Новости о Attacks Bitcoin [ Фото новости ] [ Свежие новости ] | |
Microsoft Warning – Hospitals Vulnerable to Bitcoin Ransomware
Microsoft has issued a chilling warning that many hospitals in the United States are at risk of bitcoin ransomware attacks right now amid the coronavirus pandemic. Bitcoin Ransomware Attackers Target Hospitals The giant software company said that “dozens” of hospitals are using vulnerable gateways and that this makes them easy targets for the REvil ransomware that is currently scanning the internet for these types of flaws. дальше »
2020-4-6 17:00 | |
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Lisk, FTX token, XRP price: Gainers shine, while others wilt
The altcoin market has been following the Pied Piper, Bitcoin, and has been noting similar wave-like movement, but one altcoin was reporting profit despite the constant bear attacks. XRP SourceThe post Lisk, FTX token, XRP price: Gainers shine, while others wilt appeared first on AMBCrypto. дальше »
2020-3-31 21:31 | |
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Bitcoin Price Plunge: BitMEX Blames Two DDoS attacks For Crashing Its Exchange
Following the phenomenal crash in Bitcoin price, the cryptocurrency community has blamed derivatives exchange BitMEX for the crash which they say was caused by a deliberate, massive liquidation on the exchange. дальше »
2020-3-17 17:59 | |
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BitMEX Suffered Two DDoS Attacks that Caused Bitcoin Crash, Refunding 40.297 XBT
After various theories surfaced online accusing BitMEX for crashing the bitcoin price to $3,850, the Seychilled-based crypto derivatives exchange posted its side of the argument. The exchange stated that they “operate a fair and efficient platform. дальше »
2020-3-17 17:33 | |
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BitMEX Refunds Traders After Latest DDoS Attacks
Ever since the shock Bitcoin crash on Mar 13 when BitMEX went offline due to “hardware issues,” users have been awaiting an explanation. Well, today, they got them. However, “subject to two distributed denial-of-service (DDoS) attacks” isn’t convincing many. дальше »
2020-3-17 14:00 | |
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Advanced botnet attack caused $1.2bn in Bitcoin longs liquidation on BitMEX
Bitcoin’s price struggle was further exacerbated last week when the coin plunged to $3,700 on BitMEX and caused almost $1. 2 billion in long contracts to be liquidated on the platform. Now, the exchange’s CTO has revealed that the liquidations were caused by sophisticated botnet attacks that have been probing the platform for days and were […] The post Advanced botnet attack caused $1. дальше »
2020-3-17 22:34 | |
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Bitcoin Gold’s Recent 51% Attacks Were Resisted by Counterattacks
MIT Media Lab’s Digital Currency Initiative has delved into a recent attack on Bitcoin Gold and discovered counterattacks in which miners put the blockchain back on its original course. James...The post Bitcoin Gold’s Recent 51% Attacks Were Resisted by Counterattacks appeared first on Crypto Briefing. дальше »
2020-3-13 08:59 | |
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Bitcoin History: When DDoS Attacks Made BTC’s Price Drop
As anyone who has read the Bitcoin History series (or lived through the period in question) will know, the Bitcointalk forum was the crucible of debate in the early days. What’s less known is that – to quote one poster – “DDoSing this forum coincided with dumps on the then dominant Bitcoin exchange Mt. дальше »
2020-3-8 06:05 | |
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Crypto Tidbits: Bitcoin Plunges Under $9,000, Bitfinex and OKEx DDOS Attacks, Warren Buffett Bashes Cryptocurrency Again
Another week, another round of Crypto Tidbits. Wow, what a past seven days for Bitcoin, cryptocurrencies, and global markets overall. Bitcoin saw a blood-red week, to say the least, falling from $10,000 on Sunday to a low of ~$8,480 within a few days’ time as buyers failed to keep the asset above the key $9,500 support.... дальше »
2020-3-1 02:00 | |
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FBI Report: Bitcoin Ransom Payments Total $144M
Ransomware attacks and similar extortion schemes took in an estimated $144 million in the course of 7 years. FBI estimates show most of the ransoms were paid in Bitcoin (BTC) and went straight to mixers or exchanges. дальше »
2020-2-27 19:00 | |
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Bitcoin’s Lightning Network Is Growing ‘Increasingly Centralized,’ Researchers Find
Bitcoin's lightning network is growing "increasingly centralized," making it more susceptible to attacks, asserts a new paper by security researchers. дальше »
2020-2-21 23:30 | |
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Lightning Network Increasingly Fragile to Attacks – Hope Turns to Drivechain for Bitcoin Scaling
A report published February 7 and authored in part by Blockstream researcher Christian Decker found that the BTC Lightning Network is “evolving towards an increasingly centralised architecture. дальше »
2020-2-19 10:59 | |
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Bitcoin Gold 51% attack highlights the weaknesses of proof-of-work
The 51 percent attack Bitcoin Gold experienced last week sparked an industry-wide debate about the security of the network. Many saw this as proof of BTG’s redundancy, but few focused on the problems in proof-of-work itself that enable these kinds of attacks to happen in the first place. дальше »
2020-1-27 21:06 | |
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How Bitcoin and Other Markets Are Reacting to U.S. Embassy Attack in Baghdad
Markets slipped across the board today after news of rocket attacks on the U. S. embassy in Baghdad. Bitcoin, however, is posting +3. 5% on the daily. Gold also ticked upward slightly. Despite Bitcoin’s upturn, markets are uneasy today as news on the coronavirus worsens and new rocket attacks took place against the U. дальше »
2020-1-28 19:39 | |
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Bitcoin Gold 51% Attacked – Network Loses $70,000 in Double Spends
The Bitcoin Gold (BTG) network suffered another set of 51% attacks on January 23-24, as roughly 29 blocks were removed in two deep blockchain reorganizations (reorgs). Reports indicate that more than 7,000 BTG was double spent as the chain suffered a loss of $70,000 in two days. дальше »
2020-1-27 22:30 | |
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Bitcoin Gold Is Under 51% Dangerous Attack, Miners Double-Spend $72K
Coinspeaker Bitcoin Gold Is Under 51% Dangerous Attack, Miners Double-Spend $72KOne of the most dangerous kinds of attacks for cryptocurrencies costs Bitcoin Gold its reputation, as January 2020 becomes the happy double-spend month for some selfish hackers. дальше »
2020-1-27 22:24 | |
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2019 Saw Most Exchange Attacks Ever, With Hackers Becoming More Savvy
According to Chainalysis, 2019 saw a rise in cryptocurrency exchange attacks, with hackers getting better at dodging security and obscuring loot. The post 2019 Saw Most Exchange Attacks Ever, With Hackers Becoming More Savvy appeared first on Bitcoin Magazine. дальше »
2020-1-23 00:39 | |
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Forex Firm Travelex Hacked By REvil, Hit With $6 Million Bitcoin Ransom Demand
Travelex, a foreign exchange firm was attacked by a group of cyber hackers who demanded ransom worth $6 million. The firm is the newest casualty in an ongoing explosion of ransomware attacks where hackers are looking for cryptocurrency payouts. дальше »
2020-1-8 19:10 | |
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Bitcoin Price Rockets to $8,450 as Iran Attacks US Bases in Iraq
The looming threat of war between the U.S. and Iran pushed commodity prices to record highs and Bitcoin price appears close to confirming a trend reversal near $8.5K
дальше »2020-1-8 08:14 | |
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Will Blockstream’s Watchtowers Help Keep The Lightning Network Safe From Attacks?
The Lightning Network (LN) may be controlled and ordered by Watchtowers in the future. Watchtowers are guided by Blockstream’s c-Lightning team and would be a very important improvement on the Lightning Network, the second-layer scaling solution proposed to solve Bitcoin’s scalability issues. дальше »
2019-12-21 21:18 | |
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4 Million Bitcoins Worth $40 Billion in Danger from Quantum Attacks
4 million BTC (about 25% of all Bitcoins) are potentially at risk from a quantum attack. The mentioned stash is valued over 40 billion USD. The stories about bitcoin being at risk of being obliterated by quantum computing have been going around for a long time now. дальше »
2019-12-20 11:30 | |
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Math Research Suggests Six Confirmations Aren’t Really Needed for Bitcoin Transactions
In a recent research paper, a pair of mathematicians demonstrate that fewer Bitcoin confirmations might still be enough to avoid double-spend attacks. The post Math Research Suggests Six Confirmations Aren’t Really Needed for Bitcoin Transactions appeared first on Bitcoin Magazine. дальше »
2019-12-19 17:27 | |
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Mark Cuban Sounds Ignorant Blasting Bitcoin’s Security and Value
Mark Cuban attacks bitcoin. He made his billions by investing early in the internet but has the wrong idea on the security and value of BTC. The post Mark Cuban Sounds Ignorant Blasting Bitcoin’s Security and Value appeared first on CCN.com дальше »
2019-12-12 17:22 | |
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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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What Is a Bitcoin Brain Wallet and How to Create One for Yourself?
If you have trust issues with third-party services for securing your Bitcoins, perhaps it’s time you considered a more secure solution. Exchanges are vulnerable to attacks, fraud and other forms of illegal activity, smartphones can die, and you may lose your hardware wallets. дальше »
2019-11-18 00:32 | |
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BIP 324: A Message Transport Protocol That Could Protect Bitcoin Peers
BIP 324, proposed by Jonas Schnelli, is designed to protect Bitcoin peers against man-in-the-middle attacks using an action called a “handshake” to share keys more privately. The post BIP 324: A Message Transport Protocol That Could Protect Bitcoin Peers appeared first on Bitcoin Magazine. дальше »
2019-11-14 20:38 | |
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Mexico: State-Owned Oil Firm Targeted in $5 Million Bitcoin Ransomware Attack
Petroleos Mexicanos (PEMEX), a state-owned petroleum company established in 1938, has suffered a ransomware attack that has succeeded in shutting down its computers and online payment systems. The hackers are demanding for 565 BTC and have given the firm a 48-hour deadline to send the money. дальше »
2019-11-13 14:00 | |
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No Threat of Centralization: How Exchanges View the Mining Industry
Coinbase, Kraken and other cryptocurrency exchanges are taking positions on proof-of-work consensus and Bitcoin mining. Despite criticisms against proof-of-work, they argue there is little risk of centralization-induced attacks. дальше »
2019-11-13 15:46 | |
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Quantum Resistant Blockchain Networks are Reportedly a Reality with Quube
Quube, a company registered in Estonia, will reportedly be the first to develop quantum-resistant blockchain solutions in order to prevent potential quantum computer attacks which, according to the company, are a near-future threat. дальше »
2019-11-7 10:00 | |
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Cryptomining Attacks Remain One of the Nastiest Malware Threats of 2019
Ransomware-as-a-service, intricate phishing scams, cryptomining and cryptojacking schemes: Ransomware attacks will continue as long as cryptocurrency remains valuable. The post Cryptomining Attacks Remain One of the Nastiest Malware Threats of 2019 appeared first on Bitcoin Magazine. дальше »
2019-10-29 17:37 | |
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Gauntlet Joins Forces with Stellar (XLM), Celo and Compound
Gauntlet, a simulation platform that builds the financial models of blockchain networks and applications to prepare them against attacks, has joined forces with Stellar Lumens (XLM), Celo, and Compound, a platform for decentralized finance (DeFi). дальше »
2019-10-26 09:00 | |
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Could Ransomware Be Driving Up Bitcoin Prices?
Research is suggesting that the number of ransomware incidents has risen in 2019. The payment method of choice for the majority of this cybercrime is cryptocurrency, predominantly bitcoin. Could BTC price fluctuations be linked to the increase in this online nefarious activity? Bitcoin Price and Ransomware US state departments, public sector facilities schools, hospitals, and businesses are increasingly falling victim to ransomware attacks. дальше »
2019-10-21 10:35 | |
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Europol: Bitcoin is the still the dark web’s favorite cryptocurrency
Bitcoin is still very much the dark web‘s favorite cryptocurrency, but those looking to cover their tracks are slowly learning to use privacy-focused alternatives. “While we have previously reported a small shift towards more privacy-focused cryptocurrencies such as Monero, Bitcoin still remains the currency of choice for both legitimate and criminal use,” reports Europol with its latest assessment of internet-based organised crime. дальше »
2019-10-14 15:45 | |
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Vitalik Buterin Thinks Proof of Stake Will Make Ethereum Safer than Bitcoin
Ethereum founder and programmer Vitalik Buterin thinks the Proof-of-Stake protocol will make the Ethereum blockchain safer than Bitcoin in the next few years according to a press release dated October 9, 2019, from Decrypt. дальше »
2019-10-10 13:00 | |
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Известный разработчик объяснил, почему хардфорк биткоина неприемлем для защиты от «атаки 51%»
Разработчик Bitcoin Core Грегори Максвелл заявил, что люди, призывающие к хардфорку биткоина для обеспечения защиты от «атаки 51%», демонстрируют фундаментальное непонимание первой криптовалюты. дальше »
2019-10-8 21:06 | |
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10 Ways Hackers Will Try to Steal Your Bitcoin
Casa CEO Jeremy Welch gave a talk on the various threats associated with Bitcoin security at the recent Baltic Honeybadger 2019 conference in Riga, Latvia. As part of his talk, Welch provided thirteen examples of how Bitcoin users could lose access to their funds. дальше »
2019-10-7 15:15 | |
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You can’t fix 51% attacks on Bitcoin without adding centralization, argues core developer
The ability to 51% attack Bitcoin indicates that it’s decentralized. It’s impossible to fix this vulnerability without adding centralization, argued Litecoin founder Charlie Lee and Bitcoin Core developer Gregory Maxwell. дальше »
2019-10-7 07:35 | |
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Crypto Warning: Imposter Trezor Bitcoin Wallet Website Targets Users By Using URL Typos
While the developers of trezors argue that Trezor wallet is a safe and secure way to keep your cryptocurrencies from cyber attacks and hackers, the question now arises is it still safe? A Redditor has apparently spotted an imposter website for Bitcoin hardware wallet Trezor. дальше »
2019-10-5 17:09 | |
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Will ransomware attacks force government institutions to HODL Bitcoin?
Local governments in the US continue to be targeted by ransomware attacks. A number of states have been forced to pay a ransom to regain access to their systems. With the number and sophistication of ransomware attacks increasing, will government institutions be forced to stockpile Bitcoin as a hedge against bad actors? дальше »
2019-9-28 15:05 | |
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Bitcoin core developer opens draft BIP protocol Erlay for review; promises to reduce bandwidth consumption
Pieter Wuille, one of the most active Bitcoin core developers, has proposed a new BIP protocol called Erlay which would help the network grow further and secure it against numerous attacks. Bitcoin works on the principle of DLT, which is why the security of the network depends on the connectivity among these nodes. дальше »
2019-9-27 23:30 | |
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BOOM! Saudi Oil Attacks Pose Crucial Test for Bitcoin
The weekend drone attack on Saudi Arabia’s oil production facilities has slashed global oil supplies by five percent, temporarily sending the price of Brent crude up twenty percent. The attack also prompted a one percent rise in the price of gold. дальше »
2019-9-16 18:11 | |
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Bitcoin Mum despite Saudi Attack Raising Demand for Haven Assets
Bitcoin appeared stuck in a price-range on Monday as attacks on Saudi Arabia’s oil facilities raised concerns over global energy supply and renewed tensions in the Middle East. The spot bitcoin rate slipped 0. дальше »
2019-9-16 17:00 | |
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