We architect and deploy custom smart contracts for tokens, DeFi protocols, and NFT ecosystems. Our development process is built on audited code patterns and gas optimization to ensure security and efficiency from day one.
LABS
Services
StarkNet Cairo L2 for Institutional Privacy
We develop private, permissioned StarkNet L2s for enterprises requiring confidential business logic and transaction validation using Cairo and zero-knowledge proofs.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Security-First Development: Contracts built with
Solidity 0.8+andOpenZeppelinlibraries, followed by a mandatory multi-stage audit. - Protocol Expertise:
ERC-20,ERC-721,ERC-1155,ERC-4626, and custom DeFi logic for AMMs, staking, and governance. - Deployment & Management: Full lifecycle support from testnet deployment on
Sepolia/Holeskyto mainnet launch and upgrade management via transparent proxies.
Deliver a secure, audited smart contract system in 2-4 weeks, reducing your technical risk and accelerating your go-to-market.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Private L2 Service
We architect and deploy fully managed, production-ready StarkNet L2s with institutional-grade privacy, security, and performance. Our service is designed for FinTechs and enterprises that require custom, compliant blockchain infrastructure.
benefits
ENTERPRISE-GRADE STARKNET SOLUTIONS
Business Outcomes for Your Institution
Deploy a private, high-throughput StarkNet L2 that meets institutional requirements for compliance, security, and performance. Our end-to-end Cairo development delivers measurable results.
01
Regulatory-Compliant Privacy
Implement privacy-preserving ZK circuits and confidential state channels for institutional transactions. Our Cairo smart contracts are built with compliance hooks for audit trails and KYC/AML integration, enabling private DeFi without regulatory risk.
Zero-Knowledge
Proof Technology
Audit-Ready
Code Architecture
02
High-Throughput Settlement
Achieve sub-second transaction finality with StarkNet's validity proofs. We architect your L2 for >5,000 TPS, reducing settlement latency by 99% compared to Ethereum L1 for high-frequency trading and payment rails.
> 5,000 TPS
Peak Throughput
< 1 sec
Finality
03
Reduced Operational Cost
Slash gas fees by 90-99% by moving operations to your optimized StarkNet sequencer. Our Cairo development includes gas optimization patterns and batch processing to minimize L1 settlement costs.
90-99%
Gas Reduction
Batch Processing
Cost Model
04
Secure, Audited Codebase
Deploy with confidence using formally verified Cairo 1.0 contracts. Every codebase undergoes internal review and external audit by firms like Nethermind, with comprehensive test coverage and incident response planning.
Formally Verified
Cairo 1.0
External Audit
Security Standard
05
Faster Time-to-Market
Launch your institutional L2 in 6-8 weeks with our proven StarkNet accelerator framework. We provide pre-built modules for custody, compliance, and bridging, reducing custom development time by 70%.
6-8 weeks
Production Launch
70% Faster
vs. In-House Build
06
Enterprise-Grade Support
Get 24/7 monitoring, dedicated engineering support, and SLA-backed uptime for your production StarkNet instance. We manage node infrastructure, upgrades, and provide real-time performance dashboards.
99.9%
Uptime SLA
24/7
Engineering Support
use-cases
ENTERPRISE-READY USE CASES
Targeted Applications for Confidential L2s
Our StarkNet Cairo L2 solutions are engineered for high-stakes applications where privacy, compliance, and performance are non-negotiable. We deliver production-ready systems with institutional-grade security.
01
Private On-Chain Trading
Build confidential DEXs and AMMs with hidden order books and zero-knowledge proof (ZKP) shielded transactions. Protect institutional trading strategies and large positions from front-running and market manipulation.
Sub-Second
Trade Finality
ZK-Shielded
Order Privacy
02
Regulatory-Compliant DeFi
Implement KYC/AML-gated liquidity pools and lending protocols with selective disclosure. Enable institutions to participate in DeFi while meeting MiCA, FATF Travel Rule, and other regulatory requirements on-chain.
FATF Compliant
Architecture
Selective
Disclosure Proofs
03
Confidential Asset Management
Deploy private fund vaults and automated portfolio rebalancing strategies. Shield NAV calculations, investor allocations, and fee structures using Cairo's confidential state, accessible only to verified stakeholders.
Fully Private
Portfolio Data
Automated
On-Chain Execution
04
Secure Enterprise Data Oracles
Create verifiable data feeds for private enterprise data (credit scores, invoices, IoT streams). Our oracles use ZK proofs to attest to data authenticity without exposing the underlying sensitive information.
ZK-Verified
Data Integrity
Enterprise
Data Sources
05
Institutional Settlement & Custody
Develop cross-chain settlement layers and MPC-augmented custody solutions with confidential transaction details. Enable secure, atomic swaps and asset transfers between private institutional wallets and public chains.
Atomic
Cross-Chain Swaps
MPC-Enhanced
Key Management
06
Auditable Private Supply Chains
Implement supply chain finance and provenance tracking where transaction amounts and counterparty identities are hidden. Provide auditors with ZK proofs for compliance without revealing competitive business data.
End-to-End
Provenance
Auditor-Access
ZK Proofs
StarkNet Cairo for Institutional Privacy
Build vs. Buy: Private L2 Development Analysis
A detailed comparison of the total cost, time, and risk of building a private StarkNet L2 in-house versus partnering with Chainscore Labs.
| Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $75K - $200K |
Annual Maintenance Cost | $150K+ (2-3 engineers) | Optional SLA from $50K/year |
StarkNet Cairo Expertise | Requires hiring/training | Included (Certified Devs) |
Security & Audit | High risk (unaudited code) | Low risk (pre-audited patterns, optional formal audit) |
ZK Circuit Optimization | Complex R&D required | Pre-optimized templates included |
Node Infrastructure | Self-managed (AWS/Azure) | Fully managed, geo-redundant |
Support & SLAs | Internal team only | 24/7 monitoring & <4h response |
Total Year 1 Cost | $400K - $750K+ | $125K - $250K |
Key Risk | Project delays, security vulnerabilities, talent churn | Predictable delivery, proven architecture, expert ownership |
how-we-deliver
INSTITUTIONAL-GRADE DELIVERY
Our Development & Delivery Process
A structured, security-first methodology for deploying production-ready StarkNet applications with institutional privacy guarantees. We deliver predictable timelines and auditable code.
01
Architecture & Privacy Design
We define your application's privacy model, selecting the optimal StarkNet primitives (account abstraction, storage proofs) and Cairo patterns to meet compliance and performance requirements.
2-3 days
Design Sprint
100%
Compliance Review
02
Secure Cairo Development
Our certified Cairo developers write, test, and optimize your core logic. We implement formal verification patterns and use Warp for Solidity migration where applicable.
Certified
Cairo Devs
OpenZeppelin
Standards
03
Rigorous Security Audits
Every contract undergoes internal review followed by a formal audit from a top-tier firm (e.g., Trail of Bits, Quantstamp). We provide a verifiable audit report for stakeholder review.
2+ Rounds
Audit Cycles
Critical = 0
Guarantee
04
Testnet Deployment & Simulation
We deploy to StarkNet testnets (Goerli, Sepolia) and execute comprehensive load and privacy leakage tests, simulating real-world transaction volumes and adversarial conditions.
> 10k TX
Load Test
Full Suite
Integration Tests
05
Mainnet Launch & Monitoring
Managed production deployment with automated monitoring for transaction success rates, sequencer health, and custom privacy event alerts via our dashboard.
99.9%
Uptime SLA
< 5 min
Alert Response
06
Ongoing Support & Upgrades
Post-launch, we provide dedicated support, performance optimization, and seamless upgrades for Cairo and StarkNet OS versions, ensuring long-term stability.
24/7
Developer Support
SLA-Backed
Maintenance
StarkNet Cairo L2 for Institutional Privacy
Frequently Asked Questions
Get clear answers on our development process, security standards, and timelines for building private, institutional-grade applications on StarkNet.
Our process follows a structured 4-phase approach: 1. Discovery & Scoping (1 week): We analyze your requirements and design the privacy architecture using Cairo. 2. Development & Testing (3-6 weeks): Our team builds and rigorously tests the smart contracts and ZK circuits. 3. Audit & Security Review (2 weeks): Independent audit by firms like Nethermind or Quantstamp, followed by remediation. 4. Deployment & Support (1 week): Mainnet deployment and handover with 90 days of included support. We provide weekly sprint reviews and maintain full transparency throughout.
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