Cybersecurity experts are raising alarms after hackers are increasingly using Ethereum smart contracts to disguise malicious code within their attacks. These so-called “supply chain attacks” exploit the anonymity and complex nature of blockchain technology to evade detection. ReversingLabs, a cybersecurity firm, has uncovered this technique, which allows attackers to hide malware infrastructure and evade security checks by obfuscating commands within the Ethereum network. The impact is significant for developers who rely on these smart contracts as they face challenges in detecting and securing their applications from attacks. This development highlights the need for heightened scrutiny of open-source software packages and increased vigilance against sophisticated cyber threats. While no financial losses have been reported yet, this incident signals a potential vulnerability in blockchain security that experts are actively addressing. Experts believe this could lead to stricter regulatory measures and technological innovations aimed at mitigating these risks.