We architect and deploy custom smart contracts that form the secure, immutable backbone of your dApp. Our development process is built on audited security patterns and a deep understanding of gas optimization for EVM and Solana ecosystems.
LABS
Services
StarkNet Cairo Rollup Customization
We build and optimize high-performance application-specific rollups (Appchains) on StarkNet. Our team delivers custom Cairo smart contracts and sequencers to maximize throughput and minimize costs on the StarkWare stack.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists for your protocol or application.
From tokenomics to complex DeFi logic, we translate your business requirements into efficient, secure on-chain code.
- End-to-End Development: Full lifecycle from specification and
Solidity/Rustcoding to deployment and verification. - Security-First Approach: Adherence to
OpenZeppelinstandards and integration with leading audit firms. - Gas Optimization: Expert tuning to minimize transaction costs and enhance user experience.
- Real-World Ready: Contracts designed for mainnet deployment with upgradability and admin controls.
key-features-cards
FULL-STACK STARKNET EXPERTISE
Core Appchain Development Capabilities
We architect and deploy production-ready StarkNet appchains, delivering custom Cairo logic, battle-tested infrastructure, and expert guidance to accelerate your time-to-market.
02
Sequencer & Prover Infrastructure
We deploy and manage dedicated sequencer nodes and provers for your appchain, ensuring low-latency transaction processing and reliable proof generation.
99.9%
Sequencer Uptime SLA
< 2 sec
Avg. Block Time
04
RPC & API Endpoint Management
We provide high-availability JSON-RPC endpoints, indexers, and custom APIs with load balancing and monitoring, ensuring reliable dApp connectivity.
99.9%
API Uptime SLA
< 100ms
P95 Latency
06
DevOps & Continuous Deployment
Full CI/CD pipeline setup with automated testing, staging environments, and one-click deployments using tools like GitHub Actions and Docker.
< 2 weeks
Initial Deployment
Automated
Testing Pipeline
benefits
DELIVERABLES & METRICS
Business Outcomes for Your Project
Our StarkNet Cairo rollup customization delivers concrete, measurable results. We focus on the technical outcomes that directly impact your product's performance, security, and time-to-market.
01
Production-Ready Rollup in 4-6 Weeks
We deliver a fully customized, audited StarkNet rollup from concept to mainnet deployment. Our proven development framework eliminates months of R&D, allowing you to launch your L2 solution with confidence.
4-6 weeks
Time to Mainnet
100%
On-Time Delivery
02
Gas Cost Reduction up to 90%
Custom Cairo contracts and sequencer optimizations drastically reduce transaction fees for your users. We implement proven patterns for state compression and batch processing to maximize cost efficiency.
Up to 90%
Gas Savings
< $0.01
Avg. Tx Cost
03
Sub-Second Transaction Finality
Engineer a high-performance sequencer with optimized proof generation. Achieve near-instant user confirmations, enabling real-time DeFi, gaming, and trading applications on your rollup.
< 1 sec
Tx Finality
10k+ TPS
Theoretical Capacity
04
Enterprise-Grade Security & Audits
Every line of Cairo code undergoes rigorous review. We deliver contracts pre-audited with OpenZeppelin standards and can facilitate formal verification for critical financial logic.
Zero
Critical Bugs Shipped
100%
OpenZeppelin Compliance
05
Custom Fee Market & Tokenomics
Design and implement a bespoke fee structure (e.g., paymaster integrations, fee subsidization, native token discounts) to align incentives and drive user adoption on your L2.
Fully Custom
Fee Model
Seamless
ERC-20 Integration
06
Dedicated Infrastructure & Monitoring
We provision and manage the full node stack—sequencer, prover, RPC endpoints—with 99.9% uptime SLA. Includes real-time dashboards for tracking TVL, TPS, and gas metrics.
99.9%
Uptime SLA
24/7
Monitoring
Compare our service packages
StarkNet Appchain Development Tiers
Choose the right level of support for your custom StarkNet Cairo rollup, from foundational development to fully managed infrastructure.
| Core Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Cairo Smart Contracts | |||
StarkNet Appchain Architecture Design | |||
Sequencer & Prover Setup | |||
Production Deployment & Integration | |||
Comprehensive Security Audit | |||
Performance Optimization (TPS/Latency) | |||
Dedicated Technical Account Manager | |||
24/7 Infrastructure Monitoring & Alerting | |||
SLA-Backed Support Response Time | Business Hours | < 24 Hours | < 4 Hours |
Ongoing Maintenance & Upgrades | Ad-hoc | Quarterly | Monthly |
Typical Project Timeline | 6-8 weeks | 8-12 weeks | 12-16 weeks |
Estimated Starting Price | $50K - $100K | $150K - $300K | Custom Quote |
how-we-deliver
PREDICTABLE DELIVERY
Our Development & Deployment Process
A streamlined, battle-tested workflow designed to get your StarkNet rollup to mainnet faster and with enterprise-grade security.
01
Architecture & Specification
We define your rollup's core logic, data availability strategy, and sequencer architecture in a detailed technical spec. This ensures alignment and serves as the blueprint for development.
1-2 weeks
Phase Duration
100%
Spec Alignment
02
Cairo Smart Contract Development
Our certified Cairo developers write, test, and optimize your custom rollup logic. We implement proven patterns for security and gas efficiency from day one.
Solidity 0.8+
Code Standards
OpenZeppelin
Security Base
03
Rigorous Testing & Auditing
Every line of Cairo code undergoes unit, integration, and stress testing. We facilitate third-party audits with leading firms like Nethermind or ABDK before mainnet deployment.
>95%
Test Coverage
2+ Audits
Security Layers
04
Staging Deployment & Validation
We deploy your rollup to a dedicated StarkNet testnet or devnet. This phase includes sequencer configuration, bridge setup, and comprehensive end-to-end validation.
Testnet/Devnet
Environment
Full E2E
Validation Suite
05
Mainnet Launch & Monitoring
We manage the production deployment to StarkNet mainnet, including final security checks and sequencer initialization. Real-time monitoring for performance and security begins immediately.
99.9% SLA
Uptime Target
< 1 hr
Go-Live Window
06
Post-Launch Support & Scaling
Receive ongoing maintenance, performance tuning, and upgrade support. We ensure your rollup scales efficiently with your user growth and evolving requirements.
24/7
Support
T+30 Days
Included
security
FOUNDATION
Blockchain Infrastructure
Reliable, scalable node infrastructure with 99.9% uptime SLA for production applications.
We manage your core infrastructure so you can focus on building. Our service includes dedicated RPC endpoints, real-time indexing, and archive node access for EVM and Solana networks. Deploy in minutes, not weeks.
Guaranteed Performance: 99.9% uptime SLA with sub-second latency and multi-region failover. No more managing node syncs or hardware.
- Full Protocol Coverage:
Ethereum,Polygon,Arbitrum,Base,Solana, and 20+ other chains. - Developer Experience: Dedicated endpoints, WebSocket support, and comprehensive API documentation.
- Security & Compliance: SOC 2 Type II compliant infrastructure with DDoS protection and private networking.
Technical & Commercial Insights
StarkNet Appchain Development FAQs
Answers to the most common questions from CTOs and founders evaluating custom StarkNet appchain development.
A standard StarkNet appchain deployment takes 4-8 weeks. This includes 1-2 weeks for architecture design and Cairo contract development, 2-3 weeks for core logic and integration, 1 week for internal security review and testing, and 1-2 weeks for final audit preparation and mainnet deployment. Complex DeFi or gaming protocols with custom provers may extend to 12 weeks.
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