used to insulate their homes with asbestos and smoke on airplanes without worry. What is the technology we use today which may prompt similar 'what were they thinking?' reactions in just a few decades' time? Here are our picks for eight such trends.
Miner One launched a new initial coin offering (ICO) campaign that sent the Space Miner One cryptocurrency mining rig to space to mine for bitcoin. Miner One expects to raise $10 million as part of its ICO to build a cryptocurrency mining center in Sweden and share the benefits with investors.
Over the years, there have been many challenges seeking to take Steam's throne as the leader in PC gaming distribution. Now, a blockchain-based startup is hoping it can use the new technology to provide an alternative to Steam.
Ever wondered what it's like inside a bitcoin mine? Since it's a digital currency, you can't just dig it up with a pickaxe -- so to get an inside look at how it works, we packed up our cameras and drove up to Wenatchee, Washington to see a mine in person. Check out the video to get an inside look!
Outside of cryptocurrency, IBM's use of blockchain in jewelry manufacturing will give greater transparency to this business and help consumers choose ethically sourced gems. Consumers will soon be able to scan a QR code using their smartphone to see the origins and manufacturing of their jewelry.
The Bezop cryptocurrency ecommerce platform might promise security for users, but early investors have become victims of a preventable leak in the form of an unsecured database which contained reams of personal information, including names, email addresses, and email driving license and passport scans.
A new type of 'quantum blockchain' that effectively acts like a time machine could make it possible to avoid the problem faced by developers when quantum computers can easily break traditional encryption systems. Such a system could, in theory, protect blockchain platforms like Bitcoin in the future.
Paxful co-founder Ray Youssef wants to give back to world with Bitcoin after the cryptocurrency helped him go from homeless to a major Bitcoin success. His high-minded ideas about what Bitcoin can accomplish have helped him help himself, and others, but hasn’t kept Youssef away from controversy.
An Amazon patent filing from 2014 that has only just been given approval suggests that the retail giant is interested in identifying both parties behind Bitcoin transactions by teaming up with telecom companies. This suggests Amazon could sell access to that information to groups like law enforcement.
Two wrongs don't make a right, and that's especially true for Cambridge Analytica, which had collected information from more than 87 million Facebook users. Now, a former employee reveals that the company has been working on its own cryptocurrency designed to sell your own personal data back to you.
Tesla hits the brakes on Model 3 production just when it needs to ramp it up, Apple eyes a broader news focus (and business), we explain that ever-mysterious 'blockchain' thingie.
What are smart contracts? They're like traditional contracts, but instead of being backed by lawyers at either end, they're backed by computing algorithms and they could change the way many industries operate.
Centralized and controlled entirely by their developer, modern online games engage players, yet often leave them with little they can claim as their own. Blockchain will disrupt that status quo. It’s also sure to have unintended consequences.
The creator of Javascript and founder of Mozilla, Brendan Eich, thinks he has a blockchain-based solution. It’s secure, private, technologically advanced and, best of all, ensures everyone involved in online ads receives payment – including you.