Using block.timestamp as the deadline/expiry invites MEV

Lines of code 307 Vulnerability details Passing block.timestamp as the expiry/deadline of an operation does not mean "require immediate execution" - it means "whatever block this transaction appears in, I'm comfortable with that block's timestamp". Providing this value means that a malicious mine...

Using block.timestamp as the deadline/expiry invites MEV

Lines of code 307 Vulnerability details Passing block.timestamp as the expiry/deadline of an operation does not mean "require immediate execution" - it means "whatever block this transaction appears in, I'm comfortable with that block's timestamp". Providing this value means that a malicious mine...

Cryptocurrency threat predictions for 2019

Kaspersky Security Bulletin: Threat Predictions for 2019 Threat predictions for industrial security in 2019 Cyberthreats to financial institutions 2019: overview and predictions Introduction – key events in 2018 2018 saw cryptocurrency become an established part of many people's lives, and a more...

In cryptoland, trust can be costly

While the legal status of cryptocurrencies and laws to regulate them continue to be hammered out, scammers are busy exploiting the digital gold rush. Besides hacking cryptocurrency exchanges, exploiting smart-contract vulnerabilities, and deploying malicious miners, cybercriminals are also...

Mining is the new black

UPDATED March 5th, 15.00 Last year we published a story revealing the rise of miners across the globe. At the time we had discovered botnets earning millions of USD. We knew this was just the beginning of the story, which turned out to develop rapidly. Together with the rest of the world, we have...

Cyber criminals targeting another cryptocurrency 'Primecoin' with malicious miners

Like Bitcoin, There are numerous other cryptocurrency similar in nature, including MasterCoin, ProtoShares, Litecoin, Peercoin, BitBar and many more. One of them is Primecoin sign: Ψ; code: XPM, a peer-to-peer open source cryptocurrency that implements a scientific computing proof-of-work system...