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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?

Cryptocurrencies like bitcoin are being used to raise funds to buy weapons for Ukraine, help refugees swiftly carry money across borders and potentially even aid Russians in evading sanctions

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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

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Bitcoin

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UK intelligence agencies are investigating cryptocurrency transactions

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A vendor hods a sign reading

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El Salvador revamps bitcoin wallet after complaints of theft and fraud

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Bitcoin graphic

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Quantum computers are a million times too small to hack bitcoin

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Mandatory Credit: Photo by Vladimir Tretyakov/AP/Shutterstock (12702499h) Riot police gather to block demonstrators during a protest in Almaty, Kazakhstan, . Demonstrators denouncing the doubling of prices for liquefied gas have clashed with police in Kazakhstan's largest city and held protests in about a dozen other cities in the country Protests, Almaty, Kazakhstan - 05 Jan 2022

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Kazakhstan unrest takes down a fifth of global bitcoin mining network

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LONDON, ENGLAND - OCTOBER 24: A visual representation of the digital Cryptocurrency, Bitcoin on October 24, 2017 in London, England. Cryptocurrencies including Bitcoin, Ethereum, and Lightcoin have seen unprecedented growth in 2017, despite remaining extremely volatile. While digital currencies across the board have divided opinion between financial institutions, and now have a market cap of around 175 Billion USD, the crypto sector coninues to grow, as it sees wider mainstreem adoption. (Photo by Dan Kitwood/Getty Images)

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UK police forces have seized more than £300 million in bitcoin

Insight

Newspaper seller

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Hundreds of Salvadorans claim money is vanishing from bitcoin accounts

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2021 was the year cryptocurrencies went completely off the rails

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2021 was the year cryptocurrencies went completely off the rails

Few of us have ever used cryptocurrencies, yet some of the schemes being dreamed up to tempt consumers are surreal and even alarming, writes Annalee Newitz

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Ethereum cryptocurrency delays emissions-slashing upgrade again

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US becomes world's largest bitcoin miner after China crackdown

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Will PayPal's adoption of bitcoin make cryptocurrency more mainstream?

Analysis

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Coal-powered bitcoin mining soars in Kazakhstan following Chinese ban

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