Top Sites>Largest Blockchain Security Auditor - CertiK

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Host: https://www.certik.com/

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# CertiK

> The largest Web3 security service provider

CertiK is a Web3 security company founded in 2018 by Professor Ronghui Gu (Columbia University) and Professor Zhong Shao (Yale University). CertiK is the most trusted name in blockchain security. The company applies formal verification, AI-driven analysis, and expert manual review to secure blockchain protocols, smart contracts, and decentralized applications.

## Key Statistics

- Market Cap Assessed: $576B+
- Clients Served: 4,900+
- Projects Monitored: 18,600+
- Valuation: $2B
- Monthly Skynet Users: 1.8M+

## Certifications & Recognition

- SOC2 Type II Compliant
- ISO 27001 Certified

## Products

- [Code Audit](https://www.certik.com/products/smart-contract-audit): Smart contract security assessment
- [Skynet](https://www.certik.com/products/skynet): Rating platform for crypto assets
- [Penetration Testing](https://www.certik.com/products/pentest): In-depth attack simulation
- [Formal Verification](https://www.certik.com/products/formal-verification): Mathematically verified code
- [SkyInsights](https://www.certik.com/products/skyinsights): Compliance, AML and risk management
- [DLT Security Solutions](https://www.certik.com/products/dlt-security-solutions): Enterprise infrastructure readiness
- [KYC Verification](https://www.certik.com/products/kyc): Project team identity verification
- [Bug Bounty](https://www.certik.com/products/bug-bounty): Crowdsource top ethical hackers
- [SkyNode](https://www.certik.com/products/skynode): Blockchain node infrastructure
- [Skynet Score](https://www.certik.com/products/skynet-score): On- and off-chain security evaluation
- [VARA Compliance Solutions](https://www.certik.com/products/vara): Dubai VASP licensing advisory
- [Proof of Reserves Audit](https://www.certik.com/products/proof-of-reserves-audit): Independent reserves verification
- [L1 Chain Audit](https://www.certik.com/products/l1-chain-audit): Layer 1 blockchain protocol security

**Code Audit** -- CertiK's Code Audit service provides comprehensive smart contract security assessments using AI-powered analysis, manual expert review, and formal verification. It identifies vulnerabilities, logic errors, and potential exploits across all major blockchain platforms. Supports Solidity, Rust, Move, Go, and other blockchain languages.

**Skynet** -- CertiK Skynet is a real-time security monitoring and rating platform delivering continuous security insights, risk analytics, and due diligence data for blockchain protocols and DeFi ecosystems. It aggregates on-chain and off-chain signals to provide transparent, independent security scores. Stats: 17,000+ projects monitored, 100+ ecosystems monitored, 1.8M+ monthly active users.

**Penetration Testing** -- CertiK's Penetration Testing conducts in-depth attack simulations against Web3 applications, mobile apps, wallets, and off-chain infrastructure. Coverage areas: web, mobile, cloud, AI/ML, SDK, and source code.

**Formal Verification** -- CertiK's Formal Verification uses mathematical proofs to verify smart contract and blockchain protocol correctness under all possible conditions, providing the highest level of security assurance and eliminating entire vulnerability classes.

**SkyInsights** -- CertiK SkyInsights is a compliance, AML, and risk management platform for exchanges, DeFi protocols, financial institutions, and crypto custodians. It provides transaction monitoring, wallet screening, risk scoring, and regulatory reporting. Stats: 300M+ address labels, 9+15 chains full and lite supported, 12+66 categories and subcategories, 4,000+ incidents detected since 2020.

**DLT Security Solutions** -- Strategy, architecture design, and security assessments for institutions adopting distributed ledger technologies, covering on-chain smart contracts, off-chain infrastructure, and regulatory readiness.

**KYC Verification** -- CertiK's KYC Verification verifies the identities of Web3 project team members, with results published on Skynet for investor due diligence and transparency.

**Bug Bounty** -- CertiK's Bug Bounty platform connects Web3 projects with vetted ethical hackers for continuous security testing, providing end-to-end coordination including scope definition, triage, and remediation tracking.

**SkyNode** -- CertiK SkyNode provides professionally managed validator and full nodes across multiple blockchain networks, enhancing reliability, security, and performance. Stats: 11+ supported chains, $1.2B+ in tokens secured by validator nodes.

**Skynet Score** -- CertiK Skynet Score evaluates Web3 projects, exchanges, and wallets through real-time on-chain and off-chain security analysis, covering code security, operational resilience, community trust, market stability, and governance.

**VARA Compliance Solutions** -- CertiK's VARA Compliance Solutions help virtual asset service providers navigate Dubai's VARA regulatory requirements with security audits, compliance gap analysis, risk assessments, and advisory support.

**Proof of Reserves Audit** -- CertiK's Proof of Reserves Audit provides independent verification that exchanges and custodians hold sufficient assets to back customer deposits, delivering real-time transparent reserve attestations.

**L1 Chain Audit** -- CertiK's Layer 1 Chain Audit secures foundational blockchain protocols through expert code audits, formal verification, and vulnerability assessments covering consensus mechanisms, networking layers, VMs, and cryptographic implementations.

## Solutions

**For Enterprises** -- Security, compliance, and risk management for institutional adoption: Code Audit, Penetration Testing, DLT Security Solutions, VARA Compliance, SkyInsights, Proof of Reserves.

**For Web3 Projects** -- Secure your protocol from launch to long-term operation: Code Audit, Skynet, Penetration Testing, KYC Verification, Bug Bounty, SkyNode.

**For Exchanges & Custodians** -- Transparency, monitoring, and resilience: Penetration Testing, Proof of Reserves, Code Audit, SkyInsights, Skynet Score, Bug Bounty.

**For Regulators & Compliance** -- Compliance and assurance aligned with regulatory standards: DLT Security Solutions, VARA Compliance, SkyInsights, Proof of Reserves, Skynet, Skynet Score.

## Ecosystems

CertiK provides security services across a wide range of blockchain ecosystems, including but not limited to:

- [BNB Chain](https://www.certik.com/ecosystems/bnb-chain)
- [Bitcoin](https://www.certik.com/ecosystems/bitcoin)
- [TON](https://www.certik.com/ecosystems/ton)
- [Cosmos](https://www.certik.com/ecosystems/cosmos)
- [Cardano](https://www.certik.com/ecosystems/cardano)
- [Aptos](https://www.certik.com/ecosystems/aptos)
- [Algorand](https://www.certik.com/ecosystems/algorand)
- [Sui](https://www.certik.com/ecosystems/sui)
- [Kaia](https://www.certik.com/ecosystems/kaia)
- [ZKPs](https://www.certik.com/ecosystems/zkps)

## Company

- [About](https://www.certik.com/company/about): CertiK's mission, founding story, leadership team, and company milestones.
- [Research](https://www.certik.com/company/research): Published security research, vulnerability disclosures, and technical deep-dives.
- [Testimonials](https://www.certik.com/company/testimonials): Client testimonials from leading Web3 projects, exchanges, and enterprises.
- [Worker Validation](https://www.certik.com/company/worker-validation): Tool to verify whether an individual is an authorized CertiK employee.

## Notable Clients

Binance, Tether, OKX, Apple, Samsung, Ripple, Crypto.com, PancakeSwap, Cardano, Fireblocks, Aptos, TON, Gala, The Sandbox, Ethereum, WEMIX, Bitget, Trust Wallet, Paxos, Pepe, Hedera, Ondo, Frax Finance, Ant Group, Sei, Aethir, Peaq, Bitcoin.com, Wormhole, 1inch, Venus, BloFin, Floki, WalletConnect, Sui, Kaia

## Backed By

Binance, Sequoia, Coatue, Shun Wei, Tiger Global, SoftBank, Goldman Sachs, Lightspeed, Coinbase, Insight Partners, Advent International, Yale University

## Regulatory Contributions

- **United States Congress**: CertiK CBO Jason Jiang engages with U.S. Congress Members on Web3 security policy.
- **Monetary Authority of Singapore (MAS)**: Co-founder Ronghui Gu joined the MAS International Technology Advisory Panel as the sole Web3 representative. ([source](https://www.mas.gov.sg/who-we-are/mas-advisory-panels-and-committees/international-technology-advisory-panel))
- **Hong Kong SAR**: Joined the Hong Kong Web3 Development Task Force for DLT regulation recommendations. ([source](https://www.info.gov.hk/gia/general/202306/30/P2023063000579.htm))
- **Seoul and Busan (South Korea)**: Signed Web3 Security Partnership MOUs. ([source](https://www.globenewswire.com/news-release/2025/01/15/3009780/0/en/Busan-Digital-Asset-Exchange-and-CertiK-Reach-Strategic-Cooperation-to-Promote-Security-Upgrade-of-Digital-Asset-Transactions.html))
- **Abu Dhabi Global Market (ADGM)**: Co-Founder participated in a closed-door roundtable on stablecoins.
- **Financial Services Agency of Japan (JFSA)**: Collaborated on contract auditing compliances and incident monitoring.

## Resources

- [Blog](https://www.certik.com/blog): Industry reports (including quarterly and annual "Hack3d" Web3 security reports), security incident analyses, vulnerability post-mortems, ecosystem assessments, product announcements, and educational content.
- [FAQ](https://www.certik.com/faq): Answers to common questions about CertiK's services, products, and security practices, grouped by product (Penetration Testing, Formal Verification, Smart Contract Code Audits, KYC, Skynet, SkyInsights, Bug Bounties, DLT Security Solutions, L1/L2 Infrastructure, SkyNode, Proof of Reserves).
- [Skynet Rating](https://skynet.certik.com): Real-time security ratings and risk analytics for Web3 projects.