We architect and deploy production-grade Solidity/Rust smart contracts that are secure by design. Every contract undergoes rigorous security audits and formal verification before deployment, ensuring your protocol's logic is bulletproof.
LABS
Services
StarkNet Cairo Oracle Verifier Development
Design and implement verifiable oracle data attestation systems using Cairo for StarkNet. We deliver trust-minimized, high-frequency data feeds essential for secure DeFi, gaming, and NFT applications on ZK-rollups.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications by Web3-native engineers.
- Custom Logic: Build DeFi primitives, NFT mechanics, DAO governance, or bespoke business logic.
- Gas Optimization: Expert-level code that minimizes transaction costs for your users.
- Full Audit Trail: Comprehensive testing, including unit, integration, and scenario-based simulations.
- Deployment & Verification: Seamless deployment to mainnet/testnets with full source code verification on block explorers.
We deliver contracts you can trust, reducing development risk and accelerating your path to a secure mainnet launch.
key-features-cards
ENTERPRISE-GRADE VERIFICATION
Core Capabilities of Our Cairo Oracle Verifier Service
Our service delivers production-ready, secure, and high-performance Cairo verifiers for StarkNet oracles, enabling your dApp to trustlessly consume off-chain data with cryptographic guarantees.
01
Custom Cairo Verifier Development
We architect and deploy bespoke Cairo verifiers tailored to your specific oracle's proof logic and data attestation scheme, ensuring seamless integration with your StarkNet application.
2-4 weeks
Typical Delivery
100%
Custom Logic
02
Security-First Architecture
Built with formal verification principles and audited security patterns. Our verifiers undergo rigorous internal review to protect against logic flaws and cryptographic vulnerabilities.
Zero
Critical Bugs Shipped
OpenZeppelin
Security Standards
03
High-Performance & Low-Cost Verification
Optimized for minimal L1 verification gas costs and sub-second proof verification times on StarkNet, directly reducing your operational expenses and improving user experience.
< 1 sec
Verification Time
Up to 60%
Gas Cost Reduction
04
End-to-End Integration Support
We handle the full integration lifecycle—from designing the proof circuit interface to deploying the verifier contract and providing SDKs for your frontend and backend teams.
Full Stack
Support
Comprehensive Docs
Included
05
Multi-Oracle Protocol Support
Experience building verifiers for major oracle providers (e.g., Chainlink, Pragma, RedStone) and custom data feeds, ensuring flexibility for your chosen data source.
5+
Protocols Supported
Custom Feeds
Available
06
Maintenance & Upgrade Governance
We provide ongoing support, monitoring, and upgrade paths for your verifier to adapt to new Cairo/StarkNet versions and evolving oracle standards.
99.9%
Uptime SLA
24/7
Monitoring
benefits
FROM FEATURES TO VALUE
Business Outcomes: Why Trust-Minimized Data Matters
Our StarkNet Cairo Oracle Verifier development delivers more than just code. It provides the cryptographic guarantees and operational reliability that translate directly into measurable business advantages for your application.
01
Eliminate Oracle Manipulation Risk
Our verifiers cryptographically prove the validity of off-chain data on-chain, removing the single point of failure and trust assumption inherent in traditional oracles. This protects your DeFi protocol from front-running, price manipulation, and data corruption attacks.
Zero
Trust Assumption
100%
On-Chain Proof
02
Enable New Financial Primitives
With provably correct data, you can build previously impossible DeFi products. Launch options, perpetuals, and insurance protocols with complex settlement logic that depends on verifiable real-world events, not just price feeds.
New
Product Categories
Complex
Settlement Logic
03
Reduce Operational & Insurance Costs
By removing the need to insure against oracle failure or maintain complex multi-sig committees for data attestation, you significantly lower operational overhead and capital lock-up, improving your protocol's capital efficiency and profitability.
Lower
OpEx
Higher
Capital Efficiency
04
Achieve Regulatory & Audit Readiness
A transparent, verifiable data pipeline provides an immutable audit trail for every piece of off-chain information used in your protocol. This demonstrable integrity is critical for institutional adoption and regulatory compliance.
Immutable
Audit Trail
Enhanced
Compliance Posture
05
Future-Proof Your Data Infrastructure
Built on Cairo and StarkNet's ZK-proof system, our verifiers are designed for scalability. They maintain security and low verification costs as transaction volume grows, ensuring your data layer never becomes a bottleneck.
Scalable
Architecture
Low-Cost
Long-Term Verification
06
Accelerate Time-to-Trust
We deliver production-ready, audited verifier contracts and integration blueprints. This allows your team to focus on core application logic, reducing development time and enabling you to launch a more secure product faster.
Weeks
Saved on Development
Audited
Production Code
Choose the right development and support package for your project
StarkNet Oracle Verifier Development Tiers
Compare our structured service tiers for building and maintaining a secure, production-ready Cairo Oracle Verifier on StarkNet. Each tier includes core development with increasing levels of support, monitoring, and operational responsibility.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Cairo Verifier Contract Development | |||
Comprehensive Security Audit Report | |||
Gas Optimization & Performance Review | |||
Mainnet Deployment & Configuration | |||
Post-Deployment Monitoring Dashboard | |||
Incident Response Time SLA | Best Effort | < 24 Hours | < 4 Hours |
Proactive Health Checks & Alerts | |||
Dedicated Technical Account Manager | |||
Priority Support & Developer Access | |||
Estimated Delivery Timeline | 3-4 Weeks | 4-6 Weeks | Custom |
Starting Project Investment | $25,000 | $65,000 | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A systematic, security-first approach to delivering production-ready StarkNet verifiers that integrate seamlessly into your existing architecture.
01
Architecture & Design Review
We analyze your data requirements and threat model to design a verifier architecture optimized for security, cost, and performance on StarkNet. This includes selecting the optimal proof system and defining the Cairo interface.
1-3 days
Design Sprint
100%
Requirement Alignment
02
Cairo 1.0 Smart Contract Development
Implementation of the core verifier logic in Cairo 1.0, following OpenZeppelin security patterns. We build with modularity for easy upgrades and include comprehensive unit and integration tests.
> 95%
Test Coverage
Cairo 1.0
Language Standard
03
Security Audit & Formal Verification
Rigorous internal review followed by an external audit from a leading security firm. We employ formal verification tools for critical state transitions to eliminate logic vulnerabilities.
2 Audits
Minimum Standard
0 Critical
Guarantee Post-Audit
04
Testnet Deployment & Stress Testing
Deployment to StarkNet testnet with simulated high-load scenarios. We validate gas efficiency, proof verification times, and system behavior under edge cases before mainnet launch.
< 2 sec
Target Verification
100k+
Simulated TX Load
05
Mainnet Launch & Monitoring
Managed deployment to StarkNet mainnet with real-time monitoring dashboards. We provide alerts for verification failures, gas spikes, and system health.
24/7
Monitoring
99.5%
Uptime SLA
06
Documentation & Knowledge Transfer
Complete technical documentation, integration guides, and operational runbooks. We conduct handover sessions with your engineering team to ensure full ownership.
Full Source
Code Ownership
2 Sessions
Guaranteed Handoff
Technical & Commercial Details
StarkNet Oracle Verifier Development: FAQs
Get clear answers on timelines, costs, security, and our development process for custom StarkNet Cairo Oracle Verifiers.
A standard, production-ready Oracle Verifier with core data feeds (e.g., price oracles) typically deploys in 2-4 weeks. Complex verifiers with custom logic, multiple data sources, or advanced aggregation mechanisms may require 4-8 weeks. We provide a detailed project plan with milestones after the initial scoping call.
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