We the Internet: Bitcoin developers seed idea for Bitcloud
Metal nanoparticles shine with customizable color (w/ video)
(PhysOrg.com) -- Engineers at Harvard have demonstrated a new kind of tunable color filter that uses optical nanoantennas to obtain precise control of color output.
Contactless cards fail to recognise foreign currency
A flaw in Visa's contactless credit cards means they will approve unlimited cash transactions without a PIN when the amount is requested in a foreign currency.
Bitcoin faces biggest threat yet: a miner takeover
The Bitcoin digital currency system is in danger of losing its credibility as an independent payment system because of the growing power of a group that runs some of the computers behind it.
US says Bitcoin is taxable as property, not a currency
The US tax authority on Tuesday ruled that Bitcoin will be taxed as property, like stocks or real estate, rather than as a basic currency like the dollar.
Bitcoin exchange MtGox faced 150,000 attacks per second: report
Bitcoin exchange MtGox faced massive hacker offensives last month, coming under some 150,000 DDoS attacks per second for several days ahead of its spectacular failure, a report said Sunday.
(Phys.org) —Bitcoin transactions may be anonymous, but they're also completely transparent. This makes stealing easier, but cashing in on the theft without getting caught a lot more difficult. That's one ...
EU bank watchdog warns over Bitcoin
The European Union's banking watchdog on Friday issued a warning over virtual currency trading amid huge swings in the value of Bitcoin, a lack of regulation and money laundering risks.
Briton searches landfill for $7.5 mn bitcoin fortune
A British IT worker has launched a frantic search of a landfill site after realising he accidentally threw away a computer drive holding $7.5 million (5.5 million euros) in the online currency bitcoin.
Bitcoin rises above $1,000
The virtual currency bitcoin Wednesday broke above $1,000 per unit, quintupling in a month, according to Mt. Gox, which manages trading in bitcoin.
Cornell researchers teach Bitcoin attack lesson in selfish mining
US authorities shut Silk Road website, arrest owner (Update 2)
US authorities said Wednesday that they have busted an online black market for drugs, hitmen, hacker tools and more, arresting the suspected mastermind of a nefarious bazaar called Silk Road.
US seizes Bitcoin operator accounts
US authorities seized the accounts of a Bitcoin digital currency exchange operator, claiming it was functioning as an "unlicensed money service business," court documents showed Friday.
High-volume Bitcoin exchanges less likely to fail, but more likely breached, says study
Online exchanges that trade hard currency for the rapidly emerging cyber money known as Bitcoin have a 45 percent chance of failing—often taking their customers' money with them.