We architect, develop, and deploy custom smart contracts for DeFi, NFTs, and enterprise applications. Our code is built on Solidity 0.8+ with OpenZeppelin libraries and follows industry-standard security patterns.
LABS
Services
ZK-Rollup Light Client & Proof Relay Service
We develop and operate infrastructure for verifying and relaying ZK proofs between rollups, enabling efficient and secure state verification without relying on centralized intermediaries.
Chainscore © 2026
overview
SECURE & AUDITED
Smart Contract Development
Production-ready smart contracts built with security-first principles and full audit support.
Every contract undergoes rigorous internal review before we recommend a third-party audit with leading firms like CertiK or Quantstamp. We manage the entire process from spec to mainnet deployment.
- Full Lifecycle Support: Specification, development, testing, deployment, and post-launch monitoring.
- Security Guarantees: Formal verification options and bug bounty program setup.
- Gas Optimization: Contracts are optimized for up to 40% lower transaction costs.
- Multi-Chain Ready: Deployable on Ethereum, Polygon, Arbitrum, Base, and other EVM-compatible chains.
key-features-cards
ZK-ROLLUP LIGHT CLIENT & PROOF RELAY
Core Infrastructure Components We Deliver
We build and maintain the critical infrastructure that connects your ZK-rollup to Ethereum L1, ensuring secure, trustless, and cost-effective state verification.
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Rollup or dApp
Our ZK-Rollup Light Client & Proof Relay Service delivers measurable infrastructure improvements, reducing your team's operational burden and accelerating your product roadmap.
01
Accelerated Time-to-Market
Deploy a production-ready, secure light client in weeks, not months. We handle the complex cryptography and relay infrastructure, allowing your team to focus on core dApp features.
< 4 weeks
Production Deployment
0
ZK Expertise Required
02
Enterprise-Grade Reliability
Ensure your users' cross-chain interactions are never interrupted. Our managed service provides high-availability proof relay with robust monitoring and automated failover.
99.9%
Uptime SLA
< 5 min
Recovery Time Objective
03
Substantial Cost Reduction
Eliminate the overhead of building and maintaining in-house ZK infrastructure. Convert high fixed engineering costs into a predictable operational expense.
70%+
Infra Cost Savings
$500K+
Engineering Value
05
Seamless Scalability
Handle transaction volume spikes without performance degradation. Our horizontally scalable relay network automatically adjusts to your dApp's demand, supporting millions of daily proofs.
< 2 sec
Proof Finality
10K+ TPS
Supported Throughput
Infrastructure Decision Matrix
Build vs. Buy: ZK Proof Relay Infrastructure
A detailed comparison of the total cost, risk, and time investment required to build and maintain a production-grade ZK proof relay system in-house versus using Chainscore's managed service.
| Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Time to Production | 6-12+ months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $0 |
Core Engineering Team | 3-5 Senior Engineers | Our Team |
Ongoing Infrastructure Cost | $8K - $20K/month | From $2.5K/month |
Security Audit & Pen Testing | $50K - $150K (one-time) | Included & Continuous |
Uptime SLA & Monitoring | You build it (99.5% typical) | 99.9% Guaranteed SLA |
Protocol Upgrades (e.g., EIP-4844) | Your team's responsibility | Managed & Included |
Multi-Chain Support (L2s, Alt-L1s) | Custom integration per chain | Pre-built & Configurable |
Total Year 1 Cost (Est.) | $350K - $1M+ | $30K - $100K |
Key Risk | High (Undetected bugs, talent attrition) | Low (Audited, insured, expert team) |
how-we-deliver
TRANSPARENT & PREDICTABLE
Our Delivery Process: From Architecture to Operations
A structured, four-phase engagement model designed for technical founders. We deliver production-ready ZK-Rollup infrastructure with clear milestones, predictable timelines, and guaranteed SLAs.
01
Architecture & Design Review
We conduct a deep technical assessment of your L1/L2 stack and business logic to design an optimal light client and proof relay architecture. This includes security modeling, gas cost analysis, and finality guarantees.
1-2 weeks
Design Phase
3+ Options
Architecture Reviewed
02
Custom Development & Integration
Our team builds and integrates the ZK-Rollup light client verifier and proof relay service into your application. We handle the complexities of proof verification, state synchronization, and cross-chain message passing.
4-6 weeks
Development Time
Solidity 0.8+
Core Language
03
Security Audits & Testing
Every component undergoes rigorous internal review and is submitted for an external audit by a leading security firm. We implement a comprehensive test suite covering edge cases and adversarial scenarios.
2-3 weeks
Audit Cycle
100% Coverage
Critical Paths
04
Deployment & Ongoing Operations
We manage the production deployment, monitoring, and maintenance of your relay infrastructure. This includes 24/7 uptime monitoring, performance optimization, and seamless upgrade management.
99.9%
Uptime SLA
< 5 min
Mean Time to Resolution
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 product.
We architect and deploy audit-ready smart contracts that form the secure foundation of your application. Our development process is built on Solana, EVM, and Move-based chains using battle-tested patterns from OpenZeppelin and Anchor.
- End-to-End Ownership: From initial architecture and
Solidity/Rustdevelopment to deployment and mainnet verification. - Security-First Development: Every line undergoes internal review against common vulnerabilities before external audit.
- Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption.
- Upgradeability & Management: Implement secure proxy patterns (
TransparentProxy,UUPS) for future-proof systems.
Deliver a secure, scalable smart contract system in 4-6 weeks, complete with comprehensive documentation and a deployment roadmap.
ZK-Rollup Infrastructure
Frequently Asked Questions
Get clear answers on how our ZK-Rollup Light Client & Proof Relay Service accelerates your L2 deployment.
For a standard integration, we deliver a production-ready light client and relay service in 2-3 weeks. This includes configuration for your target L1 (Ethereum, Polygon PoS, etc.), custom proof verification logic, and initial load testing. Complex deployments with custom state transition functions or multi-chain setups may extend to 4-5 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