The Guardian view on crypto’s latest crash: it reveals who pays the price for a failing economy

Editorial: The bitcoin collapse lifts the lid on a society without opportunity, where risk is privatised and rightwingers sell illusions of freedom while ordinary punters bear losses

Klarna says AI drive has helped halve staff numbers and boost pay

Buy now, pay later firm says pay has risen by 60% with staff numbers mostly cut by attrition and tech investment

Crypto market sheds more than $1tn in six weeks amid fears of tech bubble

Bitcoin price at lowest level since April while FTSE 100 falls as Google boss warns there is ‘irrationality’ in AI boom

Don’t blindly trust everything AI tools say, warns Alphabet boss

Sundar Pichai says artificial intelligence models are ‘prone to some errors’ and warns of impact if AI bubble bursts

UK consumers warned over AI chatbots giving inaccurate financial advice

Which? study of ChatGPT, Copilot and others uncovers incorrect and misleading tips on investments, tax and insurance

GWR train fitted with F1 tech for two-month superfast wifi trial

Tryout of system, which switches between signals from 5G masts to low Earth-orbit satellites, could lead to wider rollout

AI firms must be clear on risks or repeat tobacco’s mistakes, says Anthropic chief

Artificial intelligence will become smarter than ‘most or all humans in most or all ways’, says Dario Amodei

Reeves could allow holiday tax on English hotel and Airbnb stays

Move to give mayors powers to raise funds through levies, but industry says it will ramp up prices and inflation

Paul McCartney joins music industry protest against AI with silent track

Former Beatle and artists including Sam Fender, Kate Bush and Hans Zimmer record silent LP Is This What We Want

FCA’s first deputy CEO calls for stronger grip on vital tech firms

Sarah Pritchard suggests City regulator will make use of oversight powers amid growing number of outages

US markets struggle amid tech sell-off and economic uncertainty

Wall Street endured its worst day in a month on Thursday as fears that tech companies are now overvalued loom large

Fossil fuel lobbyists outnumber all Cop30 delegations except Brazil, report says

One in every 25 participants at 2025 UN climate summit is a fossil fuel lobbyist, according to Kick Big Polluters Out

UK firms can win a significant chunk of the AI chip market

Britain’s legacy in chip design is world-class, and we could supply up to 5% of global demand if we get our act together

EU investigates Google over ‘demotion’ of commercial content from news media

Some content created with advertisers is no longer visible, which could mean loss of revenue, officials say

SoftBank sells stake in Nvidia for $5.8bn as it doubles down on OpenAI bets

Shares in chipmaker Nvidia fall after announcement by Japanese investor, with other tech shares also slipping