Study: Bitcoin Wallet Attacks Rose Sharply in 2013
There were nearly 6 million detections of malware capable of stealing data from bitcoin wallets in 2013, according to a new report released by cybersecurity firm Kapersky Labs. Entitled "Financial Cyberthreats in 2013", Kapersky's report looked more broadly at a range of cyberattacks - from phishing to mobile malware, but put a special emphasis on examining how digital currency wallet users are being targeted by criminals online. Perhaps most notably, Kapersky found that 1 million wallet owners fell victim to a malware attack in 2013, up from less than 600,000 in 2012. Attacks on digital....
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Partly offsetting the positive trend is an explosion in ransomware attacks, which rose 311% from 2019.
According to a recent study by researchers from the University of Tulsa and Tel Aviv University, the massive increase in the bitcoin price in late 2013 was caused by suspicious trading activity on the now-defunct Mt. Gox Bitcoin exchange. The study, which is titled “Price Manipulation in the Bitcoin Ecosystem,” indicates that 600,000 bitcoins were acquired by agents who did not pay for them, and the bitcoin price rose by an average of $20 on days when the suspicious trading activity took place. “Based on rigorous analysis with extensive robustness checks, we conclude that the suspicious....
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.
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....
After an eight-year dormancy, a Bitcoin (BTC) Whale unexpectedly moved $30 million worth of BTC. On November 20th, 2013, the exact address received 1,000 BTC worth $567,600 at the time, Blockchair reported. The Bitcoin remained dormant in one wallet until it was moved as part of a much larger block that sent nearly 2,100 BTC to two other addresses. One address received 2,000 bitcoins, while the second collected above 99.99 bitcoins. Related Readings | Snoop & Gary Vee Got “Ownership” Of A Basketball Team With Ice Cube’s BIG3 NFTs Bitcoin Movements In Dormant Wallets 1,000 BTC were....