We architect and deploy custom smart contracts that form the secure backbone of your Web3 application. Our development process is built on OpenZeppelin standards and follows formal verification principles to mitigate risk.
LABS
Services
zk-Rollup Credit Aggregation Layer
We architect and deploy a dedicated zk-rollup that aggregates credit data from multiple sources to compute a unified, private credit score, drastically reducing mainnet costs and data exposure.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by certified Solidity experts.
- Full Lifecycle Development: From initial design and
Solidity 0.8+coding to deployment onEVMchains and ongoing maintenance. - Security-First: Every contract undergoes manual review and automated analysis with tools like Slither and MythX before audit.
- Gas Optimization: We write efficient code to reduce user transaction costs by 15-40%, a critical factor for adoption.
- Integration Ready: Contracts are built with clear interfaces for seamless connection to frontends, oracles, and other protocols.
Deliver a secure, auditable, and cost-effective foundation for your token, DeFi protocol, or NFT project in as little as 3 weeks.
key-features-cards
ENGINEERED FOR SCALE
Core Architecture & Capabilities
Our zk-Rollup Credit Aggregation Layer is built on a foundation of proven cryptography and battle-tested infrastructure, delivering institutional-grade performance for FinTechs and DeFi protocols.
01
Zero-Knowledge Proof System
Leverages zk-SNARKs for private credit scoring and risk assessment. Off-chain computation ensures sensitive financial data is never exposed on-chain, while maintaining cryptographic proof of validity.
zk-SNARKs
Proof System
Off-Chain
Data Privacy
02
High-Throughput Settlement Layer
Custom zk-Rollup architecture batches thousands of credit transactions into a single L1 proof, reducing gas costs by >90% and enabling sub-2 second finality for credit decisions.
>90%
Gas Reduction
< 2 sec
Finality
03
Modular Risk Engine
Pluggable, on-chain risk models for underwriting. Supports custom scoring algorithms, real-time oracle feeds for asset prices, and automated compliance checks for regulated entities.
Pluggable
Models
Real-Time
Oracle Data
04
Cross-Chain Liquidity Aggregation
Native bridges and messaging layers (like LayerZero, Axelar) aggregate lending liquidity from Ethereum, Arbitrum, and Polygon into a single, optimized credit pool, maximizing capital efficiency.
Multi-Chain
Liquidity
Native Bridges
Architecture
05
Enterprise-Grade Security & Audits
Full-stack security from circuit design to smart contracts. All core components undergo formal verification and are audited by leading firms like Trail of Bits and Spearbit.
Formal Verification
Method
Trail of Bits
Audit Partner
benefits
DELIVERING TANGIBLE VALUE
Business Outcomes: Beyond Technical Build
Our zk-Rollup Credit Aggregation Layer delivers more than just code. We architect solutions that drive measurable business growth, reduce operational risk, and create sustainable competitive advantages for your fintech or DeFi platform.
01
Accelerated Time-to-Market
Deploy a production-ready, secure credit layer in under 6 weeks, not months. Our battle-tested zk-Rollup templates and modular components eliminate foundational R&D, letting you focus on product-market fit and user acquisition.
< 6 weeks
To Production
90%
Faster than In-House
02
Provably Secure & Compliant Infrastructure
Build on a foundation of trust. Every component, from the zk-SNARK circuits to the settlement contracts, undergoes rigorous third-party audits (e.g., Trail of Bits, Quantstamp) and follows financial-grade security protocols, ensuring regulatory readiness and user confidence.
100%
Audit Coverage
SOC 2
Compliance Framework
03
Dramatic Reduction in Operational Costs
Slash your mainnet gas fees by over 99% by batching thousands of credit operations into a single zk-proof. Achieve sub-cent transaction costs, enabling micro-credit and new, previously unsustainable business models.
> 99%
Gas Cost Reduction
Sub-cent
Per Operation Cost
04
Scalable, Institutional-Grade Performance
Support millions of users and billions in TVL without compromising performance. Our architecture delivers sub-second finality for on-chain settlement and can process thousands of credit transactions per second (TPS), scaling linearly with demand.
2,000+
Transactions/sec
< 1 sec
Settlement Finality
05
Future-Proof Interoperability
Avoid vendor lock-in and ecosystem silos. Our layer is designed for multi-chain deployment (Ethereum, Arbitrum, Polygon, etc.) and seamless integration with existing DeFi primitives (AAVE, Compound), protecting your long-term strategic flexibility.
5+
Supported L1/L2s
Plug-and-Play
DeFi Integration
06
Dedicated Expert Partnership
You get more than a vendor; you gain a technical co-pilot. Our team of protocol engineers and cryptographers provides ongoing support, protocol upgrades, and strategic guidance, ensuring your infrastructure evolves with the ecosystem.
24/7
Protocol Support
10+ years
Avg. Team Experience
Structured Roadmap for zk-Rollup Credit Aggregation
Phased Development Tiers
A modular approach to building a secure, scalable credit aggregation layer. Choose the tier that matches your current development phase and scale.
| Feature / Deliverable | Phase 1: Core Protocol | Phase 2: Production Scaling | Phase 3: Enterprise Network |
|---|---|---|---|
Custom zk-Rollup Circuit Design | |||
Credit Scoring & Risk Model Integration | Basic Model | Advanced ML Models | Custom, On-Chain Verifiable |
On-Chain Credit Registry (ERC-3525/ERC-721) | |||
Cross-Chain Asset Bridging (LayerZero/Wormhole) | |||
Real-Time Oracle Feeds (Chainlink/Pyth) | Price Feeds | Price + Identity Feeds | Custom Data Feeds |
Liquidity Pool & Lending Module | Basic AMM | Isolated Lending Pools | Permissioned Institutional Pools |
Prover Infrastructure & Batch Submission | Centralized Prover | Decentralized Prover Network | Multi-Prover, Geo-Redundant |
Smart Contract Audit Coverage | Core Contracts | Full Stack + Economic Audit | Continuous Audit & Bug Bounty |
Developer Support & Time to Launch | 8-12 weeks | 12-16 weeks | 16-24 weeks |
Estimated Development Cost | $80K - $150K | $150K - $300K | Custom Quote |
how-we-deliver
A PREDICTABLE, AUDITABLE PATH TO PRODUCTION
Our Delivery Process: From Design to Mainnet
We deliver your zk-Rollup Credit Aggregation Layer on a fixed timeline with transparent milestones. This structured, four-phase approach minimizes technical risk and ensures your product launches with enterprise-grade security and performance.
01
Phase 1: Architecture & Design
We define the system architecture, tokenomics, and integration points for your credit layer. Deliverables include a technical specification, circuit design for zero-knowledge proofs, and a detailed integration plan with your existing systems.
2-3 weeks
Delivery Time
1
Finalized Spec
02
Phase 2: Core Protocol Development
Our team builds the core smart contracts (Solidity 0.8+) and zk-SNARK circuits (Cairo/Noir). This includes the state transition logic, proof verification, and data availability layer, all following OpenZeppelin security patterns.
4-6 weeks
Delivery Time
100%
Test Coverage
03
Phase 3: Security & Audit
Every component undergoes rigorous internal testing and a formal audit by a top-tier security firm like Spearbit or Code4rena. We provide a full vulnerability report and implement all critical fixes before deployment.
3-4 weeks
Audit Cycle
0
Critical Issues at Launch
04
Phase 4: Deployment & Integration
We deploy the verified contracts to your chosen testnet and mainnet (Ethereum, Arbitrum, etc.), configure the sequencer/prover infrastructure, and provide SDKs for seamless frontend and backend integration.
1-2 weeks
Go-Live Time
99.9%
Uptime SLA
security
FULL-STACK ENGINEERING
Custom Blockchain Development
Build secure, scalable blockchain networks and applications tailored to your specific business logic.
We architect and deploy custom private or consortium blockchains using frameworks like Hyperledger Fabric and EVM-based chains. Our full-stack development covers everything from core consensus mechanisms to end-user dApps.
- Core Protocol Design: Custom
smart contractlogic, token standards (ERC-20,ERC-721), and governance models. - Node Infrastructure: Managed validator networks with 99.9% uptime SLAs and multi-cloud deployment.
- Integration Layer: Secure APIs and oracles to connect your blockchain with existing enterprise systems and data feeds.
Go from concept to a production-ready MVP in 4-6 weeks. We provide ongoing protocol upgrades, security monitoring, and developer support.
zk-Rollup Credit Aggregation
Frequently Asked Questions
Get clear answers on implementation, security, and support for your custom credit layer.
A standard deployment, from initial design to mainnet launch, takes 6-10 weeks. This includes 2 weeks for architecture and circuit design, 3-4 weeks for core development and integration, 1-2 weeks for internal security review, and 2 weeks for client testing and deployment. Complex integrations (e.g., multi-chain asset bridging) can extend this timeline.
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