Formal Verification & Fuzzing

QuillAudits combines Formal Verification, Fuzz Testing and expert manual review within a multi-layered methodology, delivering mathematically provable security guarantees that elevate traditional audits into exceptional, defense-grade assurance for smart contracts.

Understand exactly how we
secure your contracts.

Trusted by the Top Names in Web3
pluto
How Did QuillAudits Secure Pluto Fi’s Liquidations, Price Feeds & Reward Accuracy?
plutopluto
Fly trade
How Fly trade v2 Secured Reward Optimization While Safeguarding Liquidity Integrity
Fly tradeFly trade
brahma
Broken Access Control? No chance! See How QuillAudits Resolved 4 Critical Issues in Brahma Fi Console
brahmabrahma
memeswap
Memeswap's Vault & DoS Issues Resolved: How QuillAudits Made It Happen
memeswapmemeswap
taiko
Enhancing Blockchain Integrity: Taiko Protocol's Security Leap
taikotaiko
huddle
QuillAudits Patches 7 Bugs in Huddle01: Whitelisting & NFT Airdrop Risks Mitigated
huddlehuddle

From Manual Audits to Mathematically Guaranteed + Chaos-Driven Protection

What Sets QuillAudits Apart
What Sets QuillAudits Apart
QuillAudits combines Formal Verification and Fuzz Testing to bring mathematical certainty and massive randomized testing, catching the threats that others miss
Invariant Mathematical Proofs
Invariant Mathematical Proofs
Prove all invariant conditions hold across every possible state transition scenario
Automated Theorem Proving
Automated Theorem Proving
Translate Solidity code into formal mathematical models and use SMT solvers and theorem provers like Certora Prover & Halmos to prove properties automatically
Stateless & Stateful Fuzz Testing
Stateless & Stateful Fuzz Testing
Bombard functions with millions of randomized inputs and execute random sequences of function calls while checking invariants after every step
Counterexample Trace Generation
Counterexample Trace Generation
If any path violates an invariant, the tools produce concrete, reproducible traces showing the exact violation
Seamless Multi-Layer Integration
Seamless Multi-Layer Integration
Embedded in our structured six-phase methodology i.e., scoping, manual review, fuzz campaign, formal verification, Vigilant Squad, and consolidated reporting
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1500+

Projects Secured

$3B

On-chain TVL Secured

1M+

Lines of code Audited

WE FIND THREATS THAT OTHERS MISS

Our Multi-Layered Audit Framework integrates senior-led manual code reviews, independent Vigilant Squad validation, and extensive fuzzing with advanced tools such as Echidna, Medusa, Foundry, and Chimera. By executing thousands of edge-case scenarios, we identify complex vulnerabilities and ensure comprehensive, unbiased security coverage across attack surfaces.

With vs Without QuillAudits Formal Verification & Fuzz Testing

AspectWith Without
Security GuaranteeMathematical proofs + millions of randomized testsSecurity assurance based on expert analysis and best-practice review
CoverageEvery state, every input, every sequenceLimited by human cognition and time
Bug DiscoveryObscure violations + deep edge cases with tracesOnly known patterns and manual checks
Proof vs AssumptionProven correctness + exhaustive explorationAssumed security based on audit effort
IntegrationFully integrated in six-phase methodologyStandalone manual audit
Overall ImpactProvable security, reduced post-deployment risk, stronger confidenceSecurity confidence based primarily on manual review and testing depth

Elevate Your Security with Formal Verification, Fuzzing & Mathematical Proofs

Join 1500+ leaders who secured themselves from losing Billion Dollars

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We audit smart contracts on these blockchains and more

solidity
rust
move

Ecosystem & Dev Support
You'll receive our Ecosystem Support, which leverages the network of our esteemed partners, VCs, and clients to enhance your project's visibility and credibility.
Certification and Audit Report
Co-Marketing
Project & Accelerator Support

WHAT OUR CLIENTS SAY

FREQUENTLY ASKED QUESTIONS

Manual audits catch logic flaws and known patterns through human review. Formal verification and fuzz testing add the missing layers of mathematical proofs and massive randomized testing, verifying invariants across every possible execution path and sequence that humans cannot reliably check.

Check Out Our Work

We've audited top DApps and DeFi protocols, ensuring they remain secure and free from any exploit. Check out their audit reports to see our impact.

Read the Reports
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OTHER SERVICES

Explore our specialized services designed to cater to specific protocols, from intelligent agents to real-world assets and decentralized finance.

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WE SECURE EVERYTHING YOU BUILD.

From day-zero risk mapping to exchange-ready audits — QuillAudits helps projects grow with confidence. Smart contracts, dApps, infrastructure, compliance — secured end-to-end.

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DeFi SecurityplumeUniswap FoundationAethiropt-collectivePolygon SPNBNB Chain Kickstart

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