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.

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