Jon Matonis: [Running the foundation is like] “going downhill in a go-cart trying to keep the wheels on.” Photograph: Chris Ratcliffe/Bloomberg

The Bitcoin Foundation’s executive director, Jon Matonis, travels the world to promote the virtual currency as a replacement for traditional money.(...)

  Bitcoin may not be the messiah of a new currency its hardcore fans yearn for, but it may herald the deeper financial revolution the inte(...)

A twenty-five bitcoin. Reports in the US media last week suggested that Dorian S. Nakamoto, a 64-year-old physicist, was the digital currency’s creator. 
Photograph: Tomohiro Ohsumi/Bloomberg

Bitcoin enthusiasts donated about $28,000 to Dorian S. Nakamoto, a 64-year-old physicist who denied a report last week by Newsweek magazine tha(...)

Dorian S. Nakamoto, identified by Newsweek magazine as the founder of Bitcoin, speaks to members of the media as he arrives home in Temple City, California. Photograph: Jonathan Alcorn/Bloomberg 1:31

A Japanese American man thought to be the reclusive multi-millionaire father of Bitcoin emerged from a modest Southern California home and denied i(...)

Bitcoins are created, or “mined”, in a process using a network of computers that solve complex mathematical problems as part of a process that verifies and permanently records the details of every bitcoin transaction that is made. At current prices, the bitcoin market is worth about $7 billion.  Photograph: Tomohiro Ohsumi/Bloomberg

Any regulation of the bitcoin crypto-currency should involve international cooperation to avoid loopholes, Japanese vice finance minister Jiro (...)

Kolin Burges, a cryptocurrency trader and former software engineer, holds a placard to protest against Mt Gox, in front of the building where the digital marketplace operator is housed in Tokyo. Photo: Reuters

The website of Mt Gox appears to be taken down, shortly after six major Bitcoin exchanges released a joint statement distancing themselves fro(...)

Jeremy Allaire: “I have long-term savings in bitcoin, though not a huge amount of my assets. It is important that I have long term belief in the currency. I give my sons their allowance in bitcoin and I’ve bought everything from socks to food to electronics with it.” Photograph: Brenda Fitzsimons

It has been a difficult seven days for bitcoin. Last Friday the world’s largest bitcoin exchange Mt Gox halted withdrawals of the digital currency (...)

Yesterday, Slovenia-based Bitstamp became the second major bitcoin exchange to halt customer withdrawals in the past several days, citing “inconsistent results”, and blaming a denial-of-service attack. Photograph: Tomohiro Ohsumi/Bloomberg

Bitcoin is being hit by attacks from unknown computer hackers who are sending “mutated” lines of code into the program that runs the virtual c(...)