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Q-Day could destroy bitcoin – and our retirement savings

Even if you’ve never bought any cryptocurrency, like columnist Karmela Padavic-Callaghan, your money may be affected by bitcoin’s fate – which is uncertain, as quantum computing advances are threatening to make the encryption protecting it useless

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Technology

'Green' cryptocurrency uses 18 times more energy than makers claim

News

Technology

Quantum computers could usher in a crisis worse than Y2K

Insight

The 5 worst ideas of the 21st century – and how they went wrong

Humans

The 5 worst ideas of the 21st century – and how they went wrong

Features

Technology

US government wants to tax bitcoin to reduce its environmental impact

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Technology

Bitcoin creator Satoshi Nakamoto dismissed early climate concerns

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Technology

Bitcoin halving: When is it and what does it actually mean?

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Technology

Reddit mentions may help predict changes in cryptocurrency value

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Technology

Should nations try to ban bitcoin because of its environmental impact?

News

Technology

NFTs died a slow, painful death in 2023 as most are now worthless

Non-fungible tokens promised to revolutionise the concept of ownership using the blockchain technology behind bitcoin, but the market seems to have all but collapsed

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Technology

A tale of two Silicon Valley Sams – Bankman-Fried and Altman

Comment

Technology

A single bitcoin transaction uses enough water to fill a swimming pool

News

Technology

Going Infinite review: Who is Sam Bankman-Fried?

Culture

Technology

Quantum computers could slash the energy use of cryptocurrencies

News