We architect and deploy custom smart contracts that form the foundation of your Web3 product. Our development process is built on security-first principles, utilizing Solidity 0.8+, OpenZeppelin libraries, and comprehensive audit trails to protect your assets and users.
LABS
Services
Cairo StarkNet Confidential dApp Build
We architect and build full-stack decentralized applications on StarkNet using Cairo, implementing zero-knowledge proofs for scalable, private computation and verifiable state transitions.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Token Systems:
ERC-20,ERC-721,ERC-1155with custom minting, vesting, and governance logic. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators.
- Enterprise Logic: Multi-signature wallets, access control systems, and cross-chain interoperability modules.
- Full Audit Readiness: Code is structured for seamless review by firms like CertiK or Quantstamp.
Deliver a fully audited, gas-optimized contract suite in 4-6 weeks, from specification to mainnet deployment. We ensure your core logic is battle-tested and ready for high-value transactions.
key-features-cards
BUILT FOR SCALE AND PRIVACY
Our StarkNet dApp Development Capabilities
We deliver production-ready Cairo applications on StarkNet, combining zero-knowledge privacy with the scalability of Ethereum Layer 2. Our focus is on secure, auditable, and maintainable code that gets your confidential dApp to market faster.
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Project
We deliver production-ready confidential dApps on StarkNet with Cairo, backed by verifiable security and performance standards. Here's what you can expect.
01
Zero-Knowledge Confidential Logic
We build your core business logic using Cairo's native ZK primitives, enabling private transactions and shielded data computation on StarkNet. Your users' sensitive data remains encrypted on-chain.
100%
On-Chain Privacy
Cairo 1.0+
Protocol
02
Formally Verified Smart Contracts
Every contract undergoes formal verification with tools like the Cairo verifier, providing mathematical proof of correctness for your critical financial or identity logic.
Formal Proof
Security Guarantee
OpenZeppelin
Standards
03
High-Throughput dApp Architecture
We architect your application to leverage StarkNet's scalability, designing for thousands of confidential transactions per second (TPS) with sub-dollar gas costs.
1000+
Confidential TPS
< $0.50
Avg. Tx Cost
04
Audit-Ready Code Delivery
Receive production code that passes our internal security review, structured for seamless third-party audits by firms like Nethermind or PeckShield to ensure trust.
Audit-Ready
Code Quality
4-6 weeks
Project Timeline
05
Full-Stack Integration
We deliver a complete stack: verified Cairo contracts, a TypeScript SDK for your frontend, and secure backend oracles for off-chain data feeds.
End-to-End
Integration
TypeScript SDK
Included
06
Ongoing Protocol Upgrades
We maintain your dApp through StarkNet hard forks and Cairo language updates, ensuring long-term compatibility and access to new ZK features.
24/7
Monitoring
SLA Backed
Support
Choose Your Path to Confidentiality
Structured Development Tiers
Compare our tailored service packages for building and deploying confidential dApps on StarkNet with Cairo. Select the tier that matches your project's scale, security requirements, and operational needs.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Cairo Smart Contract Development | |||
Zero-Knowledge Circuit Design | Basic (1-2 circuits) | Advanced (3-5 circuits) | Custom (Unlimited) |
Security Audit & Formal Verification | Internal Review | Third-Party Audit Partner | Multi-Firm Audit + Formal Verification |
Frontend Integration (ZK-Proofs) | |||
Deployment & Mainnet Launch Support | |||
Performance & Security Monitoring | 30 days | 6 months | 24/7 with SLA |
Incident Response Time | Best Effort | < 12 hours | < 1 hour |
Dedicated Technical Account Manager | |||
Custom Confidentiality Research (ZK, FHE) | Consultation | Full R&D Sprint | |
Estimated Timeline | 4-6 weeks | 8-12 weeks | Custom |
Starting Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology
A structured, transparent approach to building confidential StarkNet dApps that ensures on-time delivery, robust security, and seamless integration with your existing systems.
01
Discovery & Architecture
We conduct a deep technical workshop to define your confidential logic, map data flows, and design a scalable Cairo architecture. This phase establishes clear requirements, timelines, and deliverables.
1-2 weeks
Scoping Phase
100%
Requirement Clarity
02
Confidential Logic Development
Our Cairo experts implement your core business logic using STARKs for verifiable computation. We focus on gas-efficient, auditable code with privacy-preserving data handling at its core.
OpenZeppelin
Security Patterns
StarkNet 0.13+
Protocol Target
03
Rigorous Security Audit
Every line of Cairo code undergoes internal review followed by a formal audit. We provide a comprehensive report detailing vulnerabilities, mitigations, and proof of correctness.
2 Audits
Internal + External
Zero Critical
Bug Guarantee
04
Testnet Deployment & Integration
We deploy to StarkNet testnet and rigorously test all interactions. Our team integrates the dApp with your front-end and back-end systems, ensuring a smooth user experience.
Goerli/SEPOLIA
Test Environments
Full E2E
Testing Suite
05
Mainnet Launch & Monitoring
We manage the secure mainnet deployment and provide 30 days of post-launch monitoring. You receive dashboards for transaction volume, gas costs, and system health.
99.9%
Uptime SLA
24/7
Launch Support
06
Documentation & Knowledge Transfer
We deliver complete technical documentation, admin guides, and conduct training sessions for your team. You gain full ownership and understanding of the deployed system.
Full Source
Code Handover
2 Sessions
Team Training
Cairo & StarkNet Development
Frequently Asked Questions
Get clear answers on our process, security, and delivery for building confidential dApps on StarkNet.
Our process follows a structured 4-phase approach: 1. Discovery & Scoping (1 week): We analyze your requirements and define a technical spec. 2. Architecture & Design (1-2 weeks): We design the system, including Cairo contracts and off-chain logic. 3. Development & Testing (3-6 weeks): We build, integrate, and conduct rigorous unit and integration tests. 4. Audit & Deployment (2-3 weeks): We facilitate a security audit and manage the mainnet deployment. This ensures a predictable path from concept to launch.
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