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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

StarkNet Cairo DeFi Smart Contract Audit

Specialized security reviews for DeFi smart contracts written in Cairo, focusing on the correctness of ZK-proof logic and state transition integrity.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built to your exact specifications.

We architect and deploy custom smart contracts that form the immutable backbone of your Web3 application. Our development process is built for security and speed, delivering a fully audited MVP in as little as 2-4 weeks.

  • Full-Stack Expertise: Solidity/Rust/Vyper development for EVM, Solana, and other L1/L2 chains.
  • Security-First: Contracts are built with OpenZeppelin standards and undergo rigorous internal review before formal audit.
  • Gas Optimization: Every line of code is analyzed for efficiency, reducing user transaction costs by up to 40%.
  • Real-World Ready: Integration of oracles, multi-sig wallets, and upgradeability patterns like Transparent or UUPS proxies.

We don't just write code; we deliver the secure, economic engine for your decentralized product.

key-features-cards
COMPREHENSIVE SECURITY REVIEW

What Our Cairo DeFi Audit Covers

Our audit methodology is tailored for the unique complexities of Cairo and StarkNet, delivering actionable security insights to protect your protocol and users.

01

Cairo-Specific Vulnerability Detection

We analyze your Cairo 1.0+ code for StarkNet-specific risks like storage variable collisions, unsafe low-level calls, and Cairo VM execution edge cases that generic audits miss.

50+
Cairo-Specific Checks
100%
Code Coverage
02

DeFi Business Logic Review

Deep analysis of financial mechanisms: AMM math, oracle integrations, fee structures, and liquidation logic to ensure economic soundness and prevent exploits.

Zero
Critical Flaws Shipped
< 72 hrs
Critical Issue TAT
03

Gas & Performance Optimization

Identify inefficient storage patterns and compute-heavy operations to reduce L2 transaction costs and improve your protocol's competitiveness.

Up to 40%
Gas Savings
Proven
Pattern Library
05

Upgradeability & Admin Controls

Security assessment of proxy patterns, timelocks, and multi-sig configurations to prevent governance takeovers and ensure safe, transparent upgrades.

OWASP
Compliant
Zero Trust
Architecture
06

Comprehensive Reporting & Remediation

Receive a prioritized list of vulnerabilities with exploit scenarios, severity scores, and line-by-line fixes. Includes a re-audit to confirm all issues are resolved.

48 hrs
Report Delivery
Guaranteed
Re-Audit Pass
benefits
EXPERTISE MATTERS

Why Choose a Specialized Cairo Audit

StarkNet's Cairo language introduces unique security paradigms. Generic smart contract audits miss critical Cairo-specific vulnerabilities. Our audits are built on deep protocol expertise, not just generic Solidity knowledge.

01

Cairo-Specific Vulnerability Detection

We target Cairo 1.0/2.0-specific risks like storage pointer manipulation, unsafe hints, and non-deterministic execution paths that generic auditors overlook.

40+
Cairo-Specific Issues
100%
Code Coverage
02

StarkNet Protocol Expertise

Our team audits against the entire StarkNet stack—from sequencer logic and L1-L2 messaging to fee mechanisms and storage proofs—ensuring systemic security.

50+
Protocols Audited
3+ Years
StarkEx/StarkNet
03

Formal Verification Integration

We complement manual review with Cairo-specific formal verification tools to mathematically prove the correctness of core contract invariants and business logic.

Proven
Critical Logic
Zero
False Positives
04

Gas & Performance Optimization

We identify and remediate Cairo bytecode inefficiencies, reducing L2 transaction fees and improving contract throughput for your end-users.

Up to 60%
Gas Reduction
< 1 sec
Avg. Tx Finality
05

Comprehensive Reporting & Remediation

Receive a prioritized report with exploit scenarios, CVSS scores, and direct remediation guidance. We support you through the fix-and-verify cycle.

< 72 hrs
Report Delivery
24/7
Remediation Support
06

Auditor Credibility for Fundraising

A Chainscore audit report is a trusted credential for due diligence with VCs, security researchers, and protocol users, de-risking your launch.

$500M+
TVL Secured
Tier-1 VCs
Trusted By
Choose Your Security Level

StarkNet DeFi Audit Packages

Compare our structured audit packages designed for StarkNet DeFi protocols, from pre-launch validation to enterprise-grade security operations.

Audit FeatureStarterProfessionalEnterprise

Comprehensive Smart Contract Audit

Automated Vulnerability Scanning

Manual Code Review (Cairo 1.0)

Up to 500 LOC

Up to 2000 LOC

Unlimited

Economic & Logic Flaw Analysis

Basic

Advanced

Advanced + Simulations

Gas Optimization Review

Formal Verification Report

Deployment & Post-Launch Support

24/7 Monitoring & Alerting

Incident Response Time SLA

24 Business Hours

4 Hours

Public Audit Report & Badge

Remediation Verification

1 Round

3 Rounds

Unlimited

Typical Delivery Timeline

7-10 Days

3-4 Weeks

Custom

Starting Price

$8,000

$25,000

Custom Quote

security-methodology
CORE SERVICE

Smart Contract Development

Secure, gas-optimized smart contracts built to your exact specifications.

We architect and deploy production-ready smart contracts that power your dApp's core logic. Our development process ensures security-first design, gas efficiency, and full audit readiness from day one.

Deploy with confidence, knowing your business logic is encoded in bulletproof code.

  • Custom Development: Tailored Solidity/Rust contracts for DeFi, NFTs, DAOs, and enterprise use cases.
  • Security & Audits: Built with OpenZeppelin standards and prepared for third-party audits by firms like CertiK or Quantstamp.
  • Gas Optimization: We reduce transaction costs by 20-40% through efficient coding patterns and storage strategies.
  • Full Lifecycle Support: From ideation and testing to mainnet deployment and upgrade management via proxies.
StarkNet Cairo Audit Services

Frequently Asked Questions

Get clear answers about our specialized audit process for StarkNet DeFi protocols built with Cairo.

Our audit follows a rigorous, multi-stage process tailored for StarkNet's unique architecture. We conduct manual code review by senior Cairo developers, automated vulnerability scanning with custom tools adapted for Cairo 1.0, and formal verification for critical financial logic. Every audit includes a comprehensive report detailing findings, risk severity, and actionable remediation steps.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team
StarkNet Cairo DeFi Audit | Chainscore Labs | ChainScore Guides