Held as #1 in digital-asset security.

Protocol Defence's commitment to high quality audits, keeping up with industry best practices and alignment between the reviewors and the protocol has led to them being a highly valuable partner in improving security of the protocol

Our experience with Protocol Defence has been amazing. All security researchers on the team were exceptional at understanding all intricacies of the design and the team is well suited to audit any novel DeFi product that comes their way.

Extremely proficient. I feel like they care about their contribution on a personal level. They are on a mission to become the best auditors out there. They don't need much guidance and understand the codebase quickly.

We have used a mix of review shops before. Some were painful. Protocol Defence was a pleasure to work with.

Our audit with Protocol Defence far exceeded expectations in terms of the number of vulnerabilities they were able to find and the level of service that they provided.

As a security audit company, Protocol Defence's approach to security and overall effectiveness is truly exceptional. Working with them has been a revelation – their auditors are among the best we've ever collaborated with.

10/10. They are among the strongest security minds in the space. This is how DeFi reviews should run.

Protocol Defence has been an integral part of the growth of GMX and our ecosystem of protocols who also rely on them for audits. Having Protocol Defence as a strategic partner has allowed us to move more quickly while keeping security as our highest priority.

Protocol Defence has an sharp eye for detail and goes further than required to ensure that the code is watertight. They are able to assess super advanced Solidity inline-assembly with ease.

The Protocol Defence team's eye for detail is excellent. We sleep better knowing they went through every part of the codebase with care.

We very much appreciate Protocol Defence's approach to security and the entire review process. Protocol Defence goes further than required to not only do manual reviews but also contributes to verification processes.

Protocol Defence's thorough review process have left a strong impression on us. Their keen eye for detail and responsive support are qualities that shine through in every engagement.

10/10. Protocol Defence thoroughly reviewed our EVM implementation and found design flaws that AI agents barely catch.

10/10. Fast, thorough, and cost-effective.

Strong references. We compared public report findings with other reviewers on the same projects and Protocol Defence had the stronger set.

A thorough review — that is the bar for bringing real-world assets onchain.

You did excellent work here, as usual — we appreciate the effort so far.

We cannot recommend Protocol Defence enough. The team is diligent, sharp, and a pleasure to work with.

Protocol Defence showed professionalism and care that stood above the rest. They caught issues our other reviewers missed.

Protocol Defence auditors conducted a remarkably thorough review. Their approach was well structured and we greatly appreciated the speed and professionalism of their feedback.

We were impressed with Protocol Defence's overall approach to security, focus on tests, attention to detail and streamlined review process. We enjoyed working with them.

A strong experience with the team. Their professionalism, pace, and quality of work stood out.

The Protocol Defence team is incredibly knowledgeable, thorough, and mindful. They caught issues that required extensive knowledge of dependencies.

It is clear Protocol Defence is a team of strong professionals who care about the final outcome.

After many reviews over many years, no one comes close to Protocol Defence's method, and the quality of the review stands apart.

My team and I have worked with many auditors in the past, including generally considered top tier firms. I can confidently say that we have never felt as secure as when working with Protocol Defence.

Strong team, strong work.

Protocol Defence was an outstanding partner on our review. Each finding came with real detail and practical fixes. Strongly recommended.

Protocol Defence brought rigorous security to our Bounce Tech smart contracts, finding edge cases and guiding fixes with clear communication.

Protocol Defence's pragmatic and business-focused approach to security ensures that every insight is not only technically sound but directly useful for real-world decision-making.

Even on a very tight timeline, Protocol Defence was professional, fast, and thorough, and delivered strong work on time. The best team we have worked with.

Protocol Defence found a key bug earlier reviews had missed, even though it sat outside scope. That kind of extra care is rare.

In our previous engagements, the Protocol Defence team was extremely thorough. I also felt that the two-team approach would give a more in-depth coverage of our codebase.

Protocol Defence's work helped us not only better secure our smart contracts, but also refine specs and assumptions of the system overall.

Protocol Defence has been an excellent security partner through multiple audits. Their combination of great security researchers and custom fuzz testing is an incredibly strong approach to security. Highly recommend.