Tech Xplore - bitcoin

Bitcoin on record tear towards $20,000

Top virtual currency bitcoin briefly soared to a new high Monday, heading towards $20,000 per unit.

Nov 30, 2020

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Virtual gold? Bitcoin's rise sparks new debate amid pandemic

Bitcoin's rally above $15,000 has reignited debate over whether the cryptocurrency is so-called digital gold or a perilously risky bet as investors grapple with the coronavirus pandemic.

Nov 08, 2020

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Bitcoin rises after eagerly awaited 'halving'

Bitcoin rose Wednesday after undergoing an eagerly awaited adjustment that occurs every few years to limit the amount of the virtual currency on the market, building on a recent coronavirus-driven rally.

May 13, 2020

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Researchers find Bitcoin's Lightning network susceptible to cyberattacks

Bitcoin, the decentralized digital currency without a central bank, saw a decline in price due to COVID-19. After announcements of travel restrictions, the price plummeted from $8,000 to $3,800 in one day, according to a ...

May 12, 2020

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Bitcoin world faces 'halving': what's happening?

Bitcoin miners, whose computer processors enable the running of the world's most popular virtual currency, will soon face an event that takes place every four years and alters the profitability of the hi-tech industry.

May 07, 2020

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Bitcoin's threat to the global financial system is probably at an end

2020 could well be the year that the cryptocurrency dream dies. This is not to say that cryptocurrencies will die altogether—far from it. But to all the financial romantics who have cheered the rise of bitcoin and other ...

Jan 06, 2020

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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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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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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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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.