The Best Way to Take Control of Bitcoin? Rally Other Greedy ‘Selfish Miners’ (ars technica) Researchers at Cornell University have published a paper detailing what they see as a vulnerability in Bitcoin’s protocol. Ittay Eyal and Emin Gn Sirer of Cornell’s Department of Computer Scienc…ornell researchers’ paper outlines a new strategy to the attack that still would require control of a significant number of the “nodes” in Bitcoin’s transaction processing network, but it takes a different route to control — exploiting the rational behavior (and greed) of other miners.

May 28 I thought it would be fun to do some research into who is getting the most traffic in the BitCoin world. Many of the sites I had heard of, or written reviews for, but there were a few that I had never been to. It was interesting to go to those sites and see what services were av…e list was made from a combination of data from Alexa, Compete, Quantcast, and search engine rankings. I think you will have fun visiting these sites as well: If I missed any major BitCoin sites, please let me know watchdog@bitcoinwatchdogs.com and I’ll add them to the list. Thank you!

Created: 16 Aug 2011 14:45:41 GMT | Updated: 14 Nov 2013 04:11:23 GMT | Translations available: Bitcoins have been in the news in recent months and there has been much discussion on them, as part of public discourse. In terms of how bitcoins are being targeted by malware, we’ve seen p… Intel i7 990-equipped rig is capable of a throughput of 33.3 Mhash/s, while a lower-end system based on the Atom N270 (found in many netbooks) are capable of a measly 1.19 Mhash/s. The following diagram compares the Mhash/s throughput of some popular graphic cards and single CPU rigs.

“Bitcoin: The Movie”, a film about bitcoin, has had its crowdfunding page pulled just two weeks after it launched. The movie, which was to be a documentary on the socio-economic impact of the currency around the world, was raising its money using Kickstarter, the popular four-year-old … Kickstarter spokesperson when quizzed by CoinDesk. Kickstarter’s FAQ says that projects can be suspended if it: Violates or acts inconsistently with the letter or spirit of the Kickstarter Guidelines or Terms of Use. Materially changes the stated use of funds Makes unverifiable claims

"; document.write(gstring); } The Bitcoin phenomenon does not look as though it is about to slow down in the immediate future, but rather, it has more or less grown from strength to strength. For instance, it was recently named as actual legal tender in the country of Germany, now how …rd. ASRock mentioned, “The abundant onboard PCIe slots guarantee fast GPU mining, while the additional power connectors provide advanced system stability while mining.” No pricing or availability dates have been announced for either motherboard as at press time. [Press Release] RELATED

The price of virtual currency bitcoin is continuing to surge,as countries such as Georgia and Argentina take it up as an alternative to official currencies. Decentralised virtual currency bitcoin hit a record high overnight,breaking through the $US500 barrier. At 9.20 AEST,it had climb…ult to keep up with. “It was too hard for our clients to gauge where it was going, ” he says. “There was a burst of interest initially,but that waned pretty quickly because of that volatility. We’re keeping an eye on it,and we may offer a market again once we see a bit more stability.”