2021-1-21 13:22 |
Over 300 blocks were rolled back in the course of the 51% attack.
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Privacy coin Firo suffered a 51% attack on its blockchain network today. The unknown attacker reorganized more than 300 blocks on its blockchain during the course of the attack. Major attack on Firo Blockchain network The attack occurred in the early hours of Wednesday with Firo tweeting about it around 1.28 am UTC. According toRead More
2021-1-21 23:30 | |
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Privacy-focused digital currency, Firo, formerly known as Zcoin, suffered a 51% attack in the early hours of 20 January. Taking to Twitter, the team behind Firo notified traders about the attack and aThe post Firo is latest proof-of-work coin to suffer 51% attack; 306 blocks rolled back appeared first on AMBCrypto.
2021-1-20 18:30 | |
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According to various reports, the Bitcoin ABC pro-IFP chain has been under ‘attack’ for a number of consecutive days now. The mystery miner has been mining a great number of sequential blocks, but almost all of them have been empty.
2020-11-29 23:15 | |
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Beleaguered Ethereum Classic (ETC) blockchain suffered yet another 51% attack on August 29. The latest attack caused the reorganization of over 7,000 blocks and this corresponds to approximately two days of mining.
2020-8-31 16:15 | |
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Сеть Ethereum Classic снова подверглась атаке 51%. Об этом сообщила компания Bitfly, оператор майнинг-пула Ethermine. Today another large 51% attack occurred on the #ETC network which caused a reorganization of over 7000 blocks which corresponds to approximately 2 days of mining.
2020-8-30 09:31 | |
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Barely a week after nefarious agents took control of the Ethereum Classic network, double spending $5. 6 million worth of ETC, the 24th largest project by market cap is once again under attack. Earlier today (Aug 6, 2020), CoinDesk reported that 4,000 ETC blocks were “reorganized” in a classic 51 percent attack.
2020-8-6 17:00 | |
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It hasn’t been even a week since Ethereum Classic suffered a 51% attack where the attacker got its hands on $5. 7 million that the blockchain had yet another “large 51% attack. ” As reported by Bitfly, this attack has caused a reorganization of more than 4000 blocks.
2020-8-6 16:30 | |
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Ethereum Classic has experienced yet another malicious 51% attack—the second in under a week. Binance has frozen all Ethereum Classic deposits and withdrawals. Reports have shown that a 51% attack on the Ethereum Classic blockchain reorganized 4,000 blocks on the chain.
2020-8-6 11:08 | |
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Ethereum Classic has suffered its second 51% attack in a week after 4,000 blocks were reorganized earlier today.
2020-8-7 08:40 | |
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Ethereum Classic has suffered a 4,000-block long reorganization, its second such incident in five days. The first attack, which saw more than 3,000 blocks reorged, saw an attacker steal more than 800,000 ETC, worth about $5.6 million.
2020-8-6 08:10 | |
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Over the past weekend, Ethereum hard fork Ethereum Classic (ETC) experienced a “huge 51% attack” where one miner generated a series of over 3500 blocks, as a huge fork from block 10904146 till 10907740.
2020-8-4 18:11 | |
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Bitcoin Cash underwent its halving on April 8th, 12:19 pm UTC, and most of its fears came true. After the 630,000 blocks mined on the Bitcoin Cash network, hours later the hash rate and profitabiliThe post If Bitcoin Cash avoids a 51% attack for 30 days, BCH may come out unscathed appeared first on AMBCrypto.
2020-4-10 16:00 | |
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New Year’s Eve attack nearly wreaks havoc. Ethereum experienced an attack this week that threatened to cause significant downtime. Beginning on Dec. 30, an attacker sent invalid blocks to the network, causing node operators using the Parity client to lose sync with the network.
2020-1-2 09:58 | |
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Unlike privacy coins, cryptocurrencies like Litecoin do not have inbuilt privacy features. MimbleWimble via extension blocks is yet to be implemented. In the absence of new cryptographic obfuscation mThe post Litecoin's active address chart shows signs of dusting attack appeared first on AMBCrypto.
2019-12-15 15:34 | |
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The Vertcoin (VTC) blockchain was 51% attacked on Sunday, December 1, which saw 603 VTC blocks replaced by 553 blocks from the attacker. This is the second time the ASIC resistant Vertcoin chain was ambushed, as the network suffered a 300-block reorg a year ago.
2019-12-3 19:40 | |
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Less than a year after a block reorg that caused $100,000 worth of double-spending, VertCoin has seen yet another 51 percent attack where 603 blocks were reorganized on the chain. As per Crypto Briefing, a mere 125 BTC, worth $29, was sent to the hacker’s wallet, but the larger implications of this show that theRead MoreRead More.
2019-12-3 13:55 | |
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The Bitcoin Cash blockchain is seeing considerable variations in the number of blocks found with an unknown entity apparently gaming the difficulty adjustment. No block was found for three hours.
2019-10-28 18:42 | |
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The parent blockchain of EOS token, EOSIO became a casualty of an attack, after a gambling dApp was exploited by an attacker, accumulating 30,000 EOS (approximately amounting to 111,000 $) in the process.
2019-9-14 13:30 | |
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Privacy-focused altcoin Monero has suddenly disclosed nine security vulnerabilities — including one that could have allowed hackers to steal XMR from cryptocurrency exchanges. Until March, rogue Monero miners were hypothetically able to create “specifically-crafted” blocks to force Monero wallets into accepting fake deposits for an XMR amount chosen by the attacker.
2019-7-4 18:18 | |
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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.
2019-6-14 04:03 | |
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By CCN: Coinbase researchers have released their own investigative findings into the recent Bitcoin Cash 51% attack controversy, and their conclusions might upset many Bitcoin maximalists. When Bitcoin Cash came under attack during a scheduled hardfork in mid-May, a group of miners colluded to reverse the attacked blocks and return misappropriated funds to their rightful owners.
2019-5-31 17:20 | |
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Bitcoin Cash, the fourth largest cryptocurrency by market cap, was recently the highlight of the cryptocurrency space after some claimed that it witnessed a 51 percent attack. Apparently, the entire incident connects to its latest hardfork that occurred on May 15.
2019-5-28 15:00 | |
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This article was originally published by 8btc and written by Vincent He. Since May 1, 2019, bitcoin’s price has been rising, reaching a top of over $6,000. As the whole cryptocurrency industry was enjoying the rise, an unexpected hack put a stop to the rise of bitcoin.
2019-5-10 18:48 | |
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Mysteriously, 25 percent of mined Bitcoin Cash blocks are being tagged with “Satoshi Nakamoto. ” Given the May 15th hard fork as part of a scheduled protocol upgrade, it is rumored that the tagging is a miner signaling 51 percent attack.
2019-5-1 23:30 | |
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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.
2019-4-30 20:34 | |
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Like Bitcoin and Bitcoin Cash, Bitcoin SV has large mining pools, each with a significant share of its SHA-256 hashrate. However, unlike the others, BSV has a nearly 44% majority who are “unknown,” according to data published by Coin.
2019-2-19 10:51 | |
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Whilst debate raged throughout the Bitcoin community over whether the block size limit should be increased and how, Luke-jr for years stood out for arguing the exact opposite position.
2019-2-15 19:18 | |
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One problem that concerns many is the centralization of mining within the Bitcoin ecosystem. Fortunately, there are talented developers working to solve this problem and Matt Corallo, full-time Bitcoin developer at Chaincode Labs, is one of them.
2019-1-26 23:50 | |
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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.
2019-1-8 17:40 | |
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CoinSpeaker 51% Attack Might be Approaching Bitcoin Cash Network, and Here’s Why It seems that a single mining pool was gaining more than half of the total mined blocks on the entire Bitcoin Cash's network today.
2019-1-3 13:09 | |
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Vertcoin has been experiencing ongoing 51% attacks, reportedly resulting in $100K of double spending on the network. Rough Couple of Months for Vertcoin In a detailed blog post, Coinbase security engineer Mark Nesbitt revealed that Vertcoin’s network went through repeated 51% attacks, with the largest reorganization having a length of 310 blocks and a depth of 307 blocks which, according to the specialist, may have caused double spends upwards of $100,000.
2018-12-4 13:00 | |
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Payments network Dash (DASH) may soon implement a new, unique network upgrade that will reportedly “eliminate” the threat of a 51% attack from the protocol, once fully implemented ChainLocks enables transactions to be confirmed and secured as soon as the block has been processed, rather than waiting for six other blocks to be signed first.
2018-12-3 00:06 | |
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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.
2018-11-21 18:35 | |
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Ben Kaiser from one of the most impressive universities in America, Princeton University and Alex Ledger from Florida International University have written a paper together on what China is impacting Bitcoin.
2018-10-12 08:00 | |
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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.
2018-10-11 00:29 | |
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Think you know the ins-and-outs of bitcoin? Test yourself with 30 questions that grill you on Bitcoin’s history, technology and politics. The 30 questions are split up into three segments ranging from novice to intermediate to expert, and cover a wide range of topics across the Bitcoin landscape.
2018-9-26 02:13 | |
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Malware, a persistent thorn in the side of the internet’s wider community, has become an increasing concern for cryptocurrency users. A problem that comes in many forms, malicious software is leveraged by hackers to rob community members of their funds.
2018-9-18 23:37 | |
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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).
2018-8-9 04:03 | |
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The following is a diagram from a slide that I made in one of my presentations at Cornell this week: </img> If there was one diagram that could capture the core principle of Casper’s incentivization philosophy, this might be it.
2018-7-21 23:03 | |
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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.
2018-6-29 23:07 | |
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Mining pools controlled by the largest Chinese ASIC miners producer Bitmain, mined more than 42% of bitcoin blocks last week, and their share in the network hashrate is growing, making a '51% attack' on bitcoin more real.
2018-6-26 22:14 | |
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The governing body for the aragonOS DAO-creation tool will wind down, transferring its assets to tokenholders.
Despite the inordinate amount of resources needed to engineer them, small-cap cryptocurrencies are still susceptible to a 51% attacks.
Bitcoin SV has been under the hammer of rogue actors in a series of attempted 51% attacks against the network. Where next for BSV?
Three 51% attacks on the Ethereum Classic network have not yet made a significant impact on the price of its cryptocurrency.
Ethereum Classic was hit by another 51% attack on Aug. 29, making it the third attack on the blockchain this month. Various organizations in the crypto community have responded to the attack. ETC Cooperative has advised miners and exchanges to keep confirmation requirements high, which will prevent the attacker from making use of their ill-gotten gains.
Ethereum Classic suffered two 51% attacks in the same week. One week later, exchanges, investors and developers are split on the implications.