CertiK combines formal verification, security audits, and monitoring tools to assess smart contracts and blockchain protocols.
Quantstamp
Quantstamp audits smart contracts, layer-one networks, and web infrastructure, and reports blockchain security work dating back to 2017.
About Quantstamp
Quantstamp is a blockchain security firm that audits smart contracts, layer-one networks and web infrastructure. It reports blockchain security work dating back to 2017, with more than 1,300 audits across 60+ ecosystems. Beyond one-off audits, it offers managed security services for continuous monitoring after deployment and an insurance product called Chainproof, which the site says covers customers against smart contract hacks and slashing risks. Engagements start with a request rather than a self-service signup, and pricing is not published on the homepage.
Key features
- Smart contract, L1 and web infrastructure security audits
- Managed security services for continuous post-deployment monitoring
- Chainproof insurance against smart contract hacks and slashing risks
- Audit experience across L1s, L2s, DeFi, NFT marketplaces and exchanges
- Team expertise in formal verification, static analysis and penetration testing
- Incident response contact for projects that have been hacked
Best for: Web3 projects, protocols and blockchain networks that need an external audit or ongoing post-deployment security coverage.
Good for
- The site reports audits dating to 2017, 60+ ecosystems and $500B+ in digital assets secured
- Team members come from organizations including the Ethereum Foundation, Google, Meta, Microsoft and MathWorks
- States it has secured two Ethereum 2.0 clients, Prysm and Teku, and received Ethereum Foundation grants for L2 security and scaling
Watch out for
- Pricing is not published on the homepage
- Work begins with an audit request rather than a self-service signup
Quantstamp at a glance
- Website
- quantstamp.com
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Quantstamp alternatives
Tools and sites you could use instead, ranked by how closely they match.
Sherlock offers Web3 security audits, contests, AI analysis, and bug bounties for smart contract projects.
BlockSec combines crypto compliance and security tools for screening illicit fund flows, auditing contracts, and monitoring DeFi protocols.
Hacken provides blockchain security and compliance services, including audits, penetration testing, threat monitoring, and proof-of-reserves work.
Blockaid provides real-time Web3 security tools for preventing scams, fraud, exploits, and compliance risks across on-chain finance.
Web3 Antivirus offers browser and wallet security tools, a security API, wallet risk analysis, and monitoring for phishing and poisoning attacks.
Popular in Portfolio & Security Tools
Well-known listings from the same topic.
DeFiSafetydefisafety.comChainalysischainalysis.comNexus Mutualnexusmutual.ioThree Sigmathreesigma.xyzfomofomo.familySigma Primesigmaprime.io
Quantstamp FAQ
What does Quantstamp audit?
The site lists smart contracts, layer-one networks and web infrastructure, and says the team has also audited Layer 2s, DeFi protocols, NFT marketplaces, exchanges and clients.
What is Chainproof?
Chainproof is Quantstamp's insurance product, which the site describes as securing customers against smart contract hacks and slashing risks.
How much experience does Quantstamp report?
The company states it has conducted 1,300+ audits across 60+ ecosystems and secured $500B+ in digital assets since 2017.
Is something wrong or out of date?
Tell us and an editor will check it.
Own this website?
Claim this listing
Claim the listing and suggest updates yourself. An editor checks every claim first.