• At A2-Security, we are dedicated to securing the world of Defi. As a specialized auditing firm, we focus exclusively on Defi, ensuring they operate safely and transparently. Our mission is to protect users and enhance trust in decentralized finance by identifying vulnerabilities and strengthening the security of lending platforms.

• Our team members have collectively uncovered 100+ H/M vulnerabilities across major protocols. This track record demonstrates our expertise in elevating security with cutting-edge insights.

ElHaj is a top-performing security researcher with a proven track record of excellence in smart contract auditing. With multiple first-place finishes and consistent top rankings across various platforms, ElHaj has established himself as a leading expert in DeFi security.

Key strengths:

• Deep expertise in securing DeFi and cross-chain protocols
• Advanced knowledge of Solidity and low-level Yul

Achievements:

• Multiple first-place finishes in high-profile auditing contests
• Recognized member of the Code4rena pro league

ElHaj's comprehensive understanding of DeFi mechanics, combined with his mastery of smart contract languages, enables him to identify critical vulnerabilities that others might overlook. His work in securing cross-chain protocols has been particularly impactful, contributing significantly to the overall security and stability of the DeFi ecosystem.

Alix40 is a versatile security researcher with over 3 years of web2 security experience, who has successfully transitioned to become a DeFi and lending protocol specialist. This unique background combines traditional cybersecurity knowledge with cutting-edge blockchain expertise.

Key strengths:

• Specialized expertise in lending protocol security
• Strong mathematical background for identifying complex vulnerabilities

Achievements:

• Audited numerous leading lending protocols
• Multiple high rankings in complex lending protocol contests + Several top 5 finishes on platforms like Code4rena and Cantina

Alix40's analytical skills, honed through years of web2 security work, coupled with a deep understanding of DeFi mechanics, make them particularly adept at uncovering subtle, high-impact vulnerabilities that others might miss.