How to Identify Transaction Malleability Attacks

How to Identify Transaction Malleability Attacks

Having greatly influenced Mt. Gox in 2014, transaction malleability is a “new-old” issue within the Bitcoin industry. This issue can still create problems for the network, and negatively affect the perception of cryptocurrencies in general. As one of the exchanges that have faced several attempts of transaction malleability attacks against the platform,....


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Research Study Suggests Transaction Malleability Not The Cause of Mt. Gox Bitcoin Losses

Was a transaction malleability flaw the true cause of over 750,000 BTC belong to Mt. Gox customers going missing? According to a study conducted by Christian Decker and Roger Wattenhofer of ETH Zürich (Swiss Federal Institute of Technology), transaction malleability accounted for significantly less loss than Mt. Gox declared - as little as 386 bitcoins. ...while MtGox claimed to have lost 850,000 bitcoins due to malleability attacks, we merely observed a total of 302,000 bitcoins ever being involved in malleability attacks. Of these, only 1,811 bitcoins were in attacks before MtGox stopped....

BREAKING: Evidence That Transaction Malleability Did Not Bankrupt Mt. Gox

Mark Karpeles pulling a Cassious Coin from behind the photographer's ear. Solid research has proven what many bitcoiners have long suspected; transaction malleability did not play a significant, if any, role in the disappearance of 850,000 BTC from Japanese exchange Mt. Gox. Christian Decker and Roger Wattenhofer of ETH in Zurich, Switzerland, combed through the blockchain to tally each instance of a potential transaction malleability attack in order to figure out exactly how much Bitcoin was put at risk by the alleged attacks. Their research concludes: The transaction malleability problem....

Bitcoin's Transaction Malleability Issue Remains Far From Resolved

For the past several years, the Bitcoin network has been bedeviled by transaction malleability attacks. These attacks shot to fame during the notorious Mt. Gox theft where it was referred as the sole reason for interrupting withdrawals. Since then, the attack has distressed many digital currency companies, including high-volumed exchanges BitStamp and BTC-e. What is the Transaction Malleability? While transaction malleability is still a little difficult to explain in plain English, we can consider it as an attack that tampers the unique Bitcoin transaction ID before it is confirmed by....

‘Malleability’ attacks not to blame for Mt. Gox’s missing bitcoins, study says

A study by Swiss researchers concludes that transaction malleability attacks could not have accounted for Mt. Gox’s missing millions. Fewer than 400 bitcoins could have been stolen from the Mt. Gox Bitcoin exchange using so-called transaction malleability attacks, according to A Swiss study, far less than the hundreds of thousands of bitcoins the company reported. The findings cast doubt on the failed exchange’s explanation of how it lost nearly half a billion dollars’ worth of the digital currency when it applied for bankruptcy protection in Tokyo on Feb. 28.

Study: Mt. Gox May Have Lost Just 386 BTC Due to Transaction Malleability

A new report by researchers at ETH Zurich University in Switzerland has concluded that the now-bankrupt Japan-based bitcoin exchange Mt. Gox may have lost only 386 bitcoins ($203,000) due to issues stemming from transaction malleability. The finding provides new evidence that Mt. Gox's continued claims that issues with the Bitcoin protocol were the primary reason for its insolvency are perhaps misleading or untrue. Released on 26th March, the report was authored by Christian Decker and Professor Roger Wattenhofer, both of the university's Distributed Computing Group (DCG). Overall, the....