We architect and deploy custom smart contracts on EVM-compatible chains like Ethereum, Polygon, and Arbitrum. Our development process is built for security and speed, delivering a 2-week MVP or a full production system in 4-6 weeks.
LABS
Services
Privacy-Centric Zero-Knowledge Scoring
Deploy AI-powered credit models where the inference and user data remain cryptographically private. We build ZK-SNARK/STARK circuits that output a score without revealing the underlying behavior or model logic.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Security-First Development: Code written in
Solidity 0.8+using OpenZeppelin libraries, followed by mandatory audits from top firms like Quantstamp or CertiK. - Standard & Custom Logic: From foundational
ERC-20,ERC-721, andERC-1155tokens to complex DeFi primitives, governance systems, and cross-chain bridges. - Full Lifecycle Support: We handle deployment, verification on Etherscan, and provide comprehensive documentation for your team.
Reduce your time-to-market and technical risk with battle-tested contracts that power real user transactions.
key-features-cards
ENGINEERED FOR TRUST
Core Technical Capabilities
Our privacy-centric scoring is built on a foundation of verifiable cryptography and enterprise-grade infrastructure. We deliver auditable, high-performance systems that integrate seamlessly into your existing stack.
02
On-Chain Data Aggregation
Automated ingestion and normalization of wallet history, DeFi positions, and NFT holdings across EVM chains (Ethereum, Polygon, Arbitrum). We structure on-chain behavior into a unified scoring model.
10+
Chains Supported
Real-time
Data Sync
03
Custom Scoring Model Development
Tailored algorithms that weight transaction history, asset diversity, and protocol interactions based on your specific risk tolerance and product requirements. Not a one-size-fits-all solution.
50+
On-Chain Signals
Fully Custom
Model Logic
05
API-First Integration
RESTful and WebSocket APIs for real-time score requests, historical analysis, and webhook alerts. Includes comprehensive SDKs for Node.js, Python, and Go for rapid deployment.
< 100ms
API Latency P99
3+
SDK Languages
benefits
DELIVERABLES
Business Outcomes for Your Product
Our privacy-centric zero-knowledge scoring delivers verifiable trust without exposing sensitive user data. See the measurable impact on your product's growth and compliance.
01
Regulatory-Compliant Onboarding
Implement KYC/AML checks using ZK proofs, allowing users to prove eligibility without revealing personal data. Reduces compliance overhead while expanding your addressable market.
0%
Data Liability
SEC Rule 506(c)
Compliance
02
Enhanced DeFi Creditworthiness
Enable undercollateralized lending by proving credit history and on-chain reputation via ZK proofs. Increases TVL and user retention for lending protocols.
40-60%
LTV Increase
zkEVM
Compatible
03
Private Reputation for DAOs & Social
Assign and verify contribution scores, governance participation, and social graph connections privately. Drives engagement and reduces sybil attacks without surveillance.
>90%
Sybil Resistance
Circom, Noir
Circuit Tech
04
Secure Institutional Gateways
Create whitelisted access for accredited investors and institutions using verifiable credentials. Facilitates high-value capital inflows with institutional-grade security.
SOC 2
Framework
W3C VC
Standard
05
Scalable Proof Generation
Leverage our optimized proving infrastructure for high-throughput applications. Ensures sub-second proof generation for real-time user experiences at scale.
< 1 sec
Proof Time
99.9%
Uptime SLA
06
Custom Schema & Circuit Design
Tailor ZK scoring logic to your specific use case—from gaming achievements to professional credentials. We deliver production-ready circuits audited for security.
2-4 weeks
Development
Halborn
Audit Partner
Structured Implementation Path
Phased Development Tiers
A modular approach to building your privacy-centric scoring system, from proof-of-concept to full-scale production.
| Feature / Deliverable | Proof of Concept | Production MVP | Enterprise Scale |
|---|---|---|---|
Custom ZK Circuit Design & Audit | |||
On-Chain Verifier Smart Contracts | Single Chain | Multi-Chain (2) | Multi-Chain (5+) |
API Gateway & Integration SDK | Basic REST | Full-featured SDK | Dedicated Gateway Instance |
Data Connector Modules | 1 Source (e.g., On-chain) | 3 Sources | Unlimited Custom Sources |
Uptime SLA & Monitoring | Best Effort | 99.5% | 99.9% |
Technical Support & Response Time | Email (72h) | Slack Priority (24h) | Dedicated Engineer (4h) |
Compliance & Privacy Review | Basic Report | Full Audit Trail & Attestation | |
Implementation Timeline | 2-4 weeks | 6-10 weeks | 12+ weeks |
Typical Engagement | $25K - $50K | $75K - $150K | Custom Quote |
use-cases
INDUSTRY-SPECIFIC SOLUTIONS
Target Applications & Verticals
Our privacy-centric zero-knowledge scoring infrastructure is purpose-built for high-stakes financial and identity applications where data sensitivity and regulatory compliance are non-negotiable.
01
Decentralized Credit & Lending
Enable underwriting for DeFi loans without exposing user transaction history or wallet balances. Our ZK proofs verify creditworthiness while preserving financial privacy.
Zero Leakage
Data Exposure
< 500ms
Proof Generation
02
Compliant On-Chain KYC/AML
Verify user identity and screen against sanctions lists using ZK proofs. Issue reusable attestations for regulated DeFi and CeFi platforms, ensuring full auditability.
FATF Travel Rule
Compliance
Reusable Proofs
User Experience
03
Institutional-Grade Risk Scoring
Provide real-time, multi-factor risk assessment for treasury management, custody services, and institutional trading desks. All analysis occurs off-chain; only the verified score is published.
Real-Time
Assessment
Multi-Factor
Model Inputs
04
Sybil-Resistant Airdrops & Incentives
Distribute tokens and rewards based on genuine user activity and contribution. Our ZK scoring prevents farming by bots and duplicate wallets while keeping user graphs private.
> 99%
Sybil Detection
Private Graphs
User Data
05
Reputation-Based Governance
Weight DAO voting power or access to premium features using provable, private reputation scores derived from on-chain history, contributions, and peer attestations.
Collusion-Resistant
Design
Transparent Logic
Verifiable Proofs
06
Secure Workforce & Partner Vetting
For DAOs and Web3 enterprises: verify team member credentials, contribution history, and security clearance using ZK proofs, enabling secure role-based access control.
Role-Based
Access Control
Credential Proofs
Verification Method
how-we-deliver
SECURE & AUDITED
Smart Contract Development
Enterprise-grade smart contracts built for security, scalability, and real-world utility.
We architect and deploy production-ready smart contracts that form the core logic of your Web3 application. Our process ensures security and reliability from day one.
- Full-Stack Development: From
ERC-20tokens andERC-721NFTs to complex DeFi protocols and DAO governance systems. - Security-First Approach: Built with OpenZeppelin standards, automated testing, and formal verification where required.
- Gas Optimization: Every contract is optimized for minimum transaction costs and maximum efficiency on-chain.
We deliver audited, battle-tested code that reduces your time-to-market and mitigates critical security risks.
Our development lifecycle includes:
- Requirement Analysis & Architecture Design
- Iterative Development with Testnet Deployment
- Comprehensive Security Audits (internal + third-party)
- Mainnet Deployment & Post-Launch Support
Privacy-Centric Zero-Knowledge Scoring
Frequently Asked Questions
Get clear answers on how we build secure, verifiable scoring systems that protect user data.
A production-ready, audited ZK scoring system typically takes 8-12 weeks from initial design to mainnet deployment. This includes 2-3 weeks for circuit design and specification, 3-4 weeks for core development and integration, and 2-3 weeks for comprehensive security audits and testing. We provide a detailed project plan with weekly milestones.
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