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.

Business

Could cryptocurrency dethrone the dollar?

Bank of England governor Mark Carney has suggested that a virtual currency, modelled on Facebook's Libra, could one day replace the dollar as king of the foreign exchange market.

Business

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.

Business

Markets ponder Musk role in cryptocurrency turbulence

First he loved them, then he doubted them, but is he manipulating them? Tesla boss Elon Musk's tweets about cryptocurrencies like bitcoin are annoying their devotees and raising eyebrows among market watchers.

Internet

China gets into blockchain race with US

China has launched an ambitious effort to challenge the US dominance in blockchain technology, which it could use for everything from issuing digital money, to streamlining a raft of government services and tracking Communist ...

Security

S Korea seeks Interpol notice for two cyber gang leaders

South Korea said Friday it's asked Interpol for help to arrest two foreigners it alleges played a leading role in cyberattacks and large-scale extortion that targeted South Korean and U.S. companies.

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