Результатов: 26

Researchers say they discovered consensus level attack on Ethereum — miners cheating the system to earn more

A research paper published by The Hebrew University in Israel reports having discovered the “first evidence of a consensus-level attack on a major cryptocurrency. ” The paper is currently awaiting peer review but utilizes publicly available on-chain data and Ethereum’s open source codebase to affirm its conclusions. дальше »

2022-8-7 01:00


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Switzerland: Trojan horses are evolving to target cryptocurrency exchanges

A computer virus that mines the anonymous cryptocurrency Monero has been ranked as the sixth most significant malware to hit Switzerland in the first half of this year. Swiss researchers also discovered that cybersecurity threats once focused on breaking into online banking services have pivoted to more efficiently attack cryptocurrency exchanges. дальше »

2018-11-8 19:33


Report Links 74% of Bitcoin Mining to China, Sees Threat to Network

Bitcoin, the world’s most sought-after cryptocurrency, could be at the wish and whim of Asia’s economic giant. A recent study titled “The Looming Threat of China: An Analysis of Chinese Influence on Bitcoin,” jointly researched by Princeton University and Florida International University researchers, suggests China’s mining scene has an overwhelming influence over Bitcoin, something that could invite network manipulation. дальше »

2018-10-11 00:29


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Research: China has the power to destroy Bitcoin

A damning new study has suggested China holds threatening influence over Bitcoin – and perhaps even the ability to attack and ultimately destroy the entire Bitcoin network. Academics from Princeton and Florida International Universities have explored how China “threatens the security, stability, and viability of Bitcoin” with its “political and economic control over domestic [cryptocurrency] activity […] [and] internet infrastructure. дальше »

2018-10-8 19:07


A Guide to 99% Fault Tolerant Consensus

Special thanks to Emin Gun Sirer for review We’ve heard for a long time that it’s possible to achieve consensus with 50% fault tolerance in a synchronous network where messages broadcasted by any honest node are guaranteed to be received by all other honest nodes within some known time period (if an attacker has more than 50%, they can perform a “51% attack”, and there’s an analogue of this for any algorithm of this type). дальше »

2018-8-9 04:03