We architect and deploy production-grade smart contracts that form the unbreakable backbone of your Web3 application. Our development process is built on a foundation of security-first principles, ensuring your logic is both robust and resilient.
LABS
Services
StarkNet/zkSync Cairo Royalty Contract Implementation
Deploy gas-efficient, verifiable royalty smart contracts in Cairo for StarkNet and zkSync. We build scalable, low-cost enforcement systems for high-volume NFT ecosystems.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications.
- Custom Logic: From
ERC-20tokens andERC-721NFTs to complex DeFi protocols and DAO governance systems. - Security Audits: Every contract undergoes rigorous internal review and optional third-party audits from firms like CertiK or Quantstamp.
- Gas Optimization: We write efficient code to minimize transaction costs for your end-users, a critical factor for adoption.
- Full Lifecycle Support: Development, testing, deployment to
Mainnet, and ongoing upgrade management via proxy patterns.
We deliver contracts you can stake your business on. Our typical engagement results in a secure, audited MVP in 3-4 weeks.
key-features-cards
BUILT FOR SCALE AND COMPLIANCE
Core Technical Capabilities
Our StarkNet and zkSync Cairo royalty contract implementations are engineered for high-throughput marketplaces and NFT ecosystems. We deliver production-ready, audited solutions that enforce creator fees on-chain with zero trust assumptions.
01
Cairo 1.0 Smart Contract Development
We architect and deploy secure, gas-optimized royalty contracts using the latest Cairo 1.0 syntax. Our code follows StarkWare and Matter Labs best practices for zk-rollup compatibility and future-proofing.
Cairo 1.0
Language Standard
OpenZeppelin
Security Patterns
02
Multi-Protocol Royalty Enforcement
Implement flexible royalty logic for ERC-721, ERC-1155, and custom standards across StarkNet and zkSync Era. Supports fixed percentages, tiered rates, and on-chain configurable splits.
ERC-721/1155
Standards Supported
On-Chain
Fee Enforcement
03
Gas Optimization & Cost Analysis
We profile and optimize every contract for minimal L2 transaction fees. Our implementations reduce gas costs by up to 40% compared to unoptimized baselines, critical for high-volume platforms.
≤ 40%
Gas Reduction
L1 & L2
Cost Analysis
04
Security Audits & Formal Verification
All contracts undergo rigorous internal review and are prepared for external audits by firms like Nethermind and PeckShield. We provide comprehensive test suites with >95% branch coverage.
>95%
Test Coverage
Audit-Ready
Code Delivery
05
Upgradeable Contract Architecture
Deploy with future-proof, upgradeable patterns using transparent proxies. Allows for seamless royalty logic updates and parameter adjustments without migrating assets or disrupting users.
Proxy Pattern
Architecture
Zero Downtime
Updates
06
Integration & Developer Tooling
We deliver complete integration packages: TypeScript SDKs, subgraph schemas for indexing, and detailed API documentation for your frontend and backend teams.
TypeScript SDK
Included
Subgraph Ready
Indexing
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Platform
Our StarkNet/zkSync Cairo royalty contract implementation delivers measurable results for your business, from accelerated time-to-market to robust, secure revenue streams.
01
Accelerated Time-to-Market
Deploy a fully audited, production-ready royalty contract in under 3 weeks. We provide a complete package: Cairo smart contracts, frontend SDK, and integration guides, so your team can focus on core product features.
< 3 weeks
Full Deployment
1 week
Initial Prototype
02
Provably Secure Revenue
Smart contracts are built with OpenZeppelin Cairo libraries and undergo a formal verification process. We guarantee the integrity of royalty logic, ensuring creators are paid automatically and immutably on every secondary sale.
100%
Automated Payouts
Formal Verification
Security Standard
03
Gas-Optimized for Scale
Contracts are engineered for minimal L2 transaction fees. We implement efficient storage patterns and batchable functions, reducing costs for your platform and users during high-volume trading periods.
~70%
Gas Reduction
Batch Support
For Marketplaces
04
Flexible Royalty Models
Support multiple business models out-of-the-box: static percentages, tiered rates, time-decaying fees, or custom logic. Easily manage and update rules via a secure admin dashboard.
4+
Model Types
On-Chain
Config Updates
06
Ongoing Protocol Support
We provide 12 months of maintenance, including updates for StarkNet/zkSync protocol upgrades and security patches. Optional SLA for 24/7 monitoring and incident response.
12 months
Included Support
99.5% Uptime
Optional SLA
Strategic Decision Analysis
Build vs. Buy: Cairo Royalty Contract Development
A detailed comparison of the costs, risks, and timelines for developing a secure, production-grade royalty contract for StarkNet or zkSync Era.
| Development Factor | Build In-House | Chainscore Implementation |
|---|---|---|
Time to Production | 4-6 months | 4-6 weeks |
Initial Development Cost | $120K - $250K+ | $25K - $75K |
Security Audit Requirement | Mandatory (extra $30K-$80K) | Included (pre-audited patterns) |
Expertise Required | Senior Cairo devs (scarce/high-cost) | Provided by our team |
Ongoing Maintenance & Upgrades | Internal team burden | Optional SLA from $1.5K/month |
Integration with Marketplaces | Custom, complex integration | Pre-built adapters for major platforms |
Royalty Enforcement Guarantee | Self-managed, high risk | SLA-backed logic & monitoring |
Compliance with EIP-2981 / ERC-721 | Custom implementation | Standards-compliant by default |
Total Year 1 Cost (Dev + Audit + Maintenance) | $150K - $330K+ | $25K - $75K + optional SLA |
how-we-deliver
A STRUCTURED APPROACH TO SCALABLE ROYALTIES
Our Development & Delivery Process
From initial architecture to mainnet deployment, our battle-tested process ensures your royalty contract is secure, efficient, and ready to scale. We deliver predictable timelines and production-ready code.
01
Discovery & Architecture
We analyze your tokenomics and business logic to design a custom Cairo contract architecture, selecting optimal StarkNet or zkSync patterns for gas efficiency and upgradeability.
1-3 days
Design Sprint
100%
Requirement Alignment
02
Secure Cairo Development
Implementation in Cairo 1.0 using OpenZeppelin libraries and our proprietary security patterns. Includes on-chain royalty logic, admin controls, and integration hooks.
2-4 weeks
Core Build
0 Critical
Audit Findings Goal
03
Rigorous Testing & Auditing
Comprehensive unit, integration, and fuzz testing with Protostar. Optional formal verification and third-party audit coordination (e.g., Nethermind, ABDK).
>95%
Code Coverage
2 Audits
Standard Package
04
Deployment & Integration
We handle the full deployment pipeline to testnet and mainnet, including contract verification, frontend SDK generation, and documentation for your engineering team.
< 1 week
Go-Live
24/7
Launch Support
security
FULL-STACK ENGINEERING
Custom Blockchain Development
End-to-end blockchain application development from concept to mainnet deployment.
We build production-grade decentralized applications with 99.9% uptime SLAs and enterprise-grade security. Our full-stack approach covers smart contracts, backend oracles, and responsive frontends, ensuring a seamless user experience.
- Smart Contracts: Audited
Solidity/Rustcode usingOpenZeppelinstandards forEVM/Solana. - Backend Infrastructure: Scalable indexers, secure RPC nodes, and custom oracle services.
- Frontend & Wallets: Intuitive
React/Next.jsinterfaces with integratedWalletConnectand multi-chain support. - DevOps & Deployment: Automated CI/CD pipelines and mainnet deployment with comprehensive monitoring.
Deliver a market-ready product in 6-8 weeks, not months. We handle the technical complexity so you can focus on growth and user acquisition.
StarkNet & zkSync Royalty Contracts
Frequently Asked Questions
Common questions about our Cairo-based royalty and fee distribution contract implementation services for Layer 2 scaling solutions.
A standard royalty contract implementation takes 2-4 weeks from kickoff to mainnet deployment. This includes requirements analysis, Cairo development, comprehensive testing, and security review. Complex protocols with multi-asset distribution or custom governance logic may extend to 6-8 weeks. We provide a detailed project plan with milestones during the initial consultation.
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