virtual currency

Pierluigi Paganini November 05, 2023
US govt sanctioned a Russian woman for laundering virtual currency on behalf of threat actors

The Treasury Department sanctioned a Russian woman accused of laundering virtual currency on behalf of cybercriminals. The Department of the Treasury’s Office of Foreign Assets Control (OFAC) on Friday sanctioned Ekaterina Zhdanova, a Russian national, for her role in laundering and managing virtual currency on behalf of Russian elites, ransomware operators, and other threat actors. “Through […]

Pierluigi Paganini May 24, 2018
Bitcoin Gold hit by double-spend attack, exchanges lose over $18 million

An unknown hacker made over $18 Million worth of BTG (Bitcoin Gold) powering “double spend” attacks on the Bitcoin Gold cryptocurrency network. The attacks started on May 18, the attacker used a large number of servers that allowed him to take the control of the majority of the Bitcoin Gold’s network hashrate, an attack technique dubbed “51% […]

Pierluigi Paganini March 21, 2018
A flaw in Ledger Crypto Wallets could allow to drain your cryptocurrency accounts. Fix it!

Saleem Rashid, a 15-year-old researcher from the UK, has discovered a severe vulnerability in cryptocurrency hardware wallets made by the Ledger company. Hardware wallets enable transactions via a connection to a USB port on the user’s machine, but they don’t share the private key with the host machine impossible malware to harvest the keys. Saleem Rashid has found a […]

Pierluigi Paganini September 26, 2017
CBS Showtime website was spotted mining cryptocurrency in viewers’ web browsers

The websites of the CBS’s Showtime was found containing a JavaScript code that allowed someone to secretly mine cryptocurrency in viewers’ web browsers. Over the weekend,  the websites of the CBS’s Showtime were found containing a JavaScript code that allowed someone to secretly mine cryptocurrency in viewers’ web browsers. The websites and silently […]

Pierluigi Paganini August 19, 2016 warns state-sponsored attacks against the Bitcoin Core

The organization that controls the development of the Bitcoin software warns users that nation-state actors may hit the upcoming Bitcoin Core release. The organization that controls the development of the Bitcoin system,, has warned of possible cyber attacks coordinated by nation-state attackers. Bitcoin Core is the open source client for Bitcoin, the version Bitcoin Core […]

Pierluigi Paganini August 15, 2016
DDoSCoin, the cryptocurrency that pays the participation in DDoS attacks

Two researchers have devised a cryptocurrency scheme dubbed DDoSCoin that pays everytime a user participates in a DDoS attack against certain servers. The assistant professor at the University of Colorado Eric Wustrow and the phD student at the University of Michigan Benjamin VanderSloot have conducted a curious proof-of-concept project aimed at the creation of a cryptocurrency that […]

Pierluigi Paganini August 14, 2016
Bitfinex offers a $3.5M reward for info that help to recover stolen Bitcoins

Bitfinex exchange is willing to offer 5% of the lost funds (nearly 6,000 BTC) as a reward for the recovery of the stolen bitcoins. Early August, the Bitcoin plunged just over 20% after news of the security breach suffered by Bitfinex that led the theft of 120,000 Bitcoin. Last week the company announced a reward of […]

Pierluigi Paganini February 16, 2016
Approximate machine improves the Bitcoin mining by 30 percent

A team of Illinois-based scientists have conducted a research to improve the Bitcoin mining process by 30 percent. Bitcoin mining is becoming a process even more costly in terms of computational resources, but a team of Illinois-based researchers have conducted a study to speed up this process. The group of scientists led by Indian Scientist […]

Pierluigi Paganini January 16, 2016
Senior Bitcoin developer expects a failure of the currency

Mike Hearn explains that the fundamentals are broken and the price the long term trend should probably be downwards. Mike Hearn, a senior Bitcoin developer explained the failure of the Bitcoin cryptocurrency as experiment and announced he has stopped working on it and sold his coins. Hearn blamed the community for the failure, according to the […]

Pierluigi Paganini October 08, 2015
Someone could break the Bitcoin Network on demand

Researcher with the pseudonym of “Alister Maclin” claims to be able to break Bitcoin network on demand by running the malleability attack. According to MotherBoard, a researcher with the pseudonym of “Alister Maclin” claims to be able to break Bitcoin on demand. The experts detailed a technique of attack dubbed malleability attack that could allow attackers […]