On November 3, 2025, Balancer suffered an incident in which attackers manipulated internal vault logic to drain liquidity across multiple blockchains. The breach underscores the importance of prioritizing security even for mature protocols with multiple audits, and it raises urgent questions about composability, operational controls, and the evolving threat-landscape in Web3. Here is Certora’s analysis of the incident, as well as a detailed timeline of events.

Discover critical security findings from Uniswap v4’s audits by Certora, OpenZeppelin, Trail of Bits, and Spearbit. Learn how vulnerabilities like double counting on CELO and tick price invariant violations were uncovered and mitigated to strengthen DeFi security.

Lido Finance, a leader in liquid staking, recently introduced a dual governance system to protect user funds and boost DAO security. However, any innovation carries risks and bugs in Lido’s governance would ripple across DeFi. This post details the design review process for Lido's governance system, outlining the challenges, bugs discovered, and solutions implemented to ensure the security and robustness of the protocol.