Electric carmaker Tesla said it bought $1.5bn   in bitcoin and would accept the currency as payment.  Photograph: iStock

Bitcoin rose above $50,000 on Tuesday to a new record high, building on a rally fuelled by signs that the world’s biggest cryptocurrency is gaining ac(...)

Bitcoin surged past the $40,000 (€32,652) mark this week for the first time after doubling in value in less than a month. Photograph: Nicolas Tucat/AFP

JP Morgan boss Jamie Dimon, the longest-serving chief executive on Wall Street, may have toned down his views of bitcoin since he declared in 2017 tha(...)

Bitcoin mining quadrupled in 2018 alone

It is not surprising that Las Vegas, the shiny, electric gambling capital of the world, consumes a lot of power, thereby spewing about 22 megatons of (...)

Blockchain in production is still extremely limited across the globe, and holding it back is the inability to get it out of proof of concept.

There are two origins for the word blockchain. The first is the blockchain as it is used in cryptocurrencies and in this context, the word was invente(...)

“Bitcoin accepted” sign in the window of a cafe in Zurich. Photograph: iStock

One of the top bankers in the euro zone has described bitcoin as “the evil spawn of the financial crisis”. European Central Bank executive board membe(...)

Facebook chief executive Mark Zuckerberg,  the company’s partnerships and  marketing vice president Dan Rose  and chief operating officer Sheryl Sandberg: Channel 4’s “Dispatches” report  helped  explain why so much appalling content  is still featured and shared on the  site. Photographer: David Paul Morris/Bloomberg

It hasn’t been a good week for the overlords of the internet. On Tuesday, Facebook was exposed by the Channel 4 Dispatches programme for flouting its(...)

A zooming in on a wafer of D-Wave Quantum Computer

Whoever Satoshi Nakamoto is or was, the author’s 2008 paper on blockchain technology is now regarded as one of the most important developments in comp(...)

Bitcoin was set up in 2008 by an individual or group calling itself Satoshi Nakamoto. Photograph: Karen Bleier/AFP

Irish gamblers can join the volatile cryptocurrency action after Lottoland launched its Bitcoin lotto jackpot here. The draw, which takes place every(...)

No Bitcoin doesn’t look like this. A Bitcoin is a digital token — with no physical backing — that can be sent electronically from one user to another, anywhere in the world. Photograph: Dado Ruvic/Reuters

If you find the concept of Bitcoin confusing, you are not alone. The virtual currency has been a constant source of controversy, but it is still not (...)

A customer uses a Bitcoin ATM in Dublin in 2014. Photograph: David Sleator

It’s been called the “queen of cryptocurrencies” and the biggest bubble in the world. Bitcoin, launched in January 2009, has gained astonishing moment(...)

  • 1
  • 2
  • 3
  • Next
  • Last »