We architect and deploy audit-ready smart contracts for tokens, DeFi protocols, and NFT platforms. Our code follows OpenZeppelin standards and is written in Solidity 0.8+ for maximum security and gas efficiency.
LABS
Services
StarkNet Cairo ZK Oracle Proofs Development
We design and build custom zero-knowledge oracle circuits and verifiers in Cairo for StarkNet, enabling scalable, privacy-preserving data feeds with STARK-proof efficiency.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your decentralized application.
From a 2-week MVP to a full protocol suite, we deliver contracts that are secure by design and ready for mainnet.
- Custom Tokenomics & Governance:
ERC-20,ERC-721,ERC-1155, and bespoke implementations with staking, vesting, and DAO voting. - DeFi & DEX Development: Automated Market Makers (AMMs), liquidity pools, yield strategies, and lending/borrowing protocols.
- Security-First Process: Every contract undergoes internal review and is prepared for third-party audits from firms like CertiK or Quantstamp.
key-features-cards
BUILT FOR STARKNET
Our ZK Oracle Development Capabilities
We architect and deploy verifiable data feeds that power DeFi, gaming, and enterprise applications on StarkNet, ensuring data integrity and trustless execution.
01
Cairo ZK Oracle Contracts
We develop custom Cairo smart contracts for on-chain oracle logic, including data aggregation, validation, and proof verification, enabling secure and efficient data consumption.
100%
Cairo 1.0+
OpenZeppelin
Security Patterns
02
Zero-Knowledge Proof Generation
We design and implement the ZK proof circuits (Cairo programs) that cryptographically attest to the correctness of off-chain data before it's submitted on-chain.
Plonk/STARK
Proof Systems
Cairo VM
Execution Environment
03
High-Availability Relayer Infrastructure
We deploy and manage robust, decentralized relayers that fetch data, generate proofs, and submit verified data to StarkNet with guaranteed uptime and low latency.
99.9%
Uptime SLA
< 5 sec
Median Latency
04
Custom Data Connectors & Adapters
We build secure adapters to connect your oracle to any API, blockchain (EVM, Cosmos), or proprietary data source, with custom aggregation and update logic.
Any API
Data Source
Multi-Sig
Update Control
06
Gas-Optimized Oracle Design
We architect oracle systems with a focus on minimizing L2 gas costs for data updates and proof verification, directly reducing operational expenses for your application.
~70%
Gas Reduction
Batch Updates
Supported
benefits
TANGIBLE ROI FOR ENTERPRISE
Business Outcomes: Why Build ZK Oracle Proofs
Move beyond theoretical benefits. Our StarkNet Cairo ZK Oracle Proofs deliver measurable, production-ready advantages that directly impact your bottom line and technical roadmap.
01
Unbreakable Data Integrity
Prove the authenticity of any off-chain data feed (price, weather, sports) on-chain with cryptographic certainty. Eliminate oracle manipulation risks and build protocols that are resilient to flash loan attacks and data corruption.
Zero
Successful Manipulations
Formally Verified
Proof Logic
02
Radical Cost Reduction
Batch and compress thousands of data points into a single, verifiable ZK proof. Drastically reduce the gas costs associated with frequent on-chain data updates, making high-frequency DeFi and gaming applications economically viable.
Up to 95%
Lower Gas Fees
Batch 1k+ Feeds
Per Proof
03
Enterprise-Grade Privacy
Enable confidential computations on sensitive data. Prove a condition is met (e.g., credit score > X) without revealing the underlying private data, unlocking new use cases in private DeFi, institutional trading, and compliant identity verification.
Data Obfuscated
On-Chain
Cairo Native
Privacy Primitives
04
Faster Time-to-Market
Leverage our battle-tested Cairo libraries and modular proof circuits. We deliver production-ready ZK oracle systems in weeks, not months, allowing you to iterate and launch ahead of competitors without sacrificing security.
2-4 Weeks
From Spec to Mainnet
Pre-Audited
Core Components
05
Future-Proof Scalability
Build on StarkNet's validity rollup architecture. Your ZK oracle proofs inherit its unlimited scalability, ensuring sub-second finality and low costs even as transaction volume grows exponentially, preventing future bottlenecks.
Sub-Second
Proof Finality
Unlimited TPS
Theoretical Scale
06
Regulatory & Audit Readiness
Provide verifiable, tamper-proof audit trails for all off-chain data used in your protocol. Our proofs create an immutable record, simplifying compliance reporting and security audits for institutional partners and regulators.
Immutable Log
For All Data
Auditor-Friendly
Proof Outputs
Choose Your Implementation Path
StarkNet ZK Oracle Proofs: Development Tiers
Compare our structured service tiers for developing and deploying verifiable off-chain computations on StarkNet. Each tier includes Cairo smart contract development, ZK proof generation, and integration with your data source.
| Core Service Components | Proof of Concept | Production Ready | Enterprise Scale |
|---|---|---|---|
Cairo 1.0 Smart Contract Development | |||
Custom ZK Circuit Design & Implementation | Basic Template | Optimized for Data | Fully Custom |
Integration with External API / Data Source | 1 Source | Up to 3 Sources | Multi-Source Aggregation |
Security Audit (by 3rd Party) | Internal Review | Full Audit Report | Audit + Formal Verification |
Deployment to StarkNet Mainnet | |||
Performance Optimization (TPS / Cost) | Not Included | Gas Optimization | Full Stack Optimization |
Post-Deployment Support & Monitoring | 30 Days | 6 Months SLA | 24/7 Dedicated SLA |
Implementation Timeline | 3-4 Weeks | 6-8 Weeks | 8-12 Weeks |
Typical Project Investment | $25K - $50K | $80K - $150K | $200K+ |
how-we-deliver
PROVEN METHODOLOGY
Our Development Process
A structured, security-first approach to building production-ready ZK oracle proofs on StarkNet. We deliver auditable, high-performance solutions with predictable timelines.
01
Requirement Analysis & Architecture
We begin by mapping your specific data needs to the optimal Cairo proof architecture. We define the data source, attestation model, and on-chain verification logic to ensure efficiency and cost-effectiveness.
1-2 weeks
Design Phase
100%
Requirement Sign-off
02
Cairo Proof Circuit Development
Our experts write, test, and optimize the core Cairo smart contracts and ZK circuits. We focus on gas efficiency, security patterns from OpenZeppelin, and adherence to StarkNet's latest compiler standards.
Solidity 0.8+
Standards
OpenZeppelin
Security Base
03
Security Audit & Formal Verification
Every proof system undergoes rigorous internal review and optional third-party audit. We employ static analysis, fuzzing, and formal verification techniques to ensure mathematical correctness and resilience.
Multi-stage
Review Process
CertiK / Halborn
Audit Partners
04
Integration & Deployment
We handle the full deployment pipeline to StarkNet mainnet or testnet. This includes configuring provers, setting up relayers for data ingestion, and providing comprehensive integration guides for your dApp.
< 72 hours
Go-Live
99.9% SLA
Uptime Target
05
Monitoring & Maintenance
Post-deployment, we provide monitoring dashboards for proof generation latency, gas costs, and data accuracy. We offer SLA-backed maintenance and upgrade support for protocol changes.
24/7
Monitoring
SLA-Backed
Support
tech-stack
ENGINEERED FOR PRODUCTION
Technology & Protocols
We build on battle-tested, open-source foundations, delivering enterprise-grade ZK oracle proofs with production-ready reliability and security.
04
Security & Auditing
Rigorous smart contract audits following OpenZeppelin standards, formal verification with Cairo's native tooling, and penetration testing for oracle nodes.
05
Gas Optimization
Expert Cairo contract optimization to minimize L1 verification costs and L2 transaction fees, critical for high-frequency oracle updates.
06
DevOps & Monitoring
Full lifecycle management: CI/CD pipelines for Cairo contracts, 24/7 oracle node monitoring, alerting, and performance dashboards.
StarkNet Cairo ZK Oracle Proofs
Frequently Asked Questions
Get clear answers on our development process, security, and timelines for building verifiable oracle proofs on StarkNet.
From initial specification to mainnet deployment, a typical project takes 4-8 weeks. This includes 1-2 weeks for design and specification, 2-4 weeks for Cairo development and on-chain integration, and 1-2 weeks for security audits and testing. Complex multi-source oracle systems or novel proof circuits may extend this timeline, which we outline in a detailed project plan before engagement.
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