We architect and deploy production-grade smart contracts that form the foundation of your Web3 application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
LABS
Services
Cross-Chain NFT State Synchronization
Implement secure bridges and messaging layers (CCIP, IBC, Wormhole) to synchronize NFT traits and metadata across blockchains, maintaining a unified state for multi-chain assets.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications.
- Custom Logic: Build on
ERC-20,ERC-721,ERC-1155or bespoke standards. - Security Framework: Integrated OpenZeppelin libraries and formal verification patterns.
- Deployment & Management: Full lifecycle support from testnets to mainnet with upgradeability planning.
Deliver a secure, functional smart contract system in as little as 2-4 weeks, backed by comprehensive documentation and a clear path to audit.
key-features-cards
ENGINEERING EXCELLENCE
Core Technical Capabilities
Our cross-chain NFT infrastructure is built on battle-tested engineering principles, delivering the reliability and performance your project demands.
01
Secure State Synchronization
Atomic, non-custodial state updates across chains using LayerZero and Axelar. Eliminate the risk of desynchronization or double-spending for your NFT ecosystem.
Zero
Security Incidents
100%
Uptime SLA
02
Gas-Optimized Smart Contracts
Custom-built synchronization contracts in Solidity 0.8+ and Rust (Solana), leveraging OpenZeppelin libraries. We reduce gas costs by up to 40% versus generic solutions.
< 40%
Gas Reduction
0.8.20+
Solidity Version
03
Multi-Chain Protocol Integration
Seamless support for EVM chains (Ethereum, Polygon, Arbitrum), Solana, and Cosmos-based networks. We handle the protocol-specific complexities so you don't have to.
10+
Supported Chains
< 2s
Avg. Finality
04
Real-Time Monitoring & Alerts
24/7 monitoring dashboard with alerts for synchronization events, failed transactions, and chain health. Proactive issue resolution ensures your mint and trade flows never break.
24/7
Monitoring
< 60s
Alert Response
05
Audited & Upgradeable Architecture
All core contracts undergo rigorous third-party audits (e.g., Halborn, CertiK) and are deployed with transparent proxy patterns for seamless, secure upgrades.
100%
Audit Coverage
Proxy
Upgrade Pattern
06
Developer-First SDK & APIs
Comprehensive TypeScript/JavaScript SDK and REST APIs for easy integration. Get from zero to synchronized NFTs in your dApp in under a week.
< 1 week
Integration Time
TypeScript
Primary SDK
benefits
PROVEN RESULTS
Business Outcomes for Your NFT Project
Cross-chain state synchronization is a technical challenge, but the business impact is what matters. Here’s what our infrastructure delivers for your project.
01
Expand Market Reach
Deploy your NFT collection across Ethereum, Solana, Polygon, and other major chains simultaneously. Unlock liquidity and users from multiple ecosystems without fragmenting your brand or community.
8+
Supported Chains
0%
User Friction
02
Enable True Interoperability
Allow your NFTs to move and be used across chains while maintaining a single source of truth for metadata, ownership, and utility. Power cross-chain gaming, metaverse assets, and DeFi integrations.
< 2 sec
State Sync Time
100%
Data Consistency
03
Reduce Operational Risk
Our battle-tested relayers and decentralized oracle network ensure state updates are secure and verifiable. Eliminate the single points of failure and bridge hacks that plague manual solutions.
99.9%
Uptime SLA
0
Security Incidents
04
Accelerate Time-to-Market
Go from concept to live, multi-chain NFT project in weeks, not months. Our modular SDKs and pre-audited smart contracts handle the complex synchronization logic so your team can focus on core features.
< 4 weeks
Avg. Deployment
1
Unified API
05
Future-Proof Your Architecture
Our agnostic protocol design means new L1s and L2s can be integrated seamlessly. Scale your project's reach as the blockchain landscape evolves without costly re-engineering.
2 days
New Chain Integration
Modular
Design
06
Enhance User Experience
Users interact with your NFTs on their preferred chain with native wallet support. No need to understand bridges or wrapped assets, creating a seamless and intuitive journey that boosts engagement.
1-Click
Chain Switching
Gasless
Optional Setup
Technical & Financial Comparison
Build vs. Buy: Cross-Chain Sync Solutions
A detailed comparison of the time, cost, and risk involved in developing a custom cross-chain NFT synchronization system versus using Chainscore's managed service.
| Factor | Build In-House | Chainscore |
|---|---|---|
Time to Production | 6-12+ months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $50K - $150K |
Security & Audit Overhead | High (Unaudited Risk) | Low (Pre-Audited Modules) |
Ongoing DevOps & Monitoring | Full team required | Managed 24/7 |
Multi-Chain Protocol Support | Per-chain integration needed | EVM, Solana, Aptos, Cosmos SDK |
Settlement Finality | Custom bridge development | Sub-2 seconds (Optimistic/ZK) |
Uptime & Reliability SLA | Your responsibility | 99.9% Guaranteed |
Total Cost of Ownership (Year 1) | $400K - $1M+ | $75K - $200K |
how-we-deliver
PREDICTABLE, SECURE, AND SCALABLE
Our Delivery Process: From Audit to Mainnet
A structured, four-phase approach to deliver a production-ready, secure cross-chain NFT synchronization system. We provide clear milestones, transparent communication, and guaranteed outcomes at every step.
01
Phase 1: Architecture & Smart Contract Audit
We begin with a deep technical audit of your existing NFT contracts and bridge logic. Our team identifies vulnerabilities, optimizes gas costs, and designs a secure, efficient state synchronization architecture using LayerZero, Axelar, or Wormhole.
Deliverable: Comprehensive audit report with actionable fixes and a finalized technical specification.
48+ hrs
Audit Review
100%
Coverage Guarantee
02
Phase 2: Development & Integration
Our engineers build and integrate the custom synchronization layer. This includes deploying secure relayers, implementing message verification, and creating the on-chain logic for minting/burning NFTs across chains while maintaining provenance and metadata integrity.
Deliverable: A fully functional, integrated development environment for testing.
2-4 weeks
Typical Timeline
Solidity 0.8+
Code Standard
03
Phase 3: Rigorous Multi-Chain Testing
We execute exhaustive testing on testnets (Sepolia, Mumbai, Arbitrum Goerli) to simulate mainnet conditions. Tests include edge-case state transitions, failure recovery, gas spike simulations, and security stress tests to ensure flawless cross-chain operation.
Deliverable: Full test suite report and a staging environment mirroring production.
500+
Test Cases
< 5 sec
Sync Latency Target
04
Phase 4: Mainnet Deployment & Monitoring
We manage the secure, phased mainnet rollout with fail-safes. Post-launch, we provide 24/7 monitoring dashboards for transaction success rates, bridge health, and security alerts, with a guaranteed SLA for incident response.
Deliverable: Production system live on mainnet with ongoing performance and security monitoring.
99.9%
Uptime SLA
< 1 hr
Incident Response
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts that form the backbone of your dApp. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive testing to ensure reliability.
From tokenomics to complex DeFi logic, we translate your business rules into immutable, efficient code.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi Protocols: DEXs, lending/borrowing platforms, staking, and yield aggregators.
- Security: Multi-stage audits, formal verification, and gas optimization.
- Delivery: Full documentation, deployment scripts, and post-launch support.
Cross-Chain NFT State Sync
Frequently Asked Questions
Get clear answers on how we deliver secure, scalable synchronization for your multi-chain NFT project.
We implement a modular architecture using a combination of LayerZero or Axelar for secure message passing, custom on-chain verifiers for state validation, and off-chain relayers for efficiency. Our smart contracts follow a pull-based update model where the destination chain requests and verifies state proofs from the source, minimizing trust assumptions. We use OpenZeppelin libraries and have our core patterns audited by leading firms.
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