We architect and deploy custom smart contracts on EVM and Solana that are audit-ready from day one. Our process ensures your core business logic is secure, gas-optimized, and upgradeable.
LABS
Services
StarkNet Cairo ZK Data Access Control
We design and implement verifiable, privacy-preserving data access control systems on StarkNet. Using Cairo and ZK-proofs, we enable marketplaces where data credentials are validated without exposing sensitive user or dataset information.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
From tokenomics to complex DeFi protocols, we translate your requirements into robust, on-chain systems.
- Full Lifecycle Development: Strategy, architecture,
Solidity/Rustcoding, testing, and mainnet deployment. - Security-First: Adherence to
OpenZeppelinstandards and comprehensive unit/integration testing. - Key Deliverables:
ERC-20,ERC-721, custom staking, governance, and multi-signature wallet systems. - Outcome: Launch your MVP in 2-4 weeks with contracts built for future scaling and audits.
key-features-cards
ZK-POWERED DATA ACCESS
Core Technical Capabilities We Deliver
We architect and implement production-ready, secure data access control systems on StarkNet, enabling your FinTech or Web3 product to leverage zero-knowledge proofs for privacy, compliance, and scalability.
benefits
DELIVERABLES
Business Outcomes for Your Data Marketplace
Our StarkNet Cairo ZK Data Access Control service delivers measurable results for your data monetization strategy. We focus on technical execution that drives business growth.
01
Provably Secure Data Monetization
Implement Zero-Knowledge proofs to enable pay-per-query or subscription models. Clients can sell data access without exposing raw information, creating new revenue streams with cryptographic guarantees.
ZK-SNARKs
Proof System
Trail of Bits
Audit Standard
02
Enterprise-Grade Access Control
Deploy Cairo smart contracts for granular, on-chain permissioning. Define roles, set time-based or usage-based access rules, and automate compliance, reducing administrative overhead by up to 70%.
< 0.01 ETH
Avg. Access Tx Cost
Role-Based
Permission Model
03
High-Throughput Data Provenance
Leverage StarkNet's scalability to log millions of data access events with cryptographic integrity. Create an immutable, auditable trail for compliance (GDPR, CCPA) and data lineage tracking.
> 100 TPS
Event Logging
Immutable
Audit Trail
04
Reduced Infrastructure & Legal Risk
Shift data custody and access logic to a decentralized, trust-minimized layer. Eliminate central points of failure, minimize data breach liability, and cut middleware server costs by over 60%.
60%+
Cost Reduction
SLA Backed
Uptime
05
Faster Time-to-Market for New Products
Use our battle-tested Cairo templates and modular architecture. Launch a compliant, secure data marketplace MVP in weeks, not months, accelerating your first revenue cycle.
2-4 weeks
MVP Deployment
Modular
Architecture
06
Interoperable Data Assets
Design data schemas and access tokens (ERC-3525, ERC-721) that are portable across DeFi, AI training, and analytics platforms. Increase asset utility and unlock composable revenue models.
ERC-3525/721
Token Standards
Composable
Design
ZK Data Access Control Solutions
Structured Development Packages
Compare our tiered packages for implementing Cairo-based ZK data access control on StarkNet, designed to match your project's scale and security requirements.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Cairo ZK Circuit Design | |||
Access Policy Smart Contracts | Basic (Allow/Deny) | Advanced (Role-Based) | Custom Logic & Composability |
Security Audit (External Firm) | 1 Pass | 2 Passes + Remediation | 3 Passes + Continuous Review |
Integration Support | Documentation Only | Direct Developer Support | Dedicated Integration Engineer |
Deployment & Configuration | Mainnet Only | Testnet + Mainnet | Multi-Chain (StarkNet, zkSync) |
Monitoring & Alerting | Basic Dashboard | Custom Alerts & Logs | 24/7 SOC2-Compliant Monitoring |
Incident Response SLA | Best Effort | < 12 Hours | < 1 Hour |
Ongoing Maintenance & Upgrades | Not Included | 6 Months Included | 12 Months + Priority Updates |
Typical Implementation Timeline | 3-4 Weeks | 6-8 Weeks | 10-12 Weeks |
Starting Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A structured, security-first approach to building and deploying your StarkNet data access control system. We deliver production-ready solutions with clear milestones and transparent communication.
01
Architecture & Design Review
We analyze your data model and business logic to design a Cairo-based access control architecture. This includes defining roles, permissions, and zero-knowproof verification flows tailored to your use case.
1-2 weeks
Design Phase
100%
Requirement Alignment
02
Cairo Smart Contract Development
Implementation of custom StarkNet contracts for access control, including role management, permission validation, and ZK-proof verification. Built with OpenZeppelin Cairo libraries and security best practices.
Solidity 0.8+
Security Standards
OpenZeppelin
Audited Libraries
03
Security Audit & Formal Verification
Comprehensive review of Cairo contracts and ZK circuits by our in-house security team. We employ static analysis, manual review, and formal verification tools to ensure mathematical correctness.
2 Audits
Minimum Guarantee
Critical = 0
Post-Audit Status
04
Testnet Deployment & Integration
Deployment to StarkNet testnet (Goerli) and integration with your frontend/backend. We provide a full test suite, documentation, and assist with wallet connectivity and API integration.
< 3 days
Deployment Time
Full Suite
Integration Tests
05
Mainnet Launch & Monitoring
Managed deployment to StarkNet Mainnet with real-time monitoring dashboards. We set up alerts for contract events, transaction failures, and performance metrics to ensure system health.
99.9%
Uptime SLA
< 5 min
Incident Response
06
Ongoing Support & Upgrades
Post-launch support package including Cairo compiler upgrades, StarkNet OS updates, and feature enhancements. We provide clear SLAs for bug fixes and maintenance.
24/7
Developer Support
4 hr
Critical Response SLA
StarkNet Data Access Control
Frequently Asked Questions
Get clear, specific answers about our Cairo-based ZK data access control development for StarkNet.
We deliver a production-ready, audited system in 4-8 weeks from kickoff. A standard MVP with core access rules and a basic admin dashboard takes 4 weeks. Complex systems with multi-role permissions, time-locks, and integration into an existing dApp backend extend to 8 weeks. We provide a detailed sprint-by-sprint timeline after the initial architecture review.
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