We architect and deploy custom Solidity and Rust smart contracts with enterprise-grade security and gas optimization. Our development lifecycle includes formal verification, comprehensive unit testing, and third-party audits from firms like CertiK and Quantstamp to ensure your protocol's integrity from day one.
LABS
Services
ZK Identity Audit & Security Review
Secure your decentralized identity infrastructure with expert cryptographic circuit audits, smart contract reviews, and protocol vulnerability analysis. Mitigate risks before launch.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Custom Tokenomics & DeFi Logic: Design and implement
ERC-20,ERC-721, and bespoke token standards with staking, vesting, and governance modules. - Gas-Optimized Architecture: Reduce user transaction costs by up to 40% through efficient data structures and contract patterns.
- Upgradeability & Security: Implement secure proxy patterns (
TransparentProxy,UUPS) for future-proofing without compromising on-chain security.
Deliver a battle-tested, audited smart contract suite in as little as 4-6 weeks, accelerating your time-to-market while mitigating critical financial and reputational risk.
key-features-cards
PROVEN PROCESS
Our Comprehensive Audit Methodology
Our systematic, multi-layered approach to ZK identity security delivers actionable insights and verifiable protection for your critical infrastructure.
01
Architecture & Design Review
We analyze your ZK circuit design, cryptographic primitives, and protocol architecture against industry standards and known vulnerabilities before a single line of code is audited.
100%
Design Coverage
OWASP Top 10
Framework
02
Manual Code Review
Senior security engineers perform line-by-line analysis of your Circom, Halo2, or Noir circuits and surrounding infrastructure, focusing on logic flaws and cryptographic soundness.
2+
Senior Engineers
Zero-Knowledge
Specialization
03
Automated Analysis & Fuzzing
We employ proprietary and industry-standard tools (Slither, MythX) for static analysis and custom fuzzing harnesses to uncover edge cases and unexpected state behaviors.
10K+
Test Cases
Custom Harnesses
Tooling
04
Formal Verification
For critical components, we apply formal methods to mathematically prove the correctness of your protocol's security properties and invariants.
Mathematical Proof
Guarantee
Key Properties
Scope
05
Report & Remediation
Receive a prioritized, actionable report with CVSS-scored findings, proof-of-concept exploits, and direct remediation guidance. We support you through the fix verification process.
< 72h
Report Delivery
POC Included
For Critical Issues
06
Continuous Security
Beyond the audit, we offer monitoring and re-audit services for protocol upgrades, ensuring your ZK identity layer remains secure as it evolves.
Ongoing
Support
Upgrade Audits
Available
benefits
THE ZK DIFFERENCE
Why a Specialized ZK Audit is Critical
Zero-Knowledge cryptography introduces unique, high-stakes vulnerabilities that generic smart contract audits miss. Our specialized review process is designed to find and fix them.
02
Circuit Logic & Constraint Analysis
Our experts audit the constraint system for correctness, identifying logic errors, overflows, and under-constrained signals that could break the entire application.
04
Integration & Front-Running Risks
We test how your ZK proofs interact with on-chain verifiers and off-chain provers, identifying integration bugs and potential front-running vulnerabilities.
05
Gas Optimization for Verifiers
We optimize the on-chain verification logic, reducing gas costs by up to 40%—a critical factor for user adoption and protocol scalability.
06
Compliance with Latest Standards
Our audits ensure your implementation adheres to emerging standards like EIPs for ZK proofs, future-proofing your protocol for mainnet deployment.
Choose Your Security Level
ZK Identity Audit Packages
Compare our structured audit packages for zero-knowledge identity protocols, designed to meet the needs of projects from MVP to enterprise-grade production.
| Audit Scope & Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|
Core ZK Circuit Audit (Circom / Halo2) | |||
Smart Contract & Integration Review | |||
Manual Code Review (Person-Days) | 3 | 10 | 20+ |
Automated Vulnerability Scanning | |||
Formal Verification Report | |||
Remediation Support & Re-audit | |||
Post-Deployment Monitoring Setup | |||
Priority Response SLA | 72h | 24h | 4h |
Team Security Training Session | |||
Public Audit Report & Badge | |||
Estimated Timeline | 1-2 weeks | 3-4 weeks | 5-6 weeks |
Starting Price | $8,000 | $25,000 | Custom Quote |
process-walkthrough
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts for ERC-20, ERC-721, and complex DeFi protocols. Our code is built on Solidity 0.8+ with OpenZeppelin standards and undergoes rigorous security audits before mainnet deployment.
Deliver a market-ready, secure contract suite in 2-4 weeks, not months.
- Full Lifecycle Support: From ideation and architecture to deployment, verification, and monitoring.
- Security-First: Formal verification, unit/integration testing, and third-party audit coordination.
- Gas Optimization: Expert tuning to reduce transaction costs by up to 40% for end-users.
Technical & Commercial Questions
ZK Identity Audit FAQs
Common questions from CTOs and technical founders evaluating our zero-knowledge identity audit services.
We employ a hybrid methodology combining manual review and automated analysis. Our process includes: 1) Architecture Review of the ZK circuit design and identity model, 2) Cryptographic Security Analysis of zk-SNARK/STARK implementations (e.g., Circom, Halo2), 3) Smart Contract Review for on-chain verifiers and state management, 4) Integration Testing for front-running and replay attack vectors, and 5) Gas Optimization for on-chain verification costs. We reference standards from NIST, IETF, and the W3C Decentralized Identifiers spec.
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