We architect and deploy secure, auditable smart contracts that form the core of your Web3 application. Our focus is on gas-optimized logic, upgradeable patterns, and comprehensive security audits to protect your assets and users.
LABS
Services
EVM zkCredit Scoring Engine
A complete, audited smart contract system for Solidity-based chains that calculates, updates, and privately attests to user credit scores using zero-knowledge proofs.
Chainscore © 2026
overview
SECURE & AUDITED
Smart Contract Development
Production-ready smart contracts built for security, gas efficiency, and seamless integration.
- Custom Development: From
ERC-20tokens andERC-721NFTs to complex DeFi protocols and DAO governance systems. - Security-First: Built with
OpenZeppelinlibraries and hardened through manual review and automated analysis tools. - Full Audit Support: Includes formal verification reports and remediation guidance from leading firms like CertiK or Quantstamp.
- Deployment & Management: End-to-handle deployment on
EVM-compatible chains (Ethereum, Polygon, Arbitrum) with scripts for verification and monitoring.
Deliver a secure, audited foundation for your product in as little as 4-6 weeks, reducing time-to-market and technical risk.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Engine Capabilities
Our EVM zkCredit Scoring Engine is built on battle-tested components, delivering verifiable, on-chain credit assessments with institutional-grade security and performance.
benefits
ENTERPRISE-GRADE INFRASTRUCTURE
Why Build With Our zkCredit Engine
Deploy a production-ready, privacy-first credit scoring engine for EVM chains. Our solution is built for FinTechs and Web3 platforms that require verifiable, on-chain creditworthiness without exposing sensitive user data.
01
Zero-Knowledge Privacy by Default
Generate credit scores and risk assessments without exposing raw financial data. Users prove their creditworthiness with ZK proofs, enabling compliant DeFi lending, under-collateralized loans, and identity verification.
ZK-SNARKs
Proof System
No Raw Data
On-Chain
02
Multi-Chain EVM Compatibility
Deploy the same credit logic across Ethereum, Polygon, Arbitrum, Base, and other EVM L2s. Our engine abstracts chain-specific complexity, providing a unified API for cross-chain credit portability.
10+
Supported Chains
Single API
Integration
03
Audited & Gas-Optimized Contracts
Core scoring logic and proof verifiers are built with Solidity 0.8+ and OpenZeppelin, then audited by leading security firms. We deliver contracts with sub-100k gas for verification calls.
< 100k gas
Verification Cost
Security Audited
Guarantee
04
Customizable Scoring Models
Tailor risk algorithms using on-chain history (wallet transactions, NFT holdings, DeFi activity) and permissioned off-chain data. We provide SDKs to build, test, and deploy your proprietary models.
Flexible SDK
Model Builder
On/Off-Chain
Data Sources
05
Enterprise SLAs & 24/7 Monitoring
Production deployment includes 99.9% uptime SLA, real-time health dashboards, and alerting for proof generation latency. We manage infrastructure so your team focuses on product.
99.9%
Uptime SLA
< 2s
P95 Latency
06
Rapid Integration & Developer Support
Go from POC to production in weeks, not months. We provide comprehensive documentation, example dApps, and direct engineering support for integration troubleshooting.
< 4 weeks
To Production
Dedicated Support
Engineer Access
Choose Your Path to Production
Implementation Tiers & Deliverables
Compare our structured implementation packages for the EVM zkCredit Scoring Engine, designed to match your project's scale, timeline, and compliance requirements.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
zkCredit Core Smart Contracts | |||
Custom Scoring Logic Integration | Basic Model | Advanced ML Models | Fully Custom & Proprietary |
On-Chain Data Oracle Setup | Public Feeds Only | Custom + Private Feeds | Multi-Source Aggregation |
Full Security Audit Report | 1 Major Firm | 2 Major Firms + Internal | 2 Major Firms + Bug Bounty Program |
Deployment & Configuration | Mainnet + 1 Testnet | Multi-Chain (Up to 3) | Full Multi-Chain Suite + Private L2 |
Integration Support | Documentation & Examples | Direct Dev Support (2 weeks) | Dedicated Technical Lead |
Uptime & Performance SLA | 99.5% | 99.9% | |
Incident Response Time | Business Hours | 12 Hours | 4 Hours |
Ongoing Model Updates | Manual | Semi-Automated (Quarterly) | Fully Automated + Governance |
Estimated Timeline | 4-6 Weeks | 8-12 Weeks | 12+ Weeks (Custom) |
Starting Price | $75,000 | $200,000 | Custom Quote |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom smart contracts that form the backbone of your protocol. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive testing frameworks to ensure robust, gas-optimized code.
- Full-Stack Development: From
ERC-20tokens andERC-721NFTs to complex DeFi logic and DAO governance systems. - Security & Audits: All contracts undergo internal audits and are prepared for third-party review by firms like ConsenSys Diligence or CertiK.
- Gas Optimization: We reduce transaction costs by 20-40% through efficient coding patterns and storage optimization.
Deploy a secure, audited smart contract suite in as little as 4 weeks, from initial spec to testnet launch.
tech-stack
ENTERPRISE-GRADE ARCHITECTURE
Built on Proven, Secure Foundations
Our zkCredit Scoring Engine is engineered for production, combining battle-tested cryptographic primitives with institutional-grade security and reliability.
EVM zkCredit Scoring Engine
Frequently Asked Questions
Get clear, technical answers about our zero-knowledge credit scoring infrastructure for on-chain lending.
A standard deployment of our modular zkCredit Scoring Engine takes 4-6 weeks from kickoff to mainnet launch. This includes 2 weeks for data schema design and circuit logic, 1-2 weeks for development and integration with your existing smart contracts, and 1-2 weeks for security audits and testing. Complex requirements like custom reputation models or multi-chain deployments may extend this timeline, which we scope and quote for 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