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Bitcoin Gold Whale Allegedly Controls Half the BTG Supply
6.3.2020
According to a recent study, bitcoin gold (BTG) market prices are being manipulated by a single whale who holds a significant portion of the bitcoin gold in circulation. The Bitcoin Gold network was recently hit with a 51% attack that caused two blockchain reorganizations. The team of...
US Charges North Korea-Linked Chinese Nationals for Laundering Over $100 Million in Stolen Cryptocurrency
3.3.2020
The U.S. government has charged two Chinese nationals involved in laundering stolen cryptocurrency worth $100 million from an exchange allegedly for the benefit of North Korea. They are linked to the U.S.-designated North Korean state-sponsored Lazarus Group. A total of 113 cryptocurrency accounts...
Bitcoin Mining Investment Strong – BTC Hashrate Surpasses All-Time High
2.3.2020
On Monday, March 2, miners processing blocks on the BTC network surpassed the network’s all-time high as the overall hashrate touched 136 exahash (EH/s). The record-breaking achievement happened despite the price of BTC dropping below the $9K region throughout the course of the last week....
OKEx and Bitfinex Suffer a DDoS Attack
28.2.2020
In what's turning into a series of crypto exchanges with issues this month, Bitfinex and OKEx have both reported a distributed denial-of-service (DDoS) attack.
Just this morning (UTC time), Bitfinex took to Twitter to notify the user that they are investigating what seems to be a DDoS, sharing...
Draper-Backed Exchange in Lockdown Following ‘Sophisticated’ Attack
27.2.2020
Coinhako has restricted user accounts since last Friday following an "attack," but has not released many details around the incident
The DeFi ‘Flash Loan’ Attack That Changed Everything
27.2.2020
Flash loan attacks are here to stay and are likely to get more serious. DeFi needs to adapt, says a leading crypto VC
No, Concentration Among Miners Isn’t Going to Break Bitcoin
20.2.2020
Bitcoin's resilience doesn't depend on widely distributed mining power. It just requires self-interested miners, says CoinDesk columnist Hasu
Everything You Ever Wanted to Know About the DeFi ‘Flash Loan’ Attack
19.2.2020
Here's a plain-English breakdown of the bZx attacks and their broader implications for the budding DeFi markets
The Flash Loan Attacks Explained (For Everybody)
19.2.2020
Today we're breaking down the flash loan attacks that rocked the DeFi community in a way even your grandpa can understand, presented in both audio and full-text format
Is It Exploitation Season for DeFi?
18.2.2020
Are two recent attacks taking advantage of "flashloans," low liquidity and price oracle issues the first of more to come?
DEX Volume Soars But Bzx Exploit Raises Questions About ‘Decentralization Theatre’
18.2.2020
As the decentralized finance juggernaut rolls inexorably forward, the exploitation of defi project Bzx – in which $350K, or around 2% of total assets was taken – has called the decentralization of the industry into doubt. The attack forced an admin key reset to redeem lost funds...
Why Exchanges List Small-Cap Coins Despite 51% Attacks
11.2.2020
It is profitable for exchanges to list low market-cap coins, despite the potential for 51 percent attacks, say two VCs from Dragonfly Capital
How to Use a U2F Key to Secure Your Crypto Accounts
9.2.2020
Universal 2nd Factor (U2F) is an open standard for strengthening two-factor authentication. It involves the use of a physical key to reinforce 2FA, hardening your online accounts from attack. In this guide, we’ll explain how to use a Yubikey to lock down your exchange account, email account...
Crypto Researcher Hasu Flags Attack That Could Bring ‘Purge’-Style Mayhem to Bitcoin
6.2.2020
Like the dystopia of the "Purge" movies, a newly uncovered potential attack on bitcoin would permit users to rob each other for a short period of time
51% Attack on Bitcoin Is Now Pricier, Attack on Ethereum - Cheaper
28.1.2020
Source: iStock/da-kuk
When it comes to the estimated possibility of a 51% attack, while there's great news for some networks, several networks have a reason to be worried.
After recent attacks on Bitcoin Gold (BTG), we decided to re-visit both the vital discussion of 51% attack vulnerabilities*...
Bitcoin Gold Blockchain Hit by 51% Attack Leading to $70K Double Spend
27.1.2020
A 51% attack on the Bitcoin Gold blockchain lead to double spend of $70,000 worth of the cryptocurrency
Bitcoin Gold 51% Attacked – Network Loses $70,000 in Double Spends
26.1.2020
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. Also read: Bitcoin...
Why Harvard Research on a Low-Profit Tezos Attack Matters for Proof-of-Stake
8.1.2020
The study reveals some of the understudied aspects of proof-of-stake cryptocurrencies
Bitcoin Hits New 2020 High Above $8,400 After Iranian Missile Attack
8.1.2020
Bitcoin’s price has hit a new record for 2020, reaching as high as $8,438 before retracing slightly
Why Double Spends on BCH Are Not the Same as Replace-By-Fee Fraud
3.1.2020
When it comes to creating a peer-to-peer electronic cash system, accepting zero confirmation transactions becomes critically important. When a model’s main aim is to “just hodl” or push an isolated store of value narrative, important concerns like double spending can take a back...