Web3 Security For the Few Who Demand
perfection.

We stop multi-million dollar breaches by uncovering vulnerabilities in protocol code before the attackers do.

Trusted by
the best

Polygon
Arbera
Azuro
Beezie
Credifi
Curve
EthOS
Supra
Polygon
Arbera
Azuro
Beezie
Credifi
Curve
EthOS
Supra
CDSecurity Logo
0+
Audits Completed
$0B+
Secured on Chain

Languages We Audit

Expert security analysis across all major blockchain programming languages

Solidity

Rust

Cairo

Move

TypeScript

Why Top Protocols Trust CD Security

Discover why leading protocols choose CD Security for their audits

  • Senior Experts on Every Audit

    Your audit is handled only by seasoned senior auditors, carefully matched to your protocol's exact domain.

  • Real Attacker Mindset

    Our auditors operate with an authentic attacker's mindset, simulating how real adversaries would target your system.

  • Proven Track Record with Leading Protocols

    We’ve audited some of the biggest and most complex protocols in DeFi. We know what high-stakes systems demand and how to secure them.

  • Can Start as Soon as 24 Hours After Your Request

    Fast start windows for urgent reviews and pre-launch checks.

What Our Clients Say

Trusted by leading projects across the blockchain ecosystem

CD Security exceeded our expectations during Beezie's smart contract audits. Their thorough approach, deep expertise, and proactive communication ensured top-notch security. Working with them was a pleasure, and we trust them completely for all our future auditing needs!

Beezie

CD Security engagement has been very productive for us as they are thorough and diligent, highly responsive and fast. Their intact knowledge of the previous versions has helped our code quality and has trained our engineers to be the best in class.

Kokio

Our experience with CD Security was professional, punctual, and responsive throughout the process. They deeply understood what we're building and provided thoughtful input and security findings. A smooth experience from start to finish.

Credifi

Our collaboration with CDSecurity was highly productive. Their auditors demonstrated exceptional engagement and promptly communicated all findings. Hard to give criticism, it was great partnership and quality of work and communications were top notch, thank you guys!

Arbera

CD Security delivered a thorough audit for our Smart Invoice smart contracts, demonstrating strong attention to detail and expertise. Despite a few last-minute changes on our end, they were highly responsive and accommodating throughout. Their clear communication ensured the process ran smoothly, and we look forward to working with them again for future security needs.

Smart Invoice

CD Security provided great insights along with solutions for our project. Great feedback and collaboration allowed us to deliver quickly and securely.

EthOS

CD Security exceeded our expectations during Beezie's smart contract audits. Their thorough approach, deep expertise, and proactive communication ensured top-notch security. Working with them was a pleasure, and we trust them completely for all our future auditing needs!

Beezie

CD Security engagement has been very productive for us as they are thorough and diligent, highly responsive and fast. Their intact knowledge of the previous versions has helped our code quality and has trained our engineers to be the best in class.

Kokio

Our experience with CD Security was professional, punctual, and responsive throughout the process. They deeply understood what we're building and provided thoughtful input and security findings. A smooth experience from start to finish.

Credifi

Our collaboration with CDSecurity was highly productive. Their auditors demonstrated exceptional engagement and promptly communicated all findings. Hard to give criticism, it was great partnership and quality of work and communications were top notch, thank you guys!

Arbera

CD Security delivered a thorough audit for our Smart Invoice smart contracts, demonstrating strong attention to detail and expertise. Despite a few last-minute changes on our end, they were highly responsive and accommodating throughout. Their clear communication ensured the process ran smoothly, and we look forward to working with them again for future security needs.

Smart Invoice

CD Security provided great insights along with solutions for our project. Great feedback and collaboration allowed us to deliver quickly and securely.

EthOS