US ambassador to Ireland Kevin O’Malley announcing details of Ireland’s involvement in the SXSWi festival, which  start on March 13th in Austin, Texas

The Taoiseach, Enda Kenny, will be speaking at this year’s South by Southwest Interactive (SXSWi) festival in Texas, along with Irish entrepreneurs(...)

 Tyler  and Cameron Winklevoss hpe to start a regulated bitcoin exchange. The twins received $65 million in Facebook shares and cash in 2008.

Bitcoin, the virtual currency that was once the talk of the financial world, has been taking a beating over the past year with the price tumbling d(...)

Brothers Cameron (left) and Tyler Winklevoss talk to each other as they attend a New York State Department of Financial Services (DFS) virtual currency hearing in New York in January. In a blog post, the Winklevoss brothers said they used bitcoins to buy tickets for a high-altitude voyage on billionaire Richard Branson’s Virgin Galactic commercial spaceflight venture. Photograph: Lucas Jackson/Reuters

You can’t spend bitcoins at Amazon. com or to pay your mortgage but, as the Winklevoss twins showed, you can use the digital currency to book a(...)

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(...)

Nobel Prize winner Eugene Fama
Stocktake

Renowned value investor Jeremy Grantham has harsh words for Alan Greenspan, Ben Bernanke and incoming Federal Reserve chief Janet Yellen in his latest(...)

Twins, (L-R) Tyler Winklevoss and Cameron Winklevoss, pictured  rowing for Oxford in 2010, are looking for investors for Bitcoin, a virtual currency that can be used to buy and sell a broad range of items, from electronics to illegal narcotics. Photograph:Jan Kruger/Getty Images

Tyler and Cameron Winklevoss, made famous for their tussles with Facebook chief executive officer Mark Zuckerberg in the social network’s early years,(...)