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Oak

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About Oak

Oak Security offers enterprise auditing and cybersecurity services across Cosmos SDK, Polkadot, Solana, NEAR, Flow, and EVM-based ecosystems with battle-tested ops.

Oak Security is a leading Web3 security auditing firm offering high-assurance smart contract audits and cybersecurity consulting for decentralized systems. With deep specialization in third-generation blockchains such as Cosmos SDK, CosmWasm, Polkadot/Substrate, Solana, NEAR, and Flow (Cadence), Oak Security helps protocols identify, understand, and fix vulnerabilities before launch.


In addition, Oak serves the Ethereum and EVM-compatible ecosystems through its dedicated brand Solidified. Backed by a global team of over 52 security researchers, Oak has completed more than 600 audits and discovered over 7,000 issues. The firm is trusted by major networks including Lido, Filecoin, Osmosis, Sei, Axelar, Stargaze, and Interchain Foundation.

Oak Security was established by two domain experts in computer science and economics who combined their knowledge to form a deeply specialized security firm focused on decentralized technologies. The company’s mission is to provide rigorous, context-aware auditing services that align with the specific architectures, consensus mechanisms, and economic models of emerging blockchain ecosystems. Each project is approached with a tailored methodology, ensuring both code and system-level threats are addressed.


Oak Security offers more than just audits. Its services span the full project lifecycle — from early idea discovery and secure protocol design to economic modeling, penetration testing, and operational security consulting. Oak works with Layer 1 and Layer 2 protocols, smart contracts, governance systems, and off-chain components such as wallets and bridges. This holistic focus allows teams to reduce technical debt, avoid high-impact vulnerabilities, and launch with confidence.


Oak’s technical expertise spans a wide set of technologies, including Cosmos SDK, CosmWasm, Substrate, ink!, Solana, Flow, NEAR, and Cadence. Their clients range from established protocols to new ventures, and audits are conducted across a broad range of application types, including DeFi platforms, DAOs, bridging infrastructure, data indexing layers, and zk-rollup projects.


A key differentiator in Oak’s methodology is its blinded audit process. At least three auditors are assigned to each audit. They conduct their assessments independently, using varied tools and techniques. This prevents bias and ensures broader vulnerability coverage. Once individual reviews are complete, findings are merged during a consensus phase where overlapping and unique issues are analyzed and compiled into a single, cohesive report.


In a field where many audits rely solely on automation or repeatable checklists, Oak stands out by investing in high-context manual review. Their auditors include PhDs, economists, and cryptography specialists, matched to projects based on their specific domain knowledge. As a result, complex systems — such as those involving custom consensus or cryptographic primitives — benefit from reviews that are both technically deep and contextually precise.


Oak publishes its audit reports transparently on GitHub, allowing projects to demonstrate accountability and improve community trust. Compared to competitors like Trail of Bits, CertiK, and ConsenSys Diligence, Oak Security brings a unique balance of process rigor, flexibility, and specialization that’s rare in the Web3 audit space.

Oak Security delivers specialized smart contract auditing and security consulting tailored to complex and multi-layered blockchain ecosystems. Its service offerings and methodologies are designed to maximize coverage, minimize risk, and support teams across the full development lifecycle.


  • Blinded Multi-Auditor Approach: Every audit is performed by at least three independent auditors, who begin their reviews in isolation to prevent group bias and ensure broader detection of vulnerabilities.
  • Cross-Domain Team Structuring: Projects are matched with auditors who specialize in DeFi economics, cryptography, distributed systems, or protocol architecture, depending on the project’s nature.
  • Support for Emerging Tech: Expertise in third-generation ecosystems like Cosmos SDK, CosmWasm, Substrate, Flow, Solana, and NEAR, with additional capabilities for zk-rollups and custom cryptographic primitives.
  • Full-Lifecycle Services: Beyond audits, Oak offers secure development consulting, protocol design reviews, economic modeling, and operational security guidance.
  • Transparent Audit Publishing: All final reports are openly published on GitHub to encourage transparency and community trust.
  • Post-Audit Support: Oak’s team remains engaged for three weeks after audit delivery to verify fixes and provide follow-up consultation.
  • Specialized Tools & Techniques: Auditors use a combination of manual analysis, static code review, fuzz testing, and economic simulation when appropriate.
  • Enterprise-Grade Reliability: Trusted by top-tier ecosystems including Lido, Interchain Foundation, Axelar, Osmosis, and Filecoin.

Oak Security makes it easy for blockchain teams to engage with their expert audit and consulting services — whether you're in early development or ready for mainnet deployment.


  1. Visit the official website: https://www.oaksecurity.io and click on the “Get a Quote” button.
  2. Fill out the form with your name, email, project name, project URL, and a brief description of your requirements. You don’t need a finalized codebase to receive a quote.
  3. Oak’s team will evaluate the complexity, size, and tech stack of your project and reply with a custom quote, timeline, and audit scope — typically within one business day.
  4. Once you approve the quote, your audit is scheduled. Oak will assign specialized auditors based on your protocol’s architecture, such as cryptographers, economists, or distributed systems experts.
  5. During the audit, the team will conduct a blinded, multi-method assessment. After review, you’ll receive a detailed report with findings, risk levels, and remediation advice.
  6. For the following three weeks, Oak’s team remains available to verify your fixes and answer any security-related questions.

Oak FAQ

  • Oak uses a blinded multi-auditor approach where three or more auditors independently review the code before collaborating. This avoids groupthink, expands vulnerability coverage, and ensures methodological diversity. Each auditor applies different tools and reasoning paths, which leads to a more comprehensive and unbiased security review. Learn more at Oak Security.

  • Oak Security customizes the audit team based on your project’s architecture. For example, DeFi protocols get paired with economists, while zk-rollups may involve cryptographers. This matching ensures domain-specific vulnerabilities are caught by experts who understand both the tech and the underlying models. Visit Oak Security for more info.

  • Yes — Oak welcomes early engagement. You can request a quote even with a work-in-progress codebase. Their team will provide an audit estimate based on your project description and technical scope, and optionally reserve an audit slot for when your code is ready. Start the process at Oak Security.

  • After the audit report is delivered, Oak’s team provides three weeks of follow-up to verify remediations. Developers submit their fixes, and auditors confirm whether the issues have been resolved properly. This process ensures accountability and completeness of the audit cycle. For details, visit Oak Security.

  • Oak Security publishes final audit reports publicly on their GitHub repository. These reports demonstrate transparency and offer insight into their review depth, reporting structure, and discovered vulnerabilities.

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