Slik Road 2 hacked and 4,000 Bitcoin stolen

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Black Marketing site "Silk Road 2" have once again faced the attack from the hackers, on which about 4,000 Bitcoin have been stolen. Silk Road 2 Moderator Defcon reported in a forum post that hacker have used transaction malleability exploit to hack the site and stolen 4474.26 Bitcoins worth of $2,747,000.

As Silk Road site use escrow service for Bitcoin  transaction between buyers and seller, and hackers have took the advantage of same thing and exploited the transaction malleability bug. Transaction Malleability is the function that that mask transaction and ask for same amount of Bitcoin multiples  times.

According to the Silk Road 2, hackers have used the Silk Road automatic transaction verification system to order from each other and also request for refunds for unshipped  goods.

Defcon have asked a hackers to return the Bitcoin and wrote: -
“Given the right flavor of influence from our community, we can only hope that he will decide to return the coins with integrity as opposed to hiding like a coward,”
On the investigation of the theft, Defcon have post the following information for tracking the hackers:-
# Attacker 1: (Responsible for 95% of theft)
Suspected French, responsible for vast majority of the thefts. Used the following six vendor accounts to order from each other, to find and exploit the vulnerability aggressively.
## Usernames used:
narco93
ketama
riccola
germancoke
napolicoke
smokinglife
This was the same bug that forced Mt. Gox  to shut down all the withdraw transaction earlier this week. By this hack, Bitcoin have lose its value by 50 points and down to 600. 
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