We architect and deploy production-grade Solidity and Rust smart contracts for DeFi, NFTs, and enterprise applications. Our development process integrates OpenZeppelin standards and formal verification from day one to ensure security and compliance.
Cairo Contract Fuzz Analysis
Custom Smart Contract Development
Secure, audited smart contracts tailored to your specific business logic and use case.
- From Specification to Mainnet: We handle the full lifecycle, from initial design and
Foundry/Hardhattesting to deployment and on-chain monitoring. - Proven Security: Every contract undergoes rigorous audits by internal and third-party experts, with a track record of zero critical vulnerabilities in production.
- Gas Optimization: We specialize in writing highly efficient code, reducing transaction costs by up to 40% for high-frequency operations.
Deploy a secure, audited MVP in as little as 2-3 weeks, with full ownership of the source code and comprehensive documentation.
Our Cairo-Specific Fuzzing Capabilities
We go beyond generic smart contract testing with specialized fuzzing engines designed for the unique architecture of Cairo and Starknet. Our approach identifies critical vulnerabilities that standard tools miss, ensuring your protocol's security and reliability from day one.
Custom Property & Invariant Definition
We work with your team to define and test critical business logic properties (e.g., "total supply is constant", "user balance never negative"). Our fuzzers automatically generate millions of transactions to prove or disprove these invariants.
L1 <> L2 Bridging Logic Fuzzing
Specialized test suites for messaging contracts and bridge components. We fuzz deposit/withdrawal flows, message cancellation, and reorg resistance to ensure asset security between Ethereum and Starknet.
Gas & Computational Complexity Analysis
Beyond security, our fuzzing identifies gas-guzzling code paths and computationally intensive functions under heavy load. We provide actionable optimization reports to reduce user costs and prevent out-of-gas reverts.
Why Professional Fuzzing is a Strategic Investment
Automated fuzzing is a start, but professional-grade analysis delivers the security depth and business continuity required for production DeFi and Web3 applications. Here's how our Cairo contract fuzzing service provides a measurable return on investment.
Prevent Critical Vulnerabilities Pre-Launch
Our systematic fuzzing uncovers edge-case bugs, arithmetic overflows, and state inconsistencies that unit tests miss, preventing exploits that could lead to catastrophic fund loss. We target the specific attack vectors relevant to your protocol's logic.
Reduce Security Audit Costs & Time
Delivering a professionally fuzzed codebase to your audit firm significantly reduces their manual review time. This translates to lower audit fees and a faster path to a clean security report, accelerating your go-to-market timeline.
Enhance Protocol Resilience & Uptime
By stress-testing contracts under millions of randomized inputs and simulated network conditions, we ensure your protocol remains stable and functional during volatile market events, protecting your platform's reputation and user trust.
Future-Proof with Continuous Security
Our fuzzing harnesses and test suites become part of your codebase. Integrate them into your CI/CD pipeline to automatically catch regressions with every code update, maintaining a high security standard throughout your product's lifecycle.
Deliverables and Engagement Timeline
Choose the right level of security analysis for your Starknet project, from a single audit to a comprehensive security partnership.
| Deliverable | Starter Audit | Professional Suite | Enterprise Security |
|---|---|---|---|
Automated Fuzz Testing | |||
Manual Code Review | |||
Comprehensive Audit Report | |||
Remediation Support | 1 round | Unlimited rounds | Unlimited + priority |
Time to Report | 10 business days | 7 business days | 5 business days |
Post-Audit Consultation | 1 hour | 4 hours | |
Priority Support SLA | Business hours | 24/7 with 4h response | |
Integration with CI/CD | |||
Custom Fuzzing Harness Creation | |||
Engagement Model | One-time project | Retainer (3 months) | Annual Security Partner |
Typical Investment | $8K - $15K | $25K - $60K | Custom Quote |
Our Methodology for Maximum Coverage
Our systematic Cairo contract fuzzing approach combines automated discovery with expert analysis to identify critical vulnerabilities others miss, ensuring your Starknet applications are secure before mainnet deployment.
Build vs. Buy: In-House vs. Chainscore Fuzzing
A detailed comparison of the time, cost, and risk involved in developing a Cairo fuzzing framework internally versus leveraging Chainscore's production-ready service.
| Factor | Build In-House | Chainscore Fuzzing |
|---|---|---|
Time to Production | 6-9 months | 2-4 weeks |
Initial Development Cost | $150K - $300K+ | $25K - $75K |
Ongoing Maintenance (Annual) | $80K - $150K | $15K - $50K (SLA) |
Coverage Depth | Customizable but limited by tooling |
|
Security Expertise Required | Senior Cairo/StarkNet Dev + Security Researcher | Included (Team of 5+ Auditors) |
Integration Complexity | High (CI/CD, monitoring, reporting) | Low (API-first, pre-built plugins) |
Audit Report Quality | Basic output | Enterprise-grade with exploit PoCs & remediation guidance |
Support & Updates | Your responsibility | Included with 24/7 security advisory |
Total Cost of Ownership (Year 1) | $230K - $450K+ | $40K - $125K |
Cairo Fuzzing Analysis: Frequently Asked Questions
Get clear answers on our methodology, timeline, and security guarantees for Cairo smart contract fuzzing.
A standard fuzzing analysis for a single Cairo contract takes 5-7 business days. For complex protocols with multiple interdependent contracts, the timeline extends to 2-3 weeks. We provide a detailed project plan within 24 hours of scoping.
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.