Cannes, France, March 30th, 2026, Chainwire

Built over six years of collaboration, Certora and Aave embedded security directly into Aave V4’s architecture, creating one of the strongest security frameworks in DeFi.

Certora, leading provider of formal verification tools and smart contract audits for Web3 protocols, unveils details of the security framework developed in collaboration with Aave Labs to secure Aave V4, the next generation of one of decentralized finance’s largest lending protocols.

“DeFi protocols are increasingly operating at the scale and complexity of financial infrastructure,” said Mooly Sagiv, Founder and Chief Scientist of Certora. “Security can no longer rely on point-in-time audits. With Aave V4, we worked alongside engineers throughout development, continuously verifying critical system properties to ensure the protocol behaves exactly as intended.”

Instead of entering the process near the end of development, Certora joined the Aave V4 effort more than a year before launch. Working closely with Aave engineers, the team reviewed system architecture, governance pathways, and economic assumptions early in the design process, allowing security considerations to influence the protocol’s structure from the start.

The work builds on a relationship between Certora and Aave that has spanned more than six years and several versions of the protocol. Throughout the development of Aave V4, Certora’s researchers worked alongside Aave engineers to apply continuous formal verification, adversarial testing, and manual auditing to identify issues early and strengthen the system before deployment.

Throughout development, Certora applied formal verification, a mathematical approach used to prove that software satisfies specific security properties. The engagement included:

• Verification of key protocol guarantees, including asset conservation, collateralization rules, liquidation correctness, permission safety, upgrade security, and cross-market consistency
• Continuous manual review by senior auditors with expertise in lending protocols, oracle systems, governance mechanics, and DeFi exploit patterns
• A large-scale external security contest involving independent researchers, where no critical or high-impact vulnerabilities were identified, providing additional validation of the protocol’s security architecture. 

Across this long term partnership, Certora and Aave have secured multiple generations of the protocol and billions of dollars in on-chain liquidity, including:

• 169 smart contracts reviewed
• More than 51,000 lines of code analyzed
• 800+ formal verification rules created and continuously tested
• 28 significant vulnerabilities prevented before deployment.

As decentralized finance continues to mature and attract institutional capital, stronger security guarantees are becoming a prerequisite for large-scale adoption. Certora’s work with Aave reflects a broader shift across the industry toward continuous security engineering. In 2025 alone, Certora helped secure $196.5 billion in total value locked across DeFi protocols and prevented more than 720 vulnerabilities from reaching production. 

For more information, please visit certora.com/blog/certora-x-aavev4 or follow @Certora.

About Certora

Certora is the security assurance partner trusted by the most advanced teams in Web3. Founded in 2018 by pioneers in programming languages and formal methods, Certora helps leading protocols like Lido, Aave, Uniswap, and Compound secure billions in value with confidence.

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