Quantstamp

Quantstamp provides full-stack Web3 security solutions, including smart contract audits, penetration testing, infrastructure audits, economic exploit analysis, and smart contract insurance. Since 2017, the company has secured over $500 billion in digital assets across 60+ ecosystems, conducting over 1,300 audits for 250+ clients in 15+ countries. Quantstamp's team brings expertise from the Ethereum Foundation, Google, Meta, and Microsoft, with deep capabilities in formal verification, static analysis, and blockchain security. The company offers Chainproof, the world's first regulated smart contract insurance product, and provides managed security services for continuous post-deployment monitoring. Quantstamp has secured two Ethereum 2.0 clients (Prysm and Teku) and received multiple grants from the Ethereum Foundation for L2 security and scaling. Founded in 2017 and headquartered in San Francisco, California, Quantstamp has raised approximately $1.4 million in Seed funding from investors including Nomura, DG Ventures, Y Combinator, and Metaplanet.