Skip to content
British Broadcasting Corporation
  • Home
  • News
  • Sport
  • Business
  • Innovation
  • Culture
  • Arts
  • Travel
  • Earth
  • Audio
  • Video
  • Live

Bitcoin: What are crypto-currencies?

Fans of crypto-currencies say they are the future of money and will stop people having to rely on big banks.

Others are worried about their accountability and environmental impact.

Here's how digital cash like Bitcoin could change our lives.

27 November 2021
Cryptocurrency

Explore More

Erin Lister

Man who binned Bitcoin says it's now worth £500m

19 Nov 2024
Wales
Joe Tidy holding a phone with the picture of a blonde woman

‘Pig butchering’ scammers target BBC reporter

5 Aug 2024
Technology
Nkechi Ogbonna

Binance Nigeria: What happens to your money?

3 May 2024
Africa
Georgetown University Professor Reena Aggarwal talks about Sam Bankman-Fried's case

What happens to crypto after Sam Bankman-Fried?

3 Nov 2023
US & Canada
Vitalik Buterin

Ethereum Merge: A cryptocurrency 'going green'

14 Sep 2022
World
James Howells

Man steps up bid to find £150m Bitcoin hard drive

1 Aug 2022
Wales
Super Bowl 56 stadium

Why are crypto adverts taking over the Super Bowl?

13 Feb 2022
US & Canada
A worker at the Enegix crypto-mine near Ekibastuz, Kazakhstan

Inside Kazakhstan's giant crypto-mine

31 Jan 2022
Technology
woman looking at computer monitors

The FBI launches new mission to 'disrupt' cybercrime

21 Jun 2021
Business
Reporter Omar Mehtab holds some trading cards

Will digital trading cards replace physical ones?

12 Mar 2021
Technology
Spencer Kelly and a penguin

How do cryptocurrencies work?

12 Feb 2018
Technology

A giant orange and red plume rises from the ground in an explosion.

Moment SpaceX rocket explodes into massive fireball

A live stream has captured the moment a SpaceX Starship rocket exploded when preparing for a flight test in Texas on Wednesday.

19 Jun 2025
Technology
Donald Trump wears a blue suit and Elon Musk a black blazer and baseball cap as they sit inside a red Tesla vehicle.

Watch: What's happening with Trump's Tesla parked at White House?

The US president is considering selling his Tesla car - which he says he purchased when he was trying to help Musk promote his company.

6 Jun 2025
Technology
Billboard displaying advert for Nintendo Switch 2 with silhouettes of people queueing, in Paris

Fans queue overnight for the launch of the Nintendo Switch 2

Nintendo's long-awaited Switch 2 has been released worldwide.

5 Jun 2025
Technology
The comedian won best supporting actor for her role as Finlay in Still Wakes the Deep.

How Karen Dunbar helped craft her Bafta-winning video game character

The comedian won best supporting actor for her role as Finlay in Still Wakes the Deep.

9 Apr 2025
Technology
The esports course serves as a starting point for learners who want a career in the sector.

Pupils studying esports in Scottish Borders school

The esports course serves as a starting point for learners who want a career in the sector.

3 Apr 2025
Technology
A black car flying over an SUV in a field

Watch: A real-life flying car takes to the skies

From science-fiction to the real world, flying cars are here - but could the concept actually take off?

23 Feb 2025
Technology
Jesse Eisenberg wearing red cap and headphones speaking into a mic in radio studio

Jesse Eisenberg scorns association with Zuckerberg

The actor, who played the Facebook boss, says he is making vulnerable people "feel threatened".

4 Feb 2025
Technology
Zoe Kleinman holding a mobile phone, stood in front of a screen with the DeepSeek logo on (a purple whale)

Watch DeepSeek AI bot respond to question about China

The BBC tests out the tool to see what type of answers it can and will give.

28 Jan 2025
Technology
BBC's Mark Cieslak

BBC's AI correspondent explains why DeepSeek has caused shockwaves

The Chinese-based large language model is disrupting the AI industry and the stock market.

28 Jan 2025
Technology
Trump supporter Elon Musk gestures at a post-inauguration rally.

Elon Musk's gesture at Trump rally draws scrutiny

He made the gesture while thanking supporters for contributing to Trump's victory.

20 Jan 2025
Technology
The BBC's Lily Jamali is on the left of a split screen with a driverless Tesla taxi on the right

Musk promises self-driving Tesla taxis, but are they safe?

BBC Tech Correspondent Lily Jamali analyses the 'robocabs' and if their technology is up to par.

12 Oct 2024
Technology
AI Clone of BBC Cyber Correspondent Joe Tidy

Watch: Can BBC reporter's AI clone fool his colleagues?

Cyber Correspondent Joe Tidy has an AI clone of himself built to see how sophisticated they can be.

27 Sep 2024
Technology
Rows of cars line a car park at night with red lights on and some in a queue

Driverless cars wake residents with nighttime honking

The robotaxis were stationed in a San Francisco parking lot when a feature to avoid crashes set off the noise.

14 Aug 2024
Technology
Samira Hussain

'My boarding pass and luggage tags were filled in manually'

The BBC's Samira Hussain is in Delhi, trying to catch a flight to go on holiday with her family.

19 Jul 2024
Technology
10 students took part in the project

College students on life without a smartphone

Ten teenagers swap their smartphones for brick phones as part of a week-long digital detox.

11 Jun 2024
Technology
Mobile phone and social media apps

Ros Atkins on... How different countries protect children online

BBC Analysis editor Ros Atkins looks at what what is being done to prevent minors seeing harmful content.

11 May 2024
Technology
Noland Arbaugh beside Neuralink's Bliss Chapman

Neuralink patient seen playing chess using brain implant

In a livestream on X, the patient explained that he was using a device in his brain to move the cursor.

21 Mar 2024
Technology
Nigella Lawson

The celebrities 'deepfaked' for US influencer's ads

Piers Morgan and Oprah have criticised the use of AI deepfake ads used to promote a "manifestation" guide.

24 Feb 2024
Technology
Paul Carter tries out the bionic arm

Paul Carter tries out Atom Limbs bionic arm

BBC Click reporter Paul Carter tries out the Atom Limbs prosthetic with 'full range of human motion'.

22 Feb 2024
Technology
Jason trying out the prosthetic

Jason shows the BBC how the Atom Limbs prosthetic works

Jason lost his arm in an accident in 2012, and he's been working with Atom Limbs to test their prosthetic.

22 Feb 2024
Technology

British Broadcasting Corporation
  • Home
  • News
  • Sport
  • Business
  • Innovation
  • Culture
  • Arts
  • Travel
  • Earth
  • Audio
  • Video
  • Live
  • Weather
  • BBC Shop
  • BritBox

Follow BBC on:

  • Terms of Use
  • About the BBC
  • Privacy Policy
  • Cookies
  • Accessibility Help
  • Contact the BBC
  • Advertise with us
  • Do not share or sell my info
  • BBC.com Help & FAQs

Copyright 2025 BBC. All rights reserved.  The BBC is not responsible for the content of external sites. Read about our approach to external linking.