Largest Blockchain Security Auditor

Elevate Your Web3 Journey

CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale.

Market Cap Assessed

Clients Served

Projects Monitored

Trusted by industry leaders worldwide

Solutions for All Stages of Growth Adopt a Unified Approach to Managing Your Web3 Security Lifecycle.

For Startups, Global Enterprises

Security Spotlights

CertiK received recognition from over 25 leading global companies for its significant contributions to security.

CertiK was recognized again in Apple's iOS 17 Security Update of three critical security vulnerabilities in Apple's iOS kernel.

CertiK has successful completed a comprehensive security audit for XLS-30d, an innovative AMM built on the XRP Ledger (XRPL).

CertiK and OKX partner to enhance security across OKX's ecosystem, boosting trust and setting new security standards.

CertiK has completed a security audit of LINE Blockchain and will join the network as a governance member and node validator.

CertiK has successfully completed the formal verification of HyperEnclave’s core components, the paper accepted by ASPLOS'24.

Samsung has acknowledged CertiK's contributions to significantly enhancing the security of its mobile blockchain solutions.

Delphinus Lab and CertiK partnered to enhance zkWasm security. CertiK completed the first formal proof of a zero-knowledge proof VM circuit.

CertiK's audits significantly enhanced TON's security, including the formal verification of its consensus module, ensuring functionality and robustness.

CertiK’s comprehensive audit of the SEI Protocol identified and resolved critical issues, safeguarding the network before its mainnet launch.

CertiK earned Sui's top bug bounty of $600k for uncovering a critical vulnerability that had the potential to shut down the network.

Regulatory Contributions

Web3 Policy Advocate

CertiK has established key regulatory relationships in Japan, Hong Kong, Abu Dhabi, and South Korea, contributing to policies on stablecoins, Web3, and the metaverse.

Monetary Authority of Singapore

Hong Kong SAR

Financial Services Agency of Japan

Abu Dhabi Global Market

Seoul and Busan governments

In The News

May 21, 2025

Crypto industry trying to shake off security concerns

May 20, 2025

How Trump's crypto business partners left their old clients in the lurch

May 20, 2025

CNBC Exclusive Interview with CertiK Co-founder Gu Ronghui: From Formal Verification to AI Empowerment, Continuously Expanding the Trust Boundary of Web3

May 18, 2025

Crypto High-Rollers Go Big on Bodyguards to Deter Kidnappers

May 01, 2025

Crypto losses spike 1,100% in April with 5th-largest-ever hack: CertiK

Apr 03, 2025

Volatile Markets Drive Crypto Industry To Innovative Further

Apr 03, 2025

Crypto Investors Lost $1.67B to Hacks and Exploits in Q1: CertiK

Feb 27, 2025

Is The Bybit Crypto Hack The Future? DePIN Looks To Make Web3 Much Safer

Feb 24, 2025

From LIBRA to AI Bots: How Crypto Scammers 'Keep Killing' Automated Traders

Feb 21, 2025

Bybit Hacked For More Than $1.4 Billion in Biggest Crypto Heist of All Time

Feb 21, 2025

'The largest crypto theft of all time': Historic $1.4 billion Bybit hack shocks world of digital assets

Jan 05, 2025

Web3 Hacks Surge in 2024—What Went Wrong? Exclusive Q&A with CertiK's Prof. Ronghui Gu

Backed by Leading Investors

Qualifications & Awards

SOC 2® Type II Compliance

ISO 27001 Certification

CB Insights Top 50 Blockchain Companies

World Economic Forum Global Innovator

CertiK Product Suites

Building a Safer, Smarter Future for Web3

Elevate your Web3 journey with an all-in-one security and compliance suite—covering smart contract audits, on-chain monitoring, AML, incident response, and more. From launch to scale, we help you build with confidence, integrity, and real-time insights.

Code Security Audits

Secure Your Code, Empower Your Project

A industry-leading comprehensive security assessment of your smart contract and blockchain code to identify vulnerabilities and recommend ways to fix them.

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We safeguard decentralized systems in multiple languages.

115,000+ Vulnerabilities Detected

$469B Market Cap Assessed

Penetration Testing

Strengthening Off-Chain and Application Layers

Penetration testing delivers an in-depth security assessment across off-chain components and Web3 applications, uncovering vulnerabilities and strengthening your project against evolving threats. Leveraging deep Web2 and Web3 expertise, we enhance your project’s defenses across all layers.

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500+ Application Secured

10M+ User Protected

Crypto Exchange · wallet

Wallet & Custody

Dapp ·

Infrastructure

Skynet Rating

Professional Real-time Web3 Evaluation System

CertiK Skynet Score is a real-time evaluation system that provides an independent and objective assessment of the status and performance of Web3 projects, exchanges, and wallets. We deliver comprehensive analysis for 17,000+ projects for the community.

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SkyInsights

Crypto Compliance, AML & Risk Management

SkyInsights provides real-time transaction monitoring, AML/CTF compliance solutions, and risk analytics to ensure VASPs meet their regulatory requirements.

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SkyNode

Powering Blockchain Integrity

CertiK supports more than 20 blockchain networks as node validator. More than $1.2B crypto assets are staked with CertiK on blockchains such as BNB, Aptos, babylon, Kaia, KEEP, qubic, marlin and WEMIX.

Visit SkyNode

20+ Supported Blockchain Supported Chain

99%+ SLA

$1.2B+ Staked Token Value Staked Value

Building The Future Together

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Elevate Your Web3 Journey

Largest Blockchain Security Auditor

CertiK is the largest blockchain security auditor and provides a comprehensive suite of tools to secure the industry at scale.

$469B Market Cap Assessed

4,778 Clients Served

17,348 Projects Monitored

Trusted by industry leaders worldwide

Solutions for All Stages of Growth Adopt a Unified Approach to Managing Your Web3 Security Lifecycle.

Exchange & Wallet