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bitcoin & cryptocurrency

Technology

Ethereum closed a big security hole with its energy-saving update

At least one cryptocurrency based on the old version of Ethereum is still vulnerable to a software flaw that enables attackers to steal funds

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Technology

Cryptocurrency Ethereum has slashed its energy use by 99.99 per cent

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Why the tech apocalypse of 2022 was largely a good thing

Technology

Why the tech apocalypse of 2022 was largely a good thing

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A physical representation of bitcoin on a chip

Technology

Emissions from mining a single bitcoin have increased 126-fold

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Image of a bitcoin in a cloud of emissions

Technology

Bitcoin has emitted 200 million tonnes of CO2 since its launch

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Man holding laptop next to bank of computer equipment

Technology

Plan to cut Ethereum energy use sees miners switch cryptocurrencies

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An Ethereum office

Technology

Ethereum Merge: What will the radical update mean for cryptocurrency?

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A cracked bitcoin token

Technology

If cryptocurrencies are unhackable, how do they keep getting stolen?

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Mandatory Credit: Photo by Moises Castillo/AP/Shutterstock (12786687d) Bitcoin sign is displayed on the window of a cell phone store in San Salvador, El Salvador, . The government of El Salvador on Monday rejected a recommendation by the International Monetary Fund to drop Bitcoin as legal tender in the Central American country Bitcoin, San Salvador, El Salvador - 02 Feb 2022

Technology

What will the crypto crash mean for 'bitcoin nation' El Salvador?

Analysis

Cryptocurrency coins

Technology

Cryptocurrency mining is still on the rise despite huge price drops

The value of bitcoin and other cryptocurrencies has plummeted in recent weeks, but the computer power devoted to the industry continues to rise

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Technology

Will bitcoin succeed in the Central African Republic? Probably not

Analysis

Technology

Why is the UK government getting into NFTs and is it a good idea?

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Technology

Will bitcoin help or hinder Ukraine's fight against Russian invasion?

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Technology

Web3 is an empty buzzword – but beware, it can still hurt you

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