04 Nov '13, 4pm

Bitcoin Researchers: You Can Game the System

Bitcoin Researchers: You Can Game the System

Computer science researchers at Cornell University claim to have found a way to subvert the system driving production of the digital currency Bitcoin. The researchers call their technique “selfish mining,” through which individuals or groups of Bitcoin miners can collect more than their fair share of the currency. This could cause a chain reaction collapsing the system. See also: Bitcoin: How the Internet Created Its Own Currency Ittay Eyal and Emin Gun Sirer published their findings Monday on the open e-print archive arXiv in a paper titled "Majority is not Enough: Bitcoin Mining is Vulnerable." "The Bitcoin ecosystem is open to manipulation, and potential takeover , by miners seeking to maximize their rewards," Eyal and Sirer wrote. This vulnerability challenges the decentralized nature of Bitcoin, a key tenet of the currency. Bitcoin is supposedly free from manipulatio...

Full article: http://mashable.com/2013/11/04/bitcoin-cornell-researchers/

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venturebeat.com 05 Nov '13, 12am

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Bitcoin 'at risk' of network attack

Bitcoin 'at risk' of network attack

bbc.co.uk 05 Nov '13, 12pm

5 November 2013 Last updated at 12:21 GMT Share this page Delicious Digg Facebook reddit StumbleUpon Twitter Email Print B...

Bitcoin 'at risk' of network attack

Bitcoin 'at risk' of network attack

bbc.co.uk 05 Nov '13, 12pm

5 November 2013 Last updated at 12:21 GMT Share this page Delicious Digg Facebook reddit StumbleUpon Twitter Email Print B...

Selfish Mining: A 25% Attack Against the Bitcoin Network #bitcoin

Selfish Mining: A 25% Attack Against the Bitcoi...

bitcoinmagazine.com 04 Nov '13, 9am

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venturebeat.com 05 Nov '13, 10pm

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Researchers Debate Value of New Bitcoin Attack

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threatpost.com 07 Nov '13, 3pm

“Ittay Eyal and I outline an attack by which a minority group of miners can obtain revenues in excess of their fair share,...

'Bitcoin is broken', researchers warn

telegraph.co.uk 06 Nov '13, 3pm

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Bitcoin Protocol Vulnerability Could Lead To a ...

slashdot.org 04 Nov '13, 11pm

"Cornell researchers unveiled an attack on the Bitcoin mining protocol that enables selfish mining pools to earn more than...

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Majority is not Enough: Bitcoin Mining is Vulne...

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The Bitcoin cryptocurrency records its transactions in a public log called the blockchain. Its security rests critically o...

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