Blockchain security firm CertiK has reported that November 2025 saw $172.4 million lost due to various security incidents, including attacks, vulnerabilities, and fraud. Of this amount, approximately $45 million was successfully frozen or recovered, resulting in a net loss of $127 million. The most significant incident involved Balancer, which accounted for $113 million of the losses. Other notable incidents included Upbit with $29.87 million and Bex with $12.4 million. Code vulnerabilities were the primary cause, leading to $130 million in losses, while DeFi projects were particularly affected, suffering $134.9 million in total losses. CertiK emphasized the need for enhanced contract audits and risk management as the year concludes.