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cryptocurrency

Elon Musk

Technology

Why have Elon Musk and Tesla suddenly turned against bitcoin?

Elon Musk has performed a sudden U-turn on bitcoin over concerns about its energy usage, and says his electric car firm Tesla will no longer accept the cryptocurrency as payment

Analysis

cryptocurrency mining farm

Technology

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

News

Mining bitcoin requires a lot of computer power

Technology

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

News

NFT

Technology

NFT developers say cryptocurrencies must tackle their carbon emissions

News

What are NFTs?

Definition

Non-fungible tokens (NFTs)

Bitcoin miner

Technology

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

News

Bitcoin

Definition

What is bitcoin and how does it work?

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Technology

Working hypothesis: From Pokémon Sleep to David Camerson

Insight

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Technology

Working hypothesis: from buzzwords to Amazon workers

News

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Technology

Working hypothesis: From Japanese phone numbers to Woody Harrelson

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

News

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

News

Technology

Bitcoin has become an environmental, as well as financial, disaster

Leader

Technology

Bitcoin's price is plummeting – will the cryptocurrency survive?

Insight

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