We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on Solidity 0.8+ with OpenZeppelin libraries, ensuring gas efficiency and adherence to established security patterns.
LABS
Services
StarkNet Cairo ZK Compliance Oracles
Deploy custom zero-knowledge proof-based compliance oracles on StarkNet. We build Cairo smart contracts that verify user credentials or sanctions status off-chain, delivering only a cryptographic proof on-chain to meet regulatory requirements without exposing sensitive data.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your protocol.
- From Audit to Mainnet: Full lifecycle support from architecture review and unit testing to formal audits and mainnet deployment.
- Protocol Specialization: Expertise in
ERC-20,ERC-721,ERC-1155, DeFi primitives, and custom logic for staking, governance, and bridging. - Guaranteed Outcomes: We deliver production-ready code with comprehensive documentation, reducing your time-to-market by weeks.
We don't just write code; we build the trusted, on-chain logic that secures your assets and enables your core business model.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our ZK Oracle Service
Our StarkNet Cairo ZK Compliance Oracles deliver verifiable, on-chain data with the security and performance required for institutional adoption. Each capability is engineered to reduce your time-to-market and compliance overhead.
01
Zero-Knowledge Proof Generation
We generate succinct STARK proofs for off-chain data, enabling on-chain verification without revealing sensitive inputs. This ensures data integrity for compliance checks while preserving user privacy.
Sub-second
Proof Generation
Cairo 1.0
Language
02
Custom Compliance Rule Engine
Deploy tailored logic for AML, KYC, and transaction monitoring directly in Cairo. Our modular architecture allows for rapid adaptation to evolving global regulatory frameworks.
Modular
Rule Sets
< 2 weeks
Customization
03
High-Availability Data Feeds
Aggregate and attest to real-world data from premium sources (e.g., sanctions lists, identity providers) with cryptographic guarantees and robust fallback mechanisms.
99.9%
Uptime SLA
Multi-source
Redundancy
04
Gas-Optimized On-Chain Verification
Our verification contracts are meticulously optimized for minimal L1 gas costs, reducing the operational expense of maintaining continuous compliance for your dApp or protocol.
Up to 70%
Gas Savings
Cairo VM
Native Execution
05
Security-First Development
Every oracle component, from data connectors to proof circuits, undergoes rigorous audits following OpenZeppelin standards and formal verification practices.
Audited
By Spearbit
Formal Verification
Critical Paths
06
Developer-First Integration
Get production-ready with comprehensive SDKs, detailed documentation, and dedicated technical support. We handle the oracle complexity so your team can focus on core product development.
TypeScript SDK
Available
24h
Support SLA
benefits
DELIVERABLES
Business Outcomes for Your Protocol
Our StarkNet Cairo ZK Compliance Oracle service delivers concrete, measurable results that enhance your protocol's security, efficiency, and market position.
01
Regulatory-Grade Compliance
Integrate automated, on-chain AML/KYC checks and transaction monitoring. Ensure your DeFi protocol meets global standards without sacrificing user privacy or composability.
50+
Jurisdictions Covered
< 100ms
Verification Latency
02
Enhanced Security Posture
Leverage zero-knowledge proofs to validate compliance off-chain, minimizing on-chain attack surface. All circuits are formally verified and audited by leading security firms.
Formal Verification
Circuit Security
0
On-Chain Sensitive Data
03
Faster Time-to-Market
Deploy a production-ready, custom ZK oracle in weeks, not months. We provide a modular SDK and battle-tested Cairo templates for rapid integration.
2-4 weeks
Deployment Time
Pre-Audited
Core Components
04
Scalable & Cost-Efficient Operations
Our architecture ensures sub-second finality for oracle updates with predictable, low L1 settlement costs. Scale to millions of daily transactions without performance degradation.
99.9%
Uptime SLA
> 10k TPS
Throughput Capacity
05
Institutional-Grade Audit Trail
Generate immutable, ZK-verified proof of compliance for every transaction. Provide regulators and partners with transparent, cryptographically-secure audit logs.
Immutable Proofs
For Every TX
Real-Time
Monitoring Dashboard
06
Competitive Market Advantage
Differentiate your protocol with built-in compliance, attracting institutional liquidity and partnerships while maintaining a seamless retail user experience.
Enterprise Ready
Feature Set
Composability
Maintained
Infrastructure Decision Matrix
Build vs. Buy: ZK Compliance Oracle Solutions
A detailed comparison of the total cost, risk, and time commitment for developing a StarkNet Cairo ZK Compliance Oracle in-house versus leveraging Chainscore Labs' enterprise-grade solution.
| Factor | Build In-House | Chainscore Oracle |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $500K+ | $50K - $150K |
Core Expertise Required | ZK-Cairo, Cryptography, Oracle Design | Your Business Logic |
Security Audit & Pen Testing | External Vendor ($50K-$100K) | Included & Certified |
Ongoing Maintenance (Annual) | 1-2 Full-Time Engineers | Optional SLA from $30K/year |
Protocol Upgrade Management | Your Responsibility | Handled by Chainscore |
Multi-Chain Deployment (e.g., StarkNet, zkSync) | Additional 3-6 months per chain | Configuration Only |
Guaranteed Uptime SLA | Your Infrastructure (99.5% typical) | 99.9% Enterprise SLA |
Total Cost of Ownership (Year 1) | $300K - $600K+ | $80K - $180K |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A systematic, security-first approach to delivering production-ready StarkNet oracles. We focus on rapid integration and verifiable reliability, ensuring your compliance logic is operational in weeks, not months.
StarkNet Cairo ZK Compliance Oracle Development
Typical Project Timeline & Deliverables
A transparent breakdown of our phased delivery approach, from initial design to full production deployment and ongoing support.
| Phase & Deliverables | Timeline | Key Activities | Client Handoff |
|---|---|---|---|
Phase 1: Architecture & Design | 1-2 weeks | Requirement analysis, system architecture design, Cairo contract interfaces | Technical specification document, project roadmap |
Phase 2: Core Oracle Logic | 2-3 weeks | Cairo 1.0 smart contract development, ZK-proof integration logic, on-chain verification | Audit-ready source code, local testnet deployment |
Phase 3: Security Audit & Testing | 2 weeks | Internal security review, unit/integration testing, third-party audit coordination | Audit report, test suite, staging environment |
Phase 4: Mainnet Deployment | 1 week | Production deployment on StarkNet Mainnet, final configuration, monitoring setup | Live oracle endpoints, deployment documentation, admin keys |
Phase 5: Support & Maintenance | Ongoing | Performance monitoring, protocol upgrades, SLA-backed technical support | Monthly health reports, 99.9% uptime SLA, priority support channel |
StarkNet Cairo ZK Compliance Oracles
Frequently Asked Questions
Get clear answers on our development process, security, and support for building custom ZK-powered compliance oracles on StarkNet.
A ZK Compliance Oracle is an off-chain service that cryptographically proves on-chain transactions comply with regulations (like AML/KYC) without revealing sensitive user data. You need one to enable compliant DeFi, institutional trading, or real-world asset tokenization on StarkNet while preserving user privacy and maintaining the chain's scalability.
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