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cryptocurrency

2021 was the year cryptocurrencies went completely off the rails

Technology

2021 was the year cryptocurrencies went completely off the rails

Few of us have ever used cryptocurrencies, yet some of the schemes being dreamed up to tempt consumers are surreal and even alarming, writes Annalee Newitz

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coal power plant

Technology

Ethereum cryptocurrency delays emissions-slashing upgrade again

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Bitcoin price chart on digital exchange on smartphone, cryptocurrency future price action prediction.

Technology

Most cryptocurrency trades may be people buying from themselves

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One of the rare first official copies of the US Constitution on display Sotheby's in New York

Technology

A radical cryptocurrency experiment nearly bought the US Constitution

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stickers used as part of a campaign against the use of Bitcoin as legal tender

Technology

El Salvador's bitcoin adoption hit by an easy money-making loophole

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Bitcoin mining USB devices

Technology

US becomes world's largest bitcoin miner after China crackdown

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Starbucks coffee shop

Technology

Why has El Salvador officially adopted bitcoin as its currency?

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2F8A64A Paypal app seen on the smartphone screen placed on top bitcoin coins pile. Concept. Stafford, United Kingdom, April 12, 2021.

Technology

Will PayPal's adoption of bitcoin make cryptocurrency more mainstream?

Analysis

Coal-powered bitcoin mining soars in Kazakhstan following Chinese ban

Technology

Coal-powered bitcoin mining soars in Kazakhstan following Chinese ban

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Ethereum cryptocurrency creator voices concern over carbon footprint

Technology

Ethereum cryptocurrency creator voices concern over carbon footprint

A fundamental change to the second largest cryptocurrency to slash its carbon footprint by 99 per cent is just six to nine months away, says its creator

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Technology

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

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Technology

Why have Elon Musk and Tesla suddenly turned against bitcoin?

Analysis

Technology

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

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Technology

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

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