ChainThink reports that on November 30, according to CertiK’s security incident report for November published on X, total losses from various attacks, vulnerabilities, and scams in November 2025 amounted to approximately $172.4 million, with about $45 million frozen or recovered, resulting in a net loss of around $127 million. The largest incident was attributed to Balancer ($113 million), followed by Upbit ($29.87 million) and Bex ($12.4 million). In terms of incident types, code vulnerabilities caused the highest losses at $130 million, followed by wallet leaks at $33.05 million. By sector, DeFi projects suffered the most severe losses, totaling $134.9 million. CertiK noted that although some funds have been successfully frozen or returned, the total number of security incidents this month remains high, urging users and project teams to strengthen smart contract audits, key management, and risk mitigation measures ahead of year-end.