Ethereum
Hackers Steal $150 Million from Asian Cryptocurrency Exchange
KuCoin, a Singapore-based cryptocurrency exchange, has disclosed a security incident that resulted in the unauthorized transfer of roughly $150 million in digital assets. In a notice published last week, KuCoin notified clients that it ...
Two Russians Charged in $17M Cryptocurrency Phishing Spree
U.S. authorities today announced criminal charges and financial sanctions against two Russian men accused of stealing nearly $17 million worth of virtual currencies in a series of phishing attacks throughout 2017 and ...
What About GandCrab’s $2 Billion? Ransomware Operators Pocketed Only $140 Million Over Six Years, FBI Calculates
Ryuk, Dharma, Bitpaymer, SamSam and other prominent ransomware strains have generated hundreds of millions of dollars for their authors, according to calculations by the FBI. Does that mean the GandCrab gang, which ...
Thieves stole $1.7 billion in cryptocurrency in 2018 as mining gives way to stealing in crypto space
Bitcoin’s legendary ascension to the $20,000 mark a little more than a year ago inspired legions of fast-buck makers to hop on the bandwagon and invest in this intriguing yet volatile asset ...
The Rise and Fall (and repeat) of Crypto
We’re back!… it’s been a year since the first podcast on Bitcoin and wow…. things have happened. It’s also been about 6 months since the last podcast so if you’re back as ...
AIRA Lab Robonomics Smart Contracts Audit
Positive.com experts have assessed the source code of AIRA Lab Robonomics smart contracts.The final version of the audited contracts can be found in the Airalab/robonomics_contracts Github repository, branch master. The version used ...
No cryptocurrency exchange can fully guarantee security, researchers say
2017 saw many risk-takers rack up small fortunes by riding the Bitcoin wave, but some ended up in tears — their accounts hacked and their crypto-wallets emptied. While you might be tempted ...
Breaking Randomness in the Ethereum Universe [part 1]
It is widely acknowledged that generating secure random numbers on the Ethereum blockchain is difficult due to its deterministic nature. Each time a smart contract’s function is called inside of a transaction, ...
PHDays 8: EtherHack Contest Writeup
This year at PHDays security conference a new contest called EtherHack was held. The goal was to be the first to solve all tasks which featured smart contract vulnerabilities. Here we present ...
Google officially bans all crypto miners from Chrome web store
Cryptocurrency miners have become such a problem that Google is taking a radical measure to protect customers from stealthy miners disguised as legitimate browser extensions – banning any miner that even approaches ...
