
CertiK is the largest blockchain security auditor providing AI-powered and formal verification-based security services to protect smart contracts, blockchains, and Web3 protocols.
CertiK is a leading blockchain security company specializing in protecting Web3 projects through a comprehensive suite of security services. It combines artificial intelligence and formal verification techniques to audit smart contracts, blockchain protocols, and off-chain infrastructure. CertiK’s offerings cover the entire Web3 security lifecycle, from initial code audits and penetration testing to real-time on-chain monitoring and compliance solutions. This makes it suitable for startups launching new projects as well as established enterprises scaling their blockchain operations.
The platform’s core features include smart contract audits that detect vulnerabilities across multiple programming languages, penetration testing for off-chain components, and a real-time evaluation system called Skynet that monitors over 20,000 projects and 100+ ecosystems. CertiK also provides AML (Anti-Money Laundering) and risk management tools through SkyInsights, decentralized whitehat community support via SkyShield, and node validation services with SkyNode. Its formal verification services offer math-grade assurance for critical blockchain components, enhancing trust and robustness.
CertiK differentiates itself by integrating AI-driven analysis with rigorous formal methods, enabling deep security insights beyond traditional manual audits. It has audited projects with a combined market cap of nearly $500 billion and detected over 115,000 vulnerabilities. The company is recognized globally, contributing to regulatory frameworks in multiple jurisdictions and partnering with major players like OKX, Ledger, Samsung, and LINE Blockchain. Developers can get started by submitting code for audit, integrating Skynet for continuous monitoring, or leveraging its compliance and penetration testing services. Comprehensive documentation and community support are available to facilitate onboarding.
Web3 projects face complex security challenges including smart contract vulnerabilities, off-chain infrastructure risks, and regulatory compliance demands. These issues can lead to significant financial losses and undermine user trust.
Detects vulnerabilities in smart contracts across multiple languages with detailed reports and remediation guidance.
Explore web3 competitors and apps like Certik.

Audit Services | Skynet Monitoring | SkyInsights Compliance | |
|---|---|---|---|
| Price (Monthly) | Custom pricing | Custom pricing | Custom pricing |
| Price (Annual) | Custom pricing | Custom pricing | Custom pricing |
| Messaging | N/A | N/A | N/A |
| Support | Dedicated support during audit process | Support via platform and community channels |
Reliable RPC, powerful APIs, and zero hassle.
CertiK provides extensive resources including detailed documentation, a blog with industry insights, and a real-time security rating platform called Skynet. These resources help developers understand security best practices and stay updated on emerging threats and regulatory developments.
Continuously evaluates thousands of Web3 projects and ecosystems, providing live security ratings and alerts.
Provides transaction monitoring and compliance tools to help Virtual Asset Service Providers meet regulatory standards.
In-depth security assessments of off-chain infrastructure and Web3 applications to uncover hidden attack vectors.
Operates nodes on over 20 blockchain networks, securing network integrity and staking over $1.2 billion in assets.
DeFi projects and NFT platforms use CertiK to audit their smart contracts before launch to identify and fix vulnerabilities.
Crypto exchanges and wallets integrate Skynet to continuously monitor security posture and receive alerts on suspicious activity.
Virtual Asset Service Providers leverage SkyInsights to meet AML/CTF regulations with real-time transaction risk analytics.
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