Security

Sandwich Attacks Surge on Solana, Targeting GMGN Trading App

Sandwich Attacks Surge on Solana, Targeting GMGN Trading App

Over the past month, Solana’s decentralized finance (DeFi) ecosystem has been the subject of an onslaught of sandwich attacks. This unfortunate trend has been a source of frustration for developers and users alike. As a result, attackers are exploiting transaction ordering to extract value with growing success. One trading application,...

Solana's Covert Patch Reignites Decentralization Concerns

Solana's Covert Patch Reignites Decentralization Concerns

Solana, which has positioned itself as a fast, scalable alternative to Ethereum, recently addressed a critical security vulnerability with an emergency patch applied on April 17. Core validators have already launched a coordinated effort behind the scenes. This has sparked a fresh concern around the network’s decentralization. This ghost patch...

Social Engineering Scam Nets $330M Bitcoin Haul From U.S. Senior

Social Engineering Scam Nets $330M Bitcoin Haul From U.S. Senior

A $330 million cryptocurrency hack, the largest ever at the time, has shaken the crypto world. An advanced social engineering scam caused a U.S. senior citizen to lose their life savings on May 4, 2025. In time, investigators tracked the incident down to this nefarious plot. These fine amounts were...

Crypto Hacker's Attempted Escape Foiled at Israeli Airport

Crypto Hacker's Attempted Escape Foiled at Israeli Airport

On May 1, Israel’s immigration authorities arrested Gurevich at Ben-Gurion Airport. He’s a dual Russian and Israeli citizen reportedly connected to the $190 million Nomad bridge hack. Gurevich (who had recently adopted the name Alexander Block just a few days prior) was attempting to catch a flight to Russia when...

Arizona Hit Hard by Rising Bitcoin ATM Scams

Arizona Hit Hard by Rising Bitcoin ATM Scams

So far, Arizonans have lost millions of dollars to these Bitcoin ATM scams. As seen in these scams, we’re witnessing a more dangerous and sophisticated convergence between digital finance and cybercrime. This creates a significant burden for law enforcement and consumers alike. As the number of cryptocurrency ATMs—an introduction that...

Crypto Losses Surge in April, Reaching $364 Million

Crypto Losses Surge in April, Reaching $364 Million

Crypto-related hacks, exploits, and scams caused a cumulative loss of $364 million in April, per a report released last week by CertiK. This amounts to an appalling 1,163% increase over the $28.8 million we lost in March. Though there were notable successful asset recoveries, the sum of those figures illustrates...

Loopscale Recovers $2.8M After DeFi Exploit and Bounty Negotiation

Loopscale Recovers $2.8M After DeFi Exploit and Bounty Negotiation

Loopscale, a decentralized finance (DeFi) platform, has managed to recover around $2.8 million after being exploited in a major exploit over the weekend. Negotiations with the exploiter, who stole $6 million in assets from Loopscale’s multi-chain vaults on April 26, preceded this recovery. This incident is illustrative of an alarming...

Experts Predict Top Fraud Trends Impacting High-Risk Merchants in 2025

Experts Predict Top Fraud Trends Impacting High-Risk Merchants in 2025

We know the fraud landscape is constantly evolving. High-risk merchants need to be proactive about new threats to protect their revenue and keep their customers’ trust. A recent Finextra blog post outlines the five fraud trends that will be most felt by high-risk merchants in 2025. This smart piece was...

Open Source Under Scrutiny Balancing Innovation and Security in Crypto and AI

Open Source Under Scrutiny Balancing Innovation and Security in Crypto and AI

Transparency and verifiability are the core tenets of open-source technology, which promotes trust and collaboration. The open-source model has come under greater scrutiny as its impact on security and IP protection becomes more obvious. From decentralized finance (DeFi) protocols to artificial intelligence (AI) models, the debate over open versus closed...