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Image of a bitcoin in a cloud of emissions

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Bitcoin has emitted 200 million tonnes of CO2 since its launch

Bitcoin's demand for electricity has led to huge carbon emissions, but a slump in the cryptocurrency's price and rising energy costs have slowed its energy use, at least temporarily

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Man holding laptop next to bank of computer equipment

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Plan to cut Ethereum energy use sees miners switch cryptocurrencies

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An Ethereum office

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

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A cracked bitcoin token

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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

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

Analysis

CAR bitcoins

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Will bitcoin succeed in the Central African Republic? Probably not

Analysis

Royal Mint NFT

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

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An employee in front of a screen displaying charts for cryptocurrencies at the Independent Reserve office in Sydney, Australia, on Friday, March 4, 2022. Bitcoin and other cryptocurrencies??rose earlier??in the week on the expectation that they might gain traction during Russias invasion of Ukraine. The advance was then??stymied by concern??about the effect of international sanctions against Russia. Photographer: Brent Lewin/Bloomberg via Getty Images

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

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2HK2K9K WEB 3.0 abstract sign with blockchain 3d illustration

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

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2G26J6E Roberto Carlos Silva, owner of La Zontena store, poses at his business where he accepts Bitcoins at El Zonte Beach in Chiltiupan, El Salvador June 8, 2021. REUTERS/Jose Cabezas

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El Salvador's bitcoin gamble draws crypto-tourists but angers locals

The adoption of cryptocurrency as legal tender by El Salvador's government has attracted enthusiastic tourists, concern from financial institutions and scorn from locals

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UK intelligence agencies are investigating cryptocurrency transactions

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El Salvador revamps bitcoin wallet after complaints of theft and fraud

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Quantum computers are a million times too small to hack bitcoin

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Kazakhstan unrest takes down a fifth of global bitcoin mining network

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