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cryptocurrency

NFT

Technology

NFT developers say cryptocurrencies must tackle their carbon emissions

Two software developers who worked on the creation of the most popular non-fungible tokens, which are used to sell artwork online, say changes are needed to rein in their vast energy use and carbon emissions

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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?

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Technology

Working hypothesis: From Pokémon Sleep to David Camerson

Insight

New Scientist Default Image

Technology

Working hypothesis: from buzzwords to Amazon workers

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New Scientist Default Image

Technology

Working hypothesis: From Japanese phone numbers to Woody Harrelson

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bitcoin image

Technology

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

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Monero on a screen

Technology

Hackers are stealing computer power to make millions in cryptocurrency

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rows of computer servers

Technology

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

Bitcoin investors have had a rough ride this year as the price of the cryptocurrency has tumbled, making it less economical to produce the coins

Insight

Technology

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

Leader

Technology

Venezuela’s cryptocurrency is about much more than its economic crisis

Comment

Technology

Why the end of cash could cause a new data disaster

Features

Technology

How to think about... The blockchain

Features

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