Blockchain Penetration Testing Find Exploits Before Attackers Do
Automated scanners catch known patterns. Penetration testing proves whether your smart contracts, DeFi protocols, and blockchain infrastructure can withstand real-world exploit techniques -- from reentrancy attacks to flash loan manipulation to cross-chain bridge exploitation.
What We Test
We cover both smart contract code and the full infrastructure stack supporting your blockchain deployment.
Smart Contract Exploits
- Reentrancy (single, cross-function, cross-contract, read-only)
- Flash loan attack simulation and oracle manipulation
- Access control bypass and privilege escalation
- Integer overflow, precision exploits, and front-running/MEV
Infrastructure and DeFi
- Node RPC endpoint enumeration and validator security
- Cross-chain bridge relay validation and token minting
- Key management, multi-sig quorum, and HSM integration
- Web3 frontend transaction manipulation and wallet hijacking
DeFi Protocol Testing
We actively exploit protocol economics under adversarial conditions.
Lending Protocols
Collateral valuation manipulation, liquidation threshold exploitation, and flash-loaned collateral borrowing attacks.
DEX and AMM
Impermanent loss exploitation, slippage manipulation, and concentrated liquidity position attacks.
Yield Aggregators
Share calculation manipulation, deposit/withdrawal timing attacks, and reward distribution exploits.
Governance Attacks
Hostile proposal simulation, flash-loaned governance token voting, and timelock bypass testing.
Scanners vs. Pen Testing
Known Patterns Only
Static analysis tools detect known vulnerability signatures but miss 80%+ of DeFi exploits caused by logic flaws.
Isolated Analysis
Contracts analyzed in isolation. Cross-contract interactions and economic attack vectors are invisible.
No Infrastructure Coverage
Exposed RPC endpoints, weak key management, and vulnerable frontends are never tested.
Complete Attack Chains
Human testers chain vulnerabilities across contracts, infrastructure, and frontends into real exploit scenarios.
Economic Exploit Proof
Flash loan attacks executed on forked mainnet to prove real-world financial impact.
Full Stack Coverage
Contracts, nodes, bridges, key management, and Web3 frontends all tested as one attack surface.
Our Methodology
Scoping and Threat Modeling
Reconnaissance and Enumeration
Exploitation on Forked Mainnet
Reporting with PoC Code
Remediation Support
Verification Re-Test
Built For Blockchain Organizations
Frequently Asked Questions
Can you pen test a live production blockchain application?
Yes. We use forked mainnet environments that replicate your production state without risking real funds. This allows us to execute actual exploits including flash loan attacks against a perfect copy of your protocol.
How is blockchain pen testing different from traditional pen testing?
Blockchain pen testing covers all traditional areas (network, application, social engineering) plus blockchain-specific vectors: smart contract exploitation, economic attacks, consensus mechanism testing, cross-chain bridge exploitation, and key management assessment.
What deliverables do we receive?
A comprehensive report with executive summary, severity-ranked findings, proof-of-concept exploit code, reproduction steps, root cause analysis, and remediation recommendations. We also provide a retest to verify fixes.
Do you support testnet and mainnet fork testing?
Both. We work on testnets for pre-deployment testing and recommend mainnet forks for production protocols because they capture actual liquidity, oracle prices, and user positions for the most realistic results.
How often should we conduct blockchain penetration testing?
At minimum, before every major deployment or upgrade. For active DeFi protocols, we recommend quarterly testing. Compliance frameworks like SOC 2 and PCI DSS also require annual penetration testing.
Test Your Blockchain Security Before Attackers Do
Every major blockchain exploit could have been prevented by thorough penetration testing. Get a comprehensive pen test from professionals with 23+ years of cybersecurity experience.