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Web3 Application Security

dApp Audits

Decentralized application security testing focusing on Web3 integrations, wallet connections, and transaction flows. Comprehensive frontend vulnerability assessment including XSS, injection attacks, and blockchain interaction security. Protect your DeFi dApp from common attack vectors and ensure user safety.

Request dApp AuditSchedule Consultation
150+
dApps Audited
500+
Web3 Vulnerabilities Found
$2B+
dApp Assets Protected

dApp Security Coverage

Complete security assessment of decentralized applications and Web3 integrations

Wallet Connections

MetaMask, WalletConnect, and other wallet integration security testing and transaction validation

Web3 Integrations

Smart contract interactions, Web3.js/Ethers.js implementations, and blockchain connectivity

Frontend Security

XSS prevention, CSRF protection, client-side validation, and secure data handling

Transaction Flows

Transaction signing, approval processes, gas estimation, and transaction replay protection

API Security

Off-chain data sources, oracle integrations, and external API vulnerability assessment

Authentication

Web3 authentication, signature verification, and session management security

Web3-Specific Attack Vectors

Unique security challenges in decentralized applications

Wallet & Transaction Security

Transaction replacement attacks
Signature replay attacks
Wallet connection hijacking
Malicious transaction injection
Gas price manipulation
Approval frontrunning

Web3 Integration Flaws

Smart contract interaction bypass
Web3 provider manipulation
RPC endpoint exploitation
Contract ABI manipulation
Event log spoofing
Network switch attacks

Frontend Vulnerabilities

Cross-site scripting (XSS)
Cross-site request forgery
Client-side validation bypass
Insecure direct object references
DOM-based vulnerabilities
Input validation flaws

DeFi-Specific Attacks

Slippage manipulation
MEV exploitation
Flash loan attacks
Sandwich attacks
Liquidity drain attacks
Price oracle manipulation

dApp Testing Methodology

Specialized testing approach for decentralized applications

01

Architecture Analysis

Review dApp architecture, smart contract integrations, and data flow

02

Web3 Integration Testing

Test wallet connections, transaction flows, and blockchain interactions

03

Frontend Security Testing

Traditional web security testing adapted for Web3 applications

04

User Journey Testing

End-to-end testing of user interactions and transaction scenarios

dApp Categories We Audit

Specialized expertise across different types of decentralized applications

DeFi Applications

DEXs, lending platforms, yield farming, and liquidity mining dApps

AMM interfaces
Staking mechanisms
Yield strategies
Governance voting

NFT Marketplaces

NFT trading platforms, minting dApps, and digital collectible applications

Minting interfaces
Trading mechanisms
Royalty systems
Metadata handling

GameFi & Metaverse

Blockchain games, virtual worlds, and play-to-earn applications

In-game assets
Player rewards
Virtual economies
Avatar systems

Secure Your dApp

Protect your users and assets with comprehensive dApp security testing

Get dApp Audit QuoteContact Web3 Experts