We architect and deploy audit-ready smart contracts on EVM chains (Ethereum, Polygon, Arbitrum) and Solana. Our development process ensures gas optimization, upgradability patterns, and comprehensive testing before mainnet deployment.
LABS
Services
Licensed Fiat Gateway Smart Contract Audit
Comprehensive security audits and penetration testing of smart contracts powering licensed fiat gateways. We focus on fund custody logic, regulatory adherence, and prevention of financial exploits for institutional partners.
Chainscore © 2026
overview
CORE SERVICES
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts for your protocol or application.
From token standards to complex DeFi logic, we deliver contracts that are secure by design and built to scale.
- Custom Tokenomics & Standards:
ERC-20,ERC-721,ERC-1155, and bespoke implementations. - DeFi & dApp Logic: Automated Market Makers (AMMs), staking pools, governance systems, and NFT marketplaces.
- Security-First Development: Adherence to OpenZeppelin standards and integration with leading audit firms.
- Full Lifecycle Support: Development, testing, deployment, and post-launch maintenance with 99.9% uptime SLAs.
key-features-cards
COMPREHENSIVE SECURITY REVIEW
Our Fiat Gateway Audit Focus Areas
Our specialized audit methodology targets the critical vulnerabilities unique to licensed fiat on-ramp/off-ramp systems, ensuring compliance and protecting user funds.
benefits
ENTERPRISE-GRADE ASSURANCE
Why Institutions Choose Our Fiat Gateway Audits
Our audits are engineered for financial institutions and regulated entities, delivering the technical rigor and compliance clarity required for production-grade fiat on/off-ramps.
01
Regulatory & Compliance Alignment
We audit against specific regulatory frameworks (e.g., Travel Rule, AML checks) and ensure smart contract logic enforces institutional policies, providing a clear compliance narrative for your legal team.
15+
Jurisdictions Mapped
100%
Compliance Report Coverage
02
Comprehensive Risk Assessment
Beyond standard security, we analyze economic risks, oracle dependencies, and failure modes specific to fiat settlement. Our reports include detailed threat models and mitigation strategies for treasury management.
50+
Risk Vectors Analyzed
Tiered
Severity Scoring
03
Institutional-Grade Reporting
Receive executive summaries for leadership and line-by-line technical findings for engineers. Our deliverables are structured to satisfy both internal governance and external regulator inquiries.
< 72h
Critical Issue TAT
3 Formats
Report Deliverables
04
Proven Protocol Expertise
Our team has direct audit experience with major gateway protocols (Circle CCTP, LayerZero OFT) and cross-chain bridges, ensuring we understand the complex interoperability and liquidity challenges.
$10B+
TV Audited
5+ Years
Protocol Experience
05
Post-Audit Support & Monitoring
We provide 30 days of critical issue remediation support and can integrate with your CI/CD for ongoing code review. Optional monitoring for deployed contracts is available.
30 Days
Included Support
24/7
Critical Response
06
Security-First Development Partnership
We engage as a security partner, not just a vendor. Our process includes threat brainstorming sessions and architecture reviews before a line of code is written, preventing costly redesigns.
Pre-Code
Architecture Review
Advisory
Ongoing Access
Tiered Security Packages
Audit Scope & Deliverables
Choose the right level of security coverage for your licensed fiat gateway, from a one-time code review to a comprehensive security partnership.
| Audit Component | Starter | Professional | Enterprise |
|---|---|---|---|
Smart Contract Code Review | |||
Architecture & Design Review | |||
Gas Optimization Analysis | |||
Formal Verification Report | |||
Deployment & Configuration Review | |||
Remediation Support & Re-audit | 1 round | 2 rounds | Unlimited |
Priority Response SLA | 72h | 24h | 4h |
Post-Audit Monitoring | |||
Public Audit Report & Badge | |||
Private Executive Summary | |||
Starting Price | $8,000 | $25,000 | Custom Quote |
process-walkthrough
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts for your protocol or application.
We architect and deploy battle-tested smart contracts that form the secure foundation for your dApp. Our development process integrates formal verification and multi-audit reviews to mitigate risks before mainnet deployment.
- Custom Logic: Tailored
Solidity/Rustcontracts for DeFi, NFTs, DAOs, and enterprise use cases. - Security First: Development follows OpenZeppelin standards and undergoes peer review + automated analysis.
- Full Lifecycle: From initial design and testing to deployment, verification, and ongoing upgrade management.
Reduce your time-to-market and technical debt with contracts built for scale, security, and long-term maintainability.
For CTOs and Compliance Leads
Fiat Gateway Audit FAQs
Get clear, technical answers to the most common questions about our specialized smart contract audit service for licensed fiat gateways.
We employ a hybrid audit methodology tailored for fiat gateways. This combines manual expert review of compliance logic, fund flow, and access controls with automated analysis for common vulnerabilities. Our process includes a dedicated review of on-chain/off-chain data reconciliation, KYC/AML integration points, and adherence to your specific regulatory license requirements. We deliver findings categorized by severity (Critical, High, Medium) with concrete remediation guidance.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall