Quantstamp vs Zscaler
Side-by-side comparison of AI visibility scores, market position, and capabilities
Quantstamp is the leading smart contract security firm, having audited $200B+ in digital assets across Ethereum, Solana, and other chains; clients include Ethereum Foundation, OpenSea, and MakerDAO; Y Combinator-backed with $28M raised.
About
Quantstamp is the world's leading blockchain security firm specializing in smart contract auditing and decentralized application security. Founded in 2017 in San Francisco and backed by Y Combinator, Quantstamp emerged during the early boom in Ethereum-based smart contracts and decentralized finance (DeFi), when the industry recognized that code vulnerabilities in self-executing contracts could lead to catastrophic, irreversible loss of funds. The company raised $28 million in funding, including its YC batch, and has since become the most trusted name in crypto security by auditing $200 billion+ in digital assets secured by smart contracts.
San Jose zero trust security (NASDAQ: ZS) surpassing $3B ARR FY2025; 500B+ daily transactions across 160+ data centers for 8,650+ enterprises and 35% Forbes Global 2000 competing with Palo Alto Prisma for enterprise zero trust.
About
Zscaler is a San Jose, California-based cloud security company — publicly traded on NASDAQ (NASDAQ: ZS) at approximately $30 billion market capitalization — operating the world's largest security cloud, the Zscaler Zero Trust Exchange, that processes 500+ billion daily transactions across 160+ data centers globally. In fiscal year 2025 (ended July 31, 2025), Zscaler surpassed $3 billion in annual recurring revenue (ARR) with Q4 FY2025 revenue of $719.2 million (21% year-over-year growth), serving 8,650+ enterprise customers including 35% of the Forbes Global 2000. The platform's flagship products — Zscaler Internet Access (ZIA, secure web gateway), Zscaler Private Access (ZPA, zero trust network access), and Zscaler Digital Experience (ZDX, application performance monitoring) — have eliminated traditional VPN and network perimeter architectures for thousands of enterprises. Founded in 2007 by CEO Jay Chaudhry (serial security entrepreneur who built and sold four prior security companies); IPO March 2018.
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