A major security incident at Binance resulted in a $6.34 billion hack traced back to a malicious coding assignment targeting developer machines. The attack chain involved compromise of developer endpoints, exploitation of AI tooling, and ultimately unauthorized wallet signing. The article from StepSecurity analyzes the November 3 findings and outlines how the breach progressed from initial developer machine compromise to critical wallet operations. It highlights the risks of supply chain and developer-environment attacks in cryptocurrency platforms. The article also provides guidance on developer-machine security controls and incident response recommendations to prevent similar attacks.