Crypto-currencies and criminality: myth or reality?
The recent bust of a worldwide international paedophile ring using Bitcoin payments highlighted one of the key fears surrounding crypto-currencies—their use by criminals.
Nov 03, 2019
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Business
News tagged with bitcoin
Business
China wants centralised digital currency after bitcoin crackdown
As Facebook readies to launch its answer to bitcoin, China is set to introduce its own digital currency—one that could allow the government and the central bank to see what people spend their money on, according to analysts.
Oct 15, 2019
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Business
Cryptocurrencies can help create 'parallel society': hackers
A hackers' congress in Prague on Friday hailed the new cryptocurrencies as a tool to break free from the constraints of modern life and move towards a freer "parallel society".
Oct 04, 2019
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Security
Hacker seeking bitcoin ransom hits Spanish city's computer sytem
A hacker has taken over the computer system of the southern Spanish city of Jerez de la Frontera and is demanding a ransom paid in bitcoin to unlock it, local officials said Friday.
Oct 04, 2019
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8
Computer Sciences
The blockchain concept
Blockchain is the technology that underpins cryptocurrencies such as Bitcoin. Fundamentally, the blockchain is simply a ledger, a digital record of transactions associated with a digital currency, a Bitcoin, for instance. ...
Oct 02, 2019
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10
Business
Austria telecoms provider accepts cryptocurrency
Austria's leading telecoms provider A1 sid Thursday that it was letting customers pay in cryptocurrency under a pilot project to test the popularity of virtual payments.
Aug 22, 2019
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3
Computer Sciences
Making blockchain transactions secure and private
Blockchains have become an important part of internet technology. They are used for cryptocurrencies such as Bitcoin, but also for other security-sensitive tasks, such as managing supply chains for high-tech factories. Although ...
Jul 25, 2019
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6
Business
Bitcoin craze hits Iran as US sanctions squeeze weak economy
Iranians feeling the squeeze from U.S. sanctions targeting the Islamic Republic's ailing economy are increasingly turning to such digital currencies as Bitcoin to make money, prompting alarm in and out of the country.
Jul 18, 2019
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2
Computer Sciences
Bringing the blockchain into the physical world
A kit made from everyday objects is bringing the blockchain into the physical world.
Jul 10, 2019
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86
Energy & Green Tech
Bitcoin compared to what? New index shows energy consumption
Bitcoin has landed front and center in the ongoing debate over benefits of cryptocurrencies and impact on the environment.
Jul 08, 2019 weblog
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275
Energy & Green Tech
Empirical energy consumption model quantifies Bitcoin's carbon footprint
Researchers have conducted the first analysis of Bitcoin power consumption based on empirical data from IPO filings and localization of IP addresses. They found that the cryptocurrency's carbon emissions measure up to those ...
Jun 12, 2019
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137
Energy & Green Tech
Renewable energy won't make Bitcoin 'green,' but tweaking its mining mechanism might
The cryptocurrency Bitcoin is known for its massive energy footprint. Now, researcher Alex de Vries, from PricewaterhouseCoopers (PwC) in the Netherlands, suggests that renewable hydropower production cannot supply the large ...
Mar 14, 2019
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129
Energy & Green Tech
Mining bitcoin uses more energy than Denmark: study
Extracting a dollar's worth of cryptocurrency such as bitcoin from the deep Web consumes three times more energy than digging up a dollar's worth of gold, researchers said Monday.
Nov 05, 2018
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1273
Energy & Green Tech
Bitcoin estimated to use half a percent of the world's electric energy by end of 2018
Bitcoin's burgeoning electricity demands have attracted almost as much attention as the cryptocurrency's wildly fluctuating value. But estimating exactly how much electricity the Bitcoin network uses, necessary for understanding ...
May 16, 2018
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152
Internet
Is your computer secretly mining Bitcoin alternatives? A guide to 'cryptojacking'
Nothing comes for free, especially online. Websites and apps that don't charge you for their services are often collecting your data or bombarding you with advertising. Now some sites have found a new way to make money from ...
Dec 19, 2017
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