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cryptocurrency

Image of a bitcoin in a cloud of emissions

Technology

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

News

Man holding laptop next to bank of computer equipment

Technology

Plan to cut Ethereum energy use sees miners switch cryptocurrencies

News

An Ethereum office

Technology

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

News

A cracked bitcoin token

Technology

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

News

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

News

CAR bitcoins

Technology

Will bitcoin succeed in the Central African Republic? Probably not

Analysis

Royal Mint NFT

Technology

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

News

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

Technology

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

News

2HK2K9K WEB 3.0 abstract sign with blockchain 3d illustration

Technology

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

There's plenty of excitement about a new, decentralised version of the internet. It is largely still a fantasy, but scammers are using it to lure in unsuspecting victims, writes Annalee Newitz

Comment

Technology

UK intelligence agencies are investigating cryptocurrency transactions

News

Technology

Cryptocurrency crimes have got too big for the US government to ignore

Analysis

Technology

El Salvador revamps bitcoin wallet after complaints of theft and fraud

News

Technology

Quantum computers are a million times too small to hack bitcoin

News

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