27 Nov '14, 3pm

#security Bitcoin hack can reveal IP addresses of anonymous transactions #infosec

#security Bitcoin hack can reveal IP addresses of anonymous transactions #infosec

The infamous anonymity of Bitcoin as a currency has a weakness built into it, according to a paper published by the University of Luxembourg. The paper, entitled ‘Deanonymisation of clients in Bitcoin P2P network’ , was written by Alex Biryukov, Dmitry Khovratovich and Ivan Pustogarov and explains how a determined hacker could reveal the IP address – and therefore the identity – of individuals who pay for transactions anonymously using the cryptocurrency. According to International Business Times , researchers claim that a hacker could unveil the identity of a Bitcoin user anonymizing their transactions through Tor for as little as €1,500 (roughly $1,870). The hacker would have to generate a ‘malformed message’, faking that it had been sent by the user through the Bitcoin peer-to-peer network – something that’s possible even if sent from a Tor exit node. These malformed me...

Full article: http://www.welivesecurity.com/2014/11/26/bitcoin-hack-can...

Tweets

Bitcoin Transactions Not Secure, User IP Addres...

gadgets.ndtv.com 27 Nov '14, 8am

Researchers have shown that money transactions via Bitcoin network do not protect user's IP address and it can be linked t...

Bitcoin Anonymity: There's a Way For Hackers To Find Out Your IP Address - International

Bitcoin Anonymity: There's a Way For Hackers To...

ibtimes.co.uk 25 Nov '14, 7pm

University of Luxembourg researchers have discovered how to reveal the identities of bitcoin users from their IP addresses...

Bitcoin Not That Anonymous Afterall

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darknet.org.uk 27 Nov '14, 11am

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securityaffairs.co 28 Nov '14, 6am

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Bitcoin Is Not Anonymous After All

yro.slashdot.org 26 Nov '14, 11pm

points out a new study that shows it is possible to figure out the IP address of someone who pays for transactions anonymo...

Bitcoin And Anonymity: User's Identity Can Be Revealed Much Easier Than ... - Science 2.0

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Bitcoin, virtual money: User's identity can be ...

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Please

starbucks.com 04 Dec '14, 4pm

We’re sorry — something has gone wrong on our end. What could have caused this? Well, something technical went wrong on ou...

Luxembourg Researchers Find a Way to Unmask Bitcoin Users

Luxembourg Researchers Find a Way to Unmask Bit...

cryptocoinsnews.com 30 Nov '14, 3pm

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Simple Terminal Hack is Fit For Hollywood

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hackaday.com 26 Nov '14, 6am

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#bitcoin

#bitcoin

fortune.com 28 Nov '14, 12pm

Since it’s inception five years ago, bitcoin hype has spread across the globe. “Bitcoin accepted here” stickers have poppe...

Is Scoring Needed For Bitcoin Fast Transactions?

cryptocoinsnews.com 22 Nov '14, 11pm

During a transaction, relationships between an address and prior transactions feed into the blockchain. This creates a ric...