Новости о Cost Attack [ Фото новости ] [ Свежие новости ] | |
Bitcoin Cash 51% Attack Cost Is Crazy Cheap Right Now
According to a site called Crypto 51, the cost for staging a 51% attack on PoW coins is a lot lower than you think. In fact, right now, the cost per hour for wiping out Bitcoin Cash is just $9,130. дальше »
2020-4-11 14:20 | |
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Hard Problems in Cryptocurrency: Five Years Later
Special thanks to Justin Drake and Jinglan Wang for feedback In 2014, I made a post and a presentation with a list of hard problems in math, computer science and economics that I thought were important for the cryptocurrency space (as I then called it) to be able to reach maturity. дальше »
2019-11-25 04:03 | |
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MakerDAO bug could’ve let hackers steal Ethereum powering its DAI stablecoin
MakerDAO, the decentralized organization that runs on Ethereum, has disclosed an enormously dangerous security flaw that could’ve allowed an attacker to steal collateral powering its Dai stablecoin with a single transaction. дальше »
2019-10-3 16:12 | |
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Report: It Costs About $3 Per Day To Attack The Zcash Network
A Denial-of-Service (DoS) attack can be conducted on the Zcash network at a cost of less than $3, daily. The attack causes the Zcash network to become full to its maximum and thus, prevent regular people from making transactions. дальше »
2019-8-27 18:17 | |
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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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Baltimore’s Ransomware Bill Hits $18 Million. Hackers’ Demand? $80,000 in Crypto
By CCN: Total costs from the crypto ransom attack last month on Baltimore’s networks is likely to exceed $18 million. According to Ars Technica, this will include $10 million to fund the full recovery of the IT infrastructure. дальше »
2019-6-6 17:40 | |
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Miners Exploit Recent Bug to Launch 51% Attack on the Bitcoin Cash Network
Bitcoin Cash recently upgraded its network to integrate the Schnorr Multisig feature. As good as the development was with the advantages of Schnorr, it led to a fault that would have cost Bitcoin Cash more than the advantages of Schnorr. дальше »
2019-5-25 15:20 | |
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Op Ed: Why Bitcoin’s “Toxic” Maximalism Makes Sense
Over the years, Bitcoin has gained a reputation for having a “toxic” community of users around it. This accusation is mostly thrown at Bitcoin by proponents of altcoins and those who have supported various Bitcoin hard fork attempts in the past. дальше »
2019-4-5 16:23 | |
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Op Ed: Why It’s Unsafe to Store Private Crypto Keys in the Cloud
There are two primary reasons why storing your private crypto keys in the cloud is a bad idea. First, your cloud provider represents a centralized honeypot that could experience a security breach, allowing cyber criminals to access your data. дальше »
2019-2-19 00:19 | |
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Analysis: Bitcoin Costs $1.4 Billion to 51% Attack, Consumes as Much Electricity as Morocco
To successfully conduct a 51 percent attack on the Bitcoin network would cost an incredible $1. 4 billion. This massive network supports over 5 million specialized ASIC mining computers, consuming a total of 29 Terahashes of electricity—as much as the entire country of Morocco. дальше »
2018-11-29 14:00 | |
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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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Nouriel Roubini Tries to Attack Bitcoin by Saying Fees Cost $55, Fails
Global economist Nouriel Roubini expressed his rage against Bitcoin and blockchain while displaying his profound lack of understanding in the field. A Political Rap against Crypto Roubini was present at an informational hearing round “Exploring the Cryptocurrency and Blockchain Ecosystem” organized by the US Senate Committee on Banking, Housing, and Urban Affairs, alongside Peter Van. дальше »
2018-10-12 10:38 | |
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EU might fine Facebook $1.63B for latest data breach
Facebook’s data breach from last week – which impacted more than 50 million users – might cost the company a pretty penny. If the European Union’s (EU) watchdog finds that the company violated privacy laws, it could face a massive fine of $1. дальше »
2018-10-2 13:00 | |
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Audits and Quality Assurance: Patching the Holes in Smart Contract Security
On July 10, 2018, news broke that cryptocurrency wallet and decentralized exchange Bancor was hit with a hack. A wallet the Bancor team used to update the protocol’s smart contracts was infiltrated, and the $23. дальше »
2018-8-3 19:24 | |
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Governance, Part 2: Plutocracy Is Still Bad
Coin holder voting, both for governance of technical features, and for more extensive use cases like deciding who runs validator nodes and who receives money from development bounty funds, is unfortunately continuing to be popular, and so it seems worthwhile for me to write another post explaining why I (and Vlad Zamfir and others) do not consider it wise for Ethereum (or really, any base-layer blockchain) to start adopting these kinds of mechanisms in a tightly coupled form in any significant way. дальше »
2018-7-21 23:03 | |
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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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Op Ed: Venmo Offers the Ultimate Cryptocurrency Experience
Venmo could be the ultimate cryptocurrency experience from a user-experience perspective. Any cryptocurrency that seeks to power the future of global transactions must ensure that it is supported by a payment system that is simple, user-friendly and free — like Venmo. дальше »
2018-6-11 16:51 | |
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