We architect and deploy custom Solidity/Rust smart contracts that are secure by design. Our process includes formal verification, comprehensive unit testing, and integration with leading audit firms to ensure your core logic is bulletproof before mainnet deployment.
LABS
Services
StarkNet/zkSync NFT Gallery Development
We build custom, privacy-enhanced NFT gallery and marketplace frontends on StarkNet and zkSync. Our focus is on delivering a superior user experience with batch transactions, on-chain data availability, and dramatically lower fees.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
- Custom Tokenomics & DeFi Logic: Design and implement
ERC-20,ERC-721, staking pools, liquidity mechanisms, and governance systems. - Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption.
- Full Audit Support: We prepare your code for and manage the entire audit process with firms like CertiK or Quantstamp.
- Upgradeability Patterns: Implement secure proxy patterns (
TransparentProxy,UUPS) for future-proof, maintainable contracts.
Deliver a battle-tested, audited smart contract suite in 4-6 weeks, ready for integration and launch.
key-features-cards
BUILT FOR SCALE AND SECURITY
Core Technical Capabilities
Our StarkNet and zkSync NFT gallery development is engineered for enterprise-grade performance, security, and user experience. We deliver production-ready infrastructure, not just prototypes.
01
Custom Smart Contract Development
Gas-optimized NFT contracts (ERC-721/1155) with custom minting logic, royalty enforcement, and upgradable architecture using OpenZeppelin standards on Cairo and Solidity.
100%
Audit Coverage
< 0.01 ETH
Avg. Mint Cost
02
Zero-Knowledge Proof Integration
Seamless integration of zk-SNARKs/STARKs for private transactions, verifiable ownership proofs, and scalable batch processing to reduce on-chain costs by up to 100x.
100x
Cost Reduction
Sub-second
Proof Generation
03
High-Performance Indexing & APIs
Real-time subgraph development and managed APIs for instant NFT metadata, ownership history, and trait filtering. Eliminates RPC latency for your frontend.
< 100ms
API Latency
99.9%
Uptime SLA
04
Secure Wallet Integration
Frictionless user onboarding with Argent X and Braavos wallet support, including session keys for gasless transactions and secure multi-signature treasury management.
0 Gas
User Transactions
SOC 2
Compliant
05
Scalable Layer 2 Architecture
End-to-end deployment on StarkNet or zkSync Era, with automated bridging, cross-chain liquidity solutions, and monitoring for sub-$0.01 transaction finality.
$0.001
Avg. TX Cost
< 2 weeks
Mainnet Deployment
benefits
DELIVERABLES
Business Outcomes for Your Platform
We architect and deploy production-ready NFT galleries on StarkNet or zkSync that deliver measurable business results, from user acquisition to revenue generation.
01
Secure & Audited Smart Contracts
Deploy with confidence using battle-tested, gas-optimized ERC-721/1155 contracts. Every contract suite undergoes rigorous internal review and is built with OpenZeppelin standards, ensuring asset security and platform integrity from day one.
100%
Audit-Ready Code
OpenZeppelin
Security Standard
02
Sub-Second Transaction Finality
Leverage StarkNet's validity proofs or zkSync's ZK-rollups to enable instant NFT minting and trading. Eliminate user friction with near-instant confirmations, critical for high-volume drops and seamless marketplace interactions.
< 1 sec
Avg. Finality
$0.01-0.10
Avg. Mint Cost
03
Scalable, Customizable Frontend
Receive a fully branded, responsive React/Next.js frontend integrated with Argent/Braavos wallets. Our modular architecture allows for easy customization of UI/UX, collection filtering, and user profiles to match your brand identity.
2-4 weeks
Typical Delivery
React/Next.js
Tech Stack
04
Integrated Marketplace & Royalty Engine
Launch with built-in secondary sales functionality. Our system enforces creator royalties on-chain, provides real-time analytics on trading volume, and supports fixed-price and auction listings to drive platform revenue.
On-Chain
Royalty Enforcement
Real-Time
Analytics Dashboard
05
Cross-Chain Bridging & Interoperability
Expand your audience with seamless NFT portability. We implement secure bridge integrations (e.g., StarkGate, zkSync Era Bridge) allowing users to move assets between L1 and L2, increasing liquidity and user choice.
Ethereum L1
Bridge Support
Secure
Custody During Transfer
06
Full-Stack DevOps & Monitoring
Go live with enterprise-grade infrastructure. We provide CI/CD pipelines, automated testing, 24/7 system monitoring, and performance dashboards, ensuring 99.9% platform uptime and rapid issue resolution post-launch.
99.9%
Platform Uptime SLA
24/7
Monitoring & Support
Structured Scaling for Your NFT Gallery
Phased Development Tiers
Choose the right development and support package for your StarkNet or zkSync NFT gallery, from launch to enterprise scale.
| Feature / Deliverable | Launch Tier | Growth Tier | Enterprise Tier |
|---|---|---|---|
Custom Smart Contract Development | |||
Core Gallery UI (Mint, View, Transfer) | |||
Advanced Gallery Features (Curated Drops, Bundles) | |||
Integration with 3rd Party Marketplaces | |||
Full Smart Contract Security Audit | |||
Production Deployment & Configuration | Self-serve | Managed | Managed |
Post-Launch Support Window | 2 weeks | 3 months | 12 months |
Infrastructure Monitoring & Alerting | Basic | Advanced | 24/7 with SLA |
Priority Technical Support Response | 72h | 24h | < 4h |
Estimated Timeline | 4-6 weeks | 8-12 weeks | 12+ weeks |
Starting Project Cost | $25K - $50K | $75K - $150K | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development Process
A transparent, milestone-driven approach that delivers secure, scalable NFT galleries on StarkNet and zkSync. We focus on predictable timelines, clear communication, and production-ready code.
01
Discovery & Architecture
We analyze your NFT use case and design a scalable architecture. This includes selecting the optimal L2 (StarkNet or zkSync), defining token standards (ERC-721/1155), and planning for gas efficiency and future composability.
1-2 weeks
Project Scoping
100%
Architecture Review
02
Smart Contract Development
Our certified developers write, test, and optimize Cairo or Solidity contracts. We implement core features like minting, royalties, and staking, adhering to OpenZeppelin standards and security best practices from day one.
Cairo/Solidity
Languages
OpenZeppelin
Security Standard
03
Frontend & Backend Integration
We build a responsive, user-friendly gallery interface and integrate it with your smart contracts. This includes wallet connection (Argent, Braavos), indexer setup for fast metadata queries, and admin dashboards.
React/Next.js
Frontend Stack
Sub-2s Load
Performance Target
04
Security Audit & Testing
Every line of code undergoes rigorous internal review and automated testing. We conduct comprehensive unit, integration, and stress tests on testnets (Goerli, Sepolia) before recommending third-party audits.
100%
Test Coverage
Multi-Stage
Review Process
05
Deployment & Mainnet Launch
We manage the secure deployment of contracts to StarkNet or zkSync mainnet, configure the production frontend, and execute a verified launch sequence. Post-deployment monitoring and analytics are established immediately.
< 1 day
Deployment Window
Real-time
Monitoring Live
06
Support & Scaling
We provide ongoing technical support, performance optimization, and guidance on scaling your gallery. This includes implementing Layer 3 solutions, adding new features, and analyzing user engagement metrics.
30 days
Included Support
24/7
Critical Response
Strategic Decision Analysis
Build vs. Buy: Custom Development vs. White-Label
A detailed comparison of the time, cost, and risk involved in building a StarkNet/zkSync NFT gallery from scratch versus using a pre-audited, white-label solution from Chainscore Labs.
| Key Factor | Build In-House | Chainscore White-Label |
|---|---|---|
Time to Market | 6-12 months | 4-8 weeks |
Initial Development Cost | $150K - $400K+ | $25K - $75K |
Security & Audit Status | High Risk (Unaudited) | Production-Ready (Pre-Audited) |
Core Features (Minting, Marketplace, Royalties) | Requires Full Build | Pre-Built & Configurable |
zkVM Expertise Required (Cairo/Solidity) | Essential | Managed by Our Team |
Ongoing Maintenance & Upgrades | Your Team's Responsibility | Optional SLA Included |
Total Cost of Ownership (Year 1) | $200K - $500K+ | $50K - $150K |
Integration with Wallets (Argent, Braavos) | Custom Implementation | Pre-Integrated |
Scalability & Gas Optimization | Trial & Error | Built-in Best Practices |
Guaranteed Support Response | None | < 24 Hours SLA |
StarkNet & zkSync NFT Gallery Development
Frequently Asked Questions
Get clear answers on timelines, costs, and technical details for your L2 NFT marketplace project.
A standard, feature-rich NFT gallery on StarkNet or zkSync typically takes 4-8 weeks from kickoff to mainnet launch. This includes smart contract development, frontend integration, security audits, and deployment. We deliver a working MVP within the first 2-3 weeks for early feedback. Complex integrations (e.g., cross-chain bridging, advanced royalty models) can extend this timeline, which we scope and agree upon upfront.
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