05 Nov '13, 12pm

Bitcoin 'at risk' of network attack

Bitcoin 'at risk' of network attack

5 November 2013 Last updated at 12:21 GMT Share this page Delicious Digg Facebook reddit StumbleUpon Twitter Email Print Bitcoin at risk of network attack, say researchers Bitcoins are starting to be accepted online and in shops and pubs Continue reading the main story Related Stories Man cashes in on $22 Bitcoin stash Silk Road: Will cybercrime evolve? Cyber thieves target bitcoin owners The Bitcoin virtual currency is vulnerable to a "selfish" attack that would let someone gradually take control of the digital cash system. The theoretical attack tries to subvert the way that computers involved in Bitcoin share information. It plays upon the fact that everyone involved in keeping track of Bitcoin assumes all participants are honest. Such an attack could already be happening, said the US researchers who discovered the vulnerability. "Bitcoin is broken, " wrote Prof Emin Su...

Full article: http://www.bbc.co.uk/news/technology-24818975#sa-ns_mchan...

Tweets

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

One of Bitcoin’s core security guarantees is that, for an attacker to be able to successfully interfere with the Bitcoin n...

Bitcoin currency could be crashed by colluded attack, researchers claim

Bitcoin currency could be crashed by colluded a...

rt.com 06 Nov '13, 8pm

Bitcoin currency could be crashed by colluded attack, researchers claim Published time: November 06, 2013 20:24 Get short ...

Researchers Say 'Bitcoin Is Broken' And Could Collapse

Researchers Say 'Bitcoin Is Broken' And Could C...

businessinsider.com 05 Nov '13, 1am

Emin Gün Sirer/Twitter See Also Meet The Woman HP Has Put In Charge Of Taking Down Its Big Rival: Cisco This Chef Taught ...

Bitcoin Researchers: You Can Game the System

Bitcoin Researchers: You Can Game the System

mashable.com 04 Nov '13, 4pm

Computer science researchers at Cornell University claim to have found a way to subvert the system driving production of t...

This Is Why Bitcoin Is Fundamentally Broken

This Is Why Bitcoin Is Fundamentally Broken

businessinsider.com 05 Nov '13, 4pm

This protocol works through a process called mining. In essence, the ledger is organized into a single, ordered sequence o...

Researchers Debate Value of New Bitcoin Attack

Researchers Debate Value of New Bitcoin Attack

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.

#Bitcoin is broken.

hackingdistributed.com 04 Nov '13, 5pm

The key idea behind Bitcoin's success is a decentralized protocol for maintaining a global ledger, called a blockchain. Th...

Bitcoin Is Not Broken

Bitcoin Is Not Broken

forbes.com 06 Nov '13, 4pm

,’ said two researchers from Cornell University who released a paper to the press this week about a potential flaw in the ...

'Bitcoin is broken', researchers warn

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

Typically, new Bitcoins are generated when groups of miners tackle complicated cryptographic puzzles. The first group to s...

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...

Bitcoin could be hijacked by ‘selfish’ groups causing currency collapse

Bitcoin could be hijacked by ‘selfish’ groups c...

theguardian.com 05 Nov '13, 12pm

The bitcoin digital currency could be hijacked by “selfish miners” causing honest users to lose time, effort and money. Du...