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.

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.

Energy & Green Tech

Spotlight glare on Bitcoin as numbers show mining's energy use

(Tech Xplore)—We heard in early studies that Bitcoin used much energy. Digiconomist can take us down memory lane when an investigation into the energy consumption of the Bitcoin network was conducted by Karl J. O'Dwyer ...

Security

Using Bitcoin to prevent identity theft

A reaction to the 2008 financial crisis, Bitcoin is a digital-currency scheme designed to wrest control of the monetary system from central banks. With Bitcoin, anyone can mint money, provided he or she can complete a complex ...

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