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.

Security

150 people arrested in US-Europe darknet drug probe

Law enforcement officials in the U.S. and Europe have arrested 150 people and seized more than $31 million in an international drug trafficking investigation stemming from sales on the darknet, the Justice Department said ...

Business

ECB inches closer to 'digital euro'

The European Central Bank inched closer to a "digital euro" on Wednesday with the formal launch of a pilot project, but questions remain about potential pitfalls and benefits for eurozone citizens.

Business

Coinbase brings cryptocurrencies to Wall Street

The arrival Wednesday of cryptocurrency exchange Coinbase on Nasdaq is one of the most anticipated events of the year on Wall Street, where enthusiasm for record-breaking bitcoin is in full swing, despite questions about ...

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