Новости о Chain Attack [ Фото новости ] [ Свежие новости ] | |
Ethereum Classic Undergoes Likely 51% Attack With 3693-Block Chain Reorganization
Developers advise exchanges to pause ETC deposits and withdrawals. дальше »
2020-8-1 18:05 | |
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Wawa Data Breach Provides Another Case for Cryptocurrencies
Wawa, a convenience store chain based on the East Coast of the United States, has recently suffered a big data breach. For the past nine months, the company’s databases have been under fire from an attack and they have little idea as to who carried it out. дальше »
2019-12-23 09:34 | |
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DASH CEO: Dash is the Most Secure Cryptocurrency, More Secure Than Bitcoin with Latest Updates
The Dash cryptocurrency, by the Dash Core Group, has recently effected a new protocol which ensures better security for the network. Specifically, the new protocol called Chainlock will make the Dash network immune to a 51% attack or a chain reorganization. дальше »
2019-7-14 19:20 | |
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Sidechains vs Plasma vs Sharding
Special thanks to Jinglan Wang for review and feedback One question that often comes up is: how exactly is sharding different from sidechains or Plasma? All three architectures seem to involve a hub-and-spoke architecture with a central “main chain” that serves as the consensus backbone of the system, and a set of “child” chains containing actual user-level transactions. дальше »
2019-6-14 04:03 | |
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npm thwarts malware attempt, helps Komodo protect $13 million in crypto assets
CryptoNinjas On Tuesday, June 4, the npm, Inc. security team, in collaboration with Komodo, helped protect over $13 million in cryptocurrency assets after finding and responding to a malware threat targeting the users of a cryptocurrency wallet called Agama. дальше »
2019-6-6 19:50 | |
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Bitcoin Cash ABC Miners Did Not “Take Over” the Protocol
For some reason, CoinDesk and other publications have taken to publishing the narrative that Bitcoin Cash leveled a “51% attack” on its own chain. Here is one of the articles in question for reference. дальше »
2019-5-25 10:24 | |
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‘Satoshi Nakamoto’ is Mining Over 40% of Bitcoin Cash, Sparking Fears of 51% Attack
By CCN. com: According to blockchain data and CCN/Hacked reporter Greg Thomson, an anonymous miner who embeds the words “Satoshi Nakamoto” into all of the blocks they mine currently controls more than 40% of Bitcoin Cash’s hashrate. дальше »
2019-4-30 20:34 | |
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VeriBlock’s Bitcoin-Backed Security Protocol Goes Live
After a year on its testnet, the VeriBlock blockchain went live yesterday on the Bitcoin mainnet, allowing exchanges, wallet providers, merchants and other crypto businesses to leverage Bitcoin’s robust blockchain security. дальше »
2019-3-27 19:35 | |
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Grim Stories of Ethical, Privacy Abuses Emerge About Coinbase’s New Partners
When Coinbase acquired Neutrino for an unspecified amount in February 2019, the news looked like business as usual: A cryptocurrency juggernaut had made another acquisition. дальше »
2019-3-1 17:19 | |
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The Proof-of-Stake Pandora’s Box—A “Rich Get Richer” Formula?
It has been six days since Constantinople had to be forcefully put off because of a bug. Chain Security sniffed out the vulnerability just before miners upgraded gifting hackers—who appear to be on the prowl, to not only siphon out hard earned funds but revive the memories of 2016 DAO attack that as well all […] The post The Proof-of-Stake Pandora’s Box—A “Rich Get Richer” Formula? appeared first on Ethereum World News. дальше »
2019-1-22 15:30 | |
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Security Vulnerability Delays Ethereum’s Constantinople Hard Fork
Hours after Ethereum developers declaring the Constantinople upgrade to be an “uneventful even”, smart contract auditing firm ChainSecurity discovers a security vulnerability on the blockchain, According to the firm, it is susceptible to reentrancy attack. дальше »
2019-1-16 17:24 | |
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Summary of the Ethereum Classic (ETC) 51% attack
Several sources reported yesterday that the “original Ethereum”, more commonly known as Ethereum Classic, is being subjected to chain reorganization. This reorganization can be done by a malicious player who owns more than half of targeted network’s mining hash rate and is thus called a “51% attack”. дальше »
2019-1-9 03:06 | |
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Coinbase Suspends Ethereum Classic Following 51 Percent Attack
Coinbase has ceased interactions with the Ethereum Classic (ETC) blockchain after the exchange detected a 51 percent attack on the network. Following the discovery of a “deep chain reorganization” of the ETC blockchain, Coinbase suspended Ethereum Classic withdrawals and deposits. дальше »
2019-1-9 22:10 | |
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Coinbase Suspends Ethereum Classic Transactions after Double Spend Attack
Shortly after detecting a deep chain reorganization of the Ethereum Classic blockchain (ETC) on January 8, 2019, cryptocurrency exchange platform Coinbase Tweeted that it has stopped all transactions related to the cryptocurrency. дальше »
2019-1-8 21:30 | |
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Coinbase Reports Ethereum Classic [ETC] 51% Attack, Wider Market Remains Unfazed
Coinbase, one of the largest cryptocurrency exchanges in the US, announced on Monday that it had paused all interactions with the Ethereum Classic blockchain after detecting double spends in the network. дальше »
2019-1-8 20:44 | |
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$1.1 Million Worth of ETC Double Spent in a 51% Attack
Ethereum Classic (ETC) has seen 12 chain re-writings within the past 2-3 days, 8 of them going as far back as 75 blocks. A number of these history revisions contained... The post $1.1 Million Worth of ETC Double Spent in a 51% Attack appeared first on Trustnodes. дальше »
2019-1-8 17:40 | |
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Coinbase Halts Ethereum Classic Transactions After the Network Comes Under Attack
CoinSpeaker Coinbase Halts Ethereum Classic Transactions After the Network Comes Under Attack Coinbase took to its Twitter to reveal that its internal developers detected a “deep chain reorganization” of the Ethereum Classic (ETC) blockchain. дальше »
2019-1-8 15:32 | |
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Ethereum Classic [ETC] deep chain reorganization and double spend attack detected by Coinbase; ETC responds
Just recently, Coinbase, the largest cryptocurrency exchange on the planet in terms of users stated that on January 5, the exchange detected a deep chain reorganization of the Ethereum Classic [ETC] blockchain as well as a double spend on the network. дальше »
2019-4-3 12:00 | |
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Ripple’s executive gloating after 51% on ETC. But can XRP ledger be measured with the same rod as other cryptocurrencies?
In the light of the 51% attack on another minor proof of work chain, other consensus mechanism proponents jumped on the opportunity to thump bitcoin’s consensus mechanism of choice while simultaneously tooting their own horns with heaped praise of proof of stake or Ripple’s consensus mechanism. дальше »
2019-1-8 09:00 | |
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Coinbase Detects Deep Chain Reorganization on Ethereum Classic (ETC)
The Ethereum Classic (ETC) allegedly 51% attack continues to generate confusion among market participants. Coinbase, one of the largest cryptocurrency related platforms in the market, wrote in a blog post a few hours ago that it detected a deep chain reorganization of the Ethereum Classic blockchain. дальше »
2019-1-8 04:48 | |
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Ethereum Classic Experiencing 51 Percent Attack, Immutability Violated
Ethereum Classic experienced a vicious 51 percent attack that allowed attackers to conduct eleven deep chain reorganizations and double-spend 88,500 ETC, worth over $400,000. In response to the attack, the price of ETC has plummeted and services using the cryptocurrency have halted. дальше »
2019-1-8 03:23 | |
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Coinbase Forced to Suspend Ethereum Classic Trading After 51% Attack
Ethereum Classic, the original unforked Ethereum blockchain, has suffered a 51% attack resulting in nearly half a million dollars worth of double spends according to Coinbase. Coinbase detected the deep chain reorganizations over the weekend, forcing the cryptocurrency firm to freeze all Ethereum Classic transactions on their trading platforms and other products and services. дальше »
2019-1-8 23:00 | |
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Wild speculation: Ethereum (ETH) camp behind the attack on Ethereum Classic (ETC) chain
As reported by TheBlock, Ethereum Classic, the smart contact platform, appears to be experiencing a block reorganization attack (reorg), according to according to blockchain explorer and mining pool, Etherchain. дальше »
2019-1-7 22:53 | |
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Hardware Hacking: How To Secure Your Trezor Wallet With Passphrase
A group called wallet. fail gave a presentation on how to hack cryptocurrency hardware wallets at the 35th Chaos Communication Congress. While all attack vectors required physical access, worryingly, the group demonstrated scraping the seed and PIN from Trezor RAM. дальше »
2018-12-29 02:00 | |
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Starwood breach affecting 500M users reportedly part of a larger Chinese state-sponsored attack
Remember that massive breach of the Mariott-owned Starwood hotel chain from last month, which saw 500 million users’ data stolen? The New York Times reports that the intrusion was part of a larger state-sponsored intelligence-gathering effort spurred on by China‘s spy agency, the Ministry of State Security. дальше »
2018-12-12 09:46 | |
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Starwood breach affecting 500m users reportedly part of a larger Chinese state-sponsored attack
Remember that massive breach of the Mariott-owned Starwood hotel chain from last month, which saw 500 million users’ data stolen? The New York Times reports that the intrusion was part of a larger state-sponsored intelligence-gathering effort spurred on by China‘s spy agency, the Ministry of State Security. дальше »
2018-12-12 09:46 | |
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CoinGeek’s Calvin Ayre Desires To End Hostility With Bitcoin Cash (BCH) Mining Hashwars
CoinGeek Desires To End Hostility With Bitcoin Cash Calvin Ayre of CoinGeek has recently made an unprecedented move by reaching out to Bitcoin Cash in an effort to generate a truce. In a blog post, he stated, “Both sides agree not to attack each other’s chain, and let the chain compete as separate offerings in […] дальше »
2018-11-22 02:14 | |
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Bitcoin Cash “Satoshi’s Vision” (BSV)’s Block Reorganization Mistaken As An Attack
Bitcoin Cash, as many people know, recently split as a result of a hard fork, forming two separate blockchains. While few news sites have reported any negative remarks on the ABC chain, “Satoshi’s Vision” (SV) has been more active. дальше »
2018-11-21 18:35 | |
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One Day After the Bitcoin Cash Hard Fork: Takeaways and Latest Developments
Bitcoin Cash, the “big block” project that forked away from the Bitcoin blockchain in August 2017, “hard forked” (split) into two different coins: “Bitcoin Cash ABC” (BCH ABC) and “Bitcoin Cash SV” (BCH SV). дальше »
2018-11-17 02:13 | |
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Crypto Exchange Gate.io Suspends StatCounter Service after Reports of Hackers Hijacking Bitcoin Transactions
Cryptocurrency exchange Gate. io has removed StatCounter, one of the most popular web analytics tools, from its website following reports of a security breach, the company announced in a blog post on November 7, 2018. дальше »
2018-11-9 23:00 | |
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[Newsflash Update]: Bitcoin Network Bug Leaves BTC Blockchain Particularly Vulnerable Still
Last week, the Bitcoin Core team came out with a brand-new update to its client which was supposed to address a major vulnerability on the chain. The vulnerability made it easy for hackers to execute a “denial of service” attack on the network, which could be a potentially devastating security problem. But in many ways, […] дальше »
2018-9-28 08:58 | |
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Study Reveals Growing Sophistication in Malicious Mining of Cryptocurrency
Several Chinese researchers from Fudan University, Tsinghua University and the University of California Riverside have produced the first systematic study of the malicious mining of cryptocurrencies, known as cryptojacking, unveiling increasing complexity over time. дальше »
2018-9-25 23:59 | |
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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 | |
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STARKs, Part I: Proofs with Polynomials
Special thanks to Eli Ben-Sasson for ongoing help, explanations and review, coming up with some of the examples used in this post, and most crucially of all inventing a lot of this stuff; thanks to Hsiao-wei Wang for reviewing Hopefully many people by now have heard of ZK-SNARKs, the general-purpose succinct zero knowledge proof technology that can be used for all sorts of usecases ranging from verifiable computation to privacy-preserving cryptocurrency. дальше »
2018-7-21 23:03 | |
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Op Ed: Addressing the Threat of Cryptomining Malware
One major class of attacks to hit the hacking landscape recently is cryptomining. While cryptomining on its own supports a good cause when being done consciously, it also allows nefarious actors to make a lot of money fast, and, with the sheer number of cryptocurrencies available to mine, it is becoming a popular choice for attackers. дальше »
2018-7-18 23:18 | |
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Bitmain Nears 51% of Network Hash Rate: Why This Matters and Why It Doesn’t
Recent Bitcoin block data shows that Bitcoin’s mining pools BTC. com, AntPool and ConnectBTC, respectively mined about 25. 7 percent, 16. 1 percent and 0. 2 percent of all new blocks over the past week. дальше »
2018-6-29 23:07 | |
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