We architect and deploy custom smart contracts that form the backbone of your protocol. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and Solmate to mitigate risks from day one.
LABS
Services
StarkNet Cairo Oracle for Institutional Data
We develop custom, verifiable oracles using Cairo for StarkNet, enabling institutions to use sensitive financial and compliance data in dApps with cryptographic proof of correctness and privacy.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Full Lifecycle Development: From initial design and
Solidity/Rustcoding to deployment and on-chain verification. - Security & Auditing: Every contract undergoes internal review and is prepared for external audits with comprehensive documentation.
- Gas Optimization: We write for efficiency, ensuring your contracts are cost-effective for users at scale.
- Integration Ready: Contracts are built with clear interfaces for seamless connection to your frontend and backend systems.
Deliver a secure, auditable, and high-performance foundation for your dApp in weeks, not months.
key-features-cards
ENTERPRISE-GRADE ORACLE INFRASTRUCTURE
Core Technical Capabilities
Our StarkNet Cairo Oracle service delivers institutional-grade data feeds with the security, performance, and reliability required for production DeFi, gaming, and enterprise applications.
02
Low-Latency Data Feeds
Sub-second price and data delivery from 50+ institutional sources (Crypto, FX, Commodities). Our architecture minimizes latency through optimized Cairo contract execution and direct RPC endpoints.
< 500ms
Median Latency
50+
Data Sources
03
Provably Secure Oracle Design
Architected with cryptographic guarantees and formal verification principles. Implements decentralized validator sets, slashing conditions, and fraud proofs to ensure data integrity and network liveness.
99.9%
Uptime SLA
Formal Verification
Critical Components
04
Institutional Data Integration
Seamlessly connect to premium data providers (Chainlink, Pyth, Kaiko) and traditional APIs. We handle the complex middleware, normalization, and attestation required for cross-chain and cross-protocol compatibility.
Zero-Downtime
Upgrade Process
Multi-Source
Aggregation
05
Gas-Optimized Execution
Our Cairo contracts are engineered for minimal L2 gas consumption, reducing operational costs for dApps that consume oracle data. We implement state diffs and storage optimization specific to StarkNet.
~40%
Avg. Gas Savings
State Diff Optimized
Storage
06
DevOps & Monitoring Suite
Complete operational package including health dashboards, alerting for data deviations, performance metrics, and automated failover systems. Delivered as a managed service or self-hosted deployment.
24/7
Monitoring
< 2 weeks
Deployment Time
benefits
DELIVERABLES
Business Outcomes for Your Project
Our StarkNet Cairo Oracle service delivers institutional-grade data infrastructure, translating technical execution into measurable business results for your protocol.
02
Accelerated Time-to-Market
Deploy a production-ready, audited oracle in under 3 weeks. We provide a complete Cairo contract suite, integration SDK, and dedicated technical support, allowing your engineering team to focus on core protocol logic.
< 3 weeks
To Production
24/7
Dev Support
03
Cost-Efficient Scaling
Leverage StarkNet's L2 efficiency for oracle updates. Our gas-optimized Cairo contracts reduce operational costs by over 90% compared to mainnet oracles, enabling high-frequency data feeds at scale.
> 90%
Gas Cost Reduction
Unlimited
Update Frequency
Choose the Right Level of Support
StarkNet Oracle Development Tiers
A detailed comparison of our structured service packages for building and maintaining custom StarkNet oracles with Cairo. Each tier is designed to meet specific development, security, and operational needs.
| Core Deliverables & Support | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Cairo Oracle Contract Development | |||
Comprehensive Security Audit (by 3rd Party) | |||
Integration with 3+ Data Sources (e.g., Chainlink Pyth, Custom APIs) | 1 Source | 3 Sources | 5+ Sources |
StarkNet Testnet & Mainnet Deployment | |||
Performance & Load Testing | Basic | Advanced | Advanced + Stress |
Post-Deployment Monitoring & Alerting | 30 Days | 90 Days | 1 Year SLA |
Guaranteed Response Time for Critical Issues | 48h | 12h | < 4h |
Dedicated Technical Account Manager | |||
Custom SLA & Uptime Guarantee (e.g., 99.9%) | |||
Estimated Timeline | 3-4 Weeks | 6-8 Weeks | 8-12 Weeks |
Starting Project Cost | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PREDICTABLE DELIVERY
Our Development & Integration Process
A structured, transparent approach to integrate institutional-grade data feeds into your StarkNet applications, ensuring security, speed, and reliability from day one.
01
Discovery & Architecture Design
We analyze your specific data needs (price feeds, volatility indices, custom metrics) and design a Cairo oracle architecture optimized for your dApp's logic and gas efficiency.
1-3 days
Initial Scoping
100%
Requirement Alignment
02
Secure Cairo Smart Contract Development
Our team writes, tests, and optimizes the core Cairo contracts for data aggregation, validation, and on-chain publishing, adhering to StarkNet security best practices.
OpenZeppelin
Security Patterns
Gas-Optimized
Cairo 1.0
03
Reliable Off-Chain Infrastructure
We deploy and manage the high-availability off-chain component that fetches, verifies, and signs data from premium institutional sources before submitting to StarkNet.
99.9%
Uptime SLA
< 1 sec
Data Latency
04
Rigorous Testing & Security Audit
Every component undergoes unit, integration, and stress testing. Our code is peer-reviewed and prepared for external audit, with a focus on oracle manipulation resistance.
100%
Test Coverage
Audit-Ready
Code Delivery
05
Staging Deployment & Integration Support
We deploy the full oracle stack to a testnet environment and provide comprehensive support for your team to integrate and test the data feeds within your application.
Testnet
Full Sandbox
Dedicated
Dev Support
06
Mainnet Launch & Ongoing Monitoring
We manage the secure mainnet deployment and provide 24/7 monitoring, alerting, and maintenance to ensure data integrity and system reliability post-launch.
24/7
System Monitoring
SLA-Backed
Production Support
For Technical Decision Makers
StarkNet Oracle Development FAQs
Get clear, technical answers to the most common questions about building and deploying high-performance oracles on StarkNet.
Our standard delivery timeline is 2-4 weeks from kickoff to mainnet deployment, depending on data source complexity and integration scope. A typical project includes 1 week for architectural design, 1-2 weeks for Cairo smart contract development and testing, and 1 week for security review and deployment. We provide a detailed sprint plan with deliverables after the initial technical 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