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Coal-powered bitcoin mining soars in Kazakhstan following Chinese ban

Technology

Coal-powered bitcoin mining soars in Kazakhstan following Chinese ban

A Chinese bitcoin ban has seen power-hungry miners move to Kazakhstan, where fossil fuels including coal power make up more than 90 per cent of the nation's electricity supply

News

Ethereum cryptocurrency creator voices concern over carbon footprint

Technology

Ethereum cryptocurrency creator voices concern over carbon footprint

News

Hard discs

Technology

Bitcoin rival Chia 'destroyed' hard disc supply chains, says its boss

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Elon Musk

Technology

Why have Elon Musk and Tesla suddenly turned against bitcoin?

Analysis

cryptocurrency mining farm

Technology

'Green' bitcoin alternative Chia is leading to hard disc shortages

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Mining bitcoin requires a lot of computer power

Technology

Bitcoin mining emissions in China will hit 130 million tonnes by 2024

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What are NFTs?

Definition

Non-fungible tokens (NFTs)

Bitcoin miner

Technology

Bitcoin's climate change impact may be much smaller than we thought

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Bitcoin

Definition

What is bitcoin and how does it work?

Technology

Working hypothesis: From Pokémon Sleep to David Camerson

Our regular column sorting the week's supernovae from the absolute zeros

Insight

Technology

Working hypothesis: from buzzwords to Amazon workers

News

Technology

Working hypothesis: From Japanese phone numbers to Woody Harrelson

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Technology

It now costs more to make bitcoin than the cryptocurrency is worth

News

Technology

Hackers are stealing computer power to make millions in cryptocurrency

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