The Trusted Ecosystem Marketplace

The trusted ecosystem marketplace where Web3 projects discover and connect with verified partners

2,500+ Partners
10,000+ Reviews

Platform

  • How We Rank
  • Browse Categories
  • Pricing & Plans

Community

  • Leave a Review
  • Recommend a Partner

Company

  • Contact

Legal

  • Terms of Service
  • Privacy Policy
  • Cookie Policy
  • Review Guidelines
  • Community Guidelines
  • DMCA Policy
© 2026 Web3Connect. All rights reserved.
Quantstamp logo

Quantstamp

Verified
Visit WebsiteLeave a Review
OverviewOfferingsReview

Overview

Quantstamp is a global leader in blockchain security, founded in 2017 with a mission to secure the future of Web3. The company has established itself as one of the most trusted names in smart contract auditing and blockchain security, having secured over $200 billion in digital assets and conducted more than 1,100 audits across 60+ blockchain ecosystems.

Core Services

Quantstamp offers comprehensive security solutions for the Web3 industry:

Smart Contract Audits

Expert security assessments for smart contracts across multiple blockchain platforms including Ethereum, Solana, Polygon, TON, Avalanche, Arbitrum, Cardano, Binance Smart Chain, Flow, Mantle, and Chromia. The team supports over 20 programming languages and delivers thorough manual reviews combined with automated analysis.

Infrastructure Penetration Testing

Comprehensive security reviews for Web3 infrastructure including API security testing, browser extensions, cloud infrastructure, mobile applications, and web applications. This service addresses the critical intersection of Web2 and Web3 architecture to protect against configuration errors and external attacks.

Economic Exploit Analysis

Specialized analysis and mitigation of flash loan attacks and other economic vulnerabilities in DeFi protocols. Quantstamp developed automated tooling to detect these complex attack vectors that often evade conventional audits.

Key Strengths

Quantstamp's team includes security experts from the Ethereum Foundation, Google, Meta, MathWorks, Microsoft, and other leading technology companies. The team has deep expertise in formal verification, static analysis, blockchain audits, penetration testing, and cutting-edge security research.

Notable Clients

The company has worked with some of the most recognized names in Web3 including:

  • Blockchains: Ethereum 2.0, Solana, Polygon, TON, Avalanche, Arbitrum, Cardano, Stacks, Mantle, Chromia
  • DeFi: MakerDAO, Compound, Curve, Lido, Venus, Stargate Finance, Hashflow, Pendle, Ethena
  • Infrastructure: Alchemy, Blockdaemon, Kiln, Luganodes, ssv.network
  • Institutional: Visa, Toyota Financial Services, Siemens, Mitsubishi, eToro, Revolut
  • Gaming/NFT: OpenSea, The Sandbox, Decentraland, Axie Infinity, Art Blocks, Square Enix

Why Choose Quantstamp

With nearly a decade of experience securing blockchain projects, Quantstamp offers unparalleled expertise combined with a complete security stack. The company's commitment to Web3's future is demonstrated through ongoing research, developer education, and contributions to ecosystem security standards. Their audit readiness guides and public audit reports showcase transparency and dedication to advancing the entire industry's security posture.

Offerings

Professional Services

Smart Contract Security Audits

Quantstamp's Smart Contract Security Audits provide expert Web3 security assessments for...

#12 in Smart Contract Auditing

Infrastructure Penetration Testing

Quantstamp's Infrastructure Penetration Testing service provides comprehensive security...

#7 in Threat Intelligence

Economic Exploit Analysis

Quantstamp's Economic Exploit Analysis service provides specialized detection and...

#3 in Economic SimulationThreat Intelligence

Have you worked with Quantstamp?

Share your experience working with Quantstamp by leaving a review.

Leave a Review

Location(s)

Headquarters

San Francisco, California, United States

Verified Partner

This partner has been verified by Web3Connect on 23 Jan 2026

Compare similar partners:

Economic SimulationSmart Contract AuditingThreat Intelligence

About

Company Information

Founded

2017

Team Size

50-75 employees

Website & Social

quantstamp.comLinkedInX (Twitter)

Similar Partners

View partner details
ShellBoxes

ShellBoxes

7 offerings

ShellBoxes is a leading Web3 cybersecurity and blockchain development company...

Smart Contract AuditingThreat Intelligence+1
View partner details
CoinFabrik

CoinFabrik

17 offerings

CoinFabrik is a pioneering blockchain security and development company founded in 2014,...

Smart Contract AuditingThreat Intelligence+1
View partner details
Zokyo

Zokyo

15 offerings

Zokyo is a leading web3 security firm founded in 2018, on a relentless mission to make...

Smart Contract AuditingThreat Intelligence+1
View partner details
Cyberscope

Cyberscope

9 offerings

Cyberscope is a leading blockchain security company founded in 2023, providing end-to-end...

Smart Contract AuditingThreat Intelligence+1
View partner details
Kudelski Security

Kudelski Security

4 offerings

Kudelski Security is the cybersecurity division of the Kudelski Group, a Swiss company...

Smart Contract AuditingThreat Intelligence+1
View partner details
CertiK

CertiK

5 offerings

CertiK is the largest Web3 security service provider, founded in December 2017 by...

Smart Contract AuditingThreat Intelligence+1