We architect and deploy mission-critical Solidity/Rust contracts with a focus on security-first development. Every line of code follows OpenZeppelin standards and undergoes rigorous internal audits before third-party review.
LABS
Services
On-Chain Identity Verification System
We build secure, portable identity layers for regulated DeFi and NeoBanks, linking verified real-world identities to blockchain addresses using attestations and soulbound tokens (SBTs).
Chainscore © 2026
overview
CORE ENGINEERING
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
Deliver a battle-tested, gas-optimized foundation in weeks, not months.
- Full Lifecycle Support: From specification and
Hardhat/Foundrydevelopment to deployment, verification, and monitoring. - Protocol Specialization: Custom
ERC-20,ERC-721, staking systems, multi-sig wallets, and upgradeable proxy patterns. - Guaranteed Quality: All contracts include comprehensive unit/integration tests and detailed technical documentation.
key-features-cards
ARCHITECTURE & DELIVERABLES
Core System Capabilities
Our on-chain identity verification system is engineered for production-grade reliability, security, and seamless integration. We deliver audited, modular components that accelerate your compliance and user onboarding.
01
Modular Identity Protocol
Deploy a custom identity layer using ERC-725/ERC-735 standards or our proprietary framework. Supports selective disclosure, credential revocation, and multi-chain attestations.
ERC-725/735
Standards
< 3 weeks
Integration
02
Zero-Knowledge Proof Integration
Implement privacy-preserving verification with zk-SNARKs (Circom) or zk-STARKs. Users prove eligibility (e.g., KYC status, accreditation) without exposing raw data.
zk-SNARKs/STARKs
Framework
< 500ms
Proof Generation
03
Automated Compliance Engine
Pre-built connectors for major KYC/AML providers (e.g., Sumsub, Onfido) with on-chain rule enforcement. Automate sanctions screening and risk scoring.
99.9%
Uptime SLA
Sumsub, Onfido
Integrations
04
Cross-Chain Identity Resolution
Sovereign identity profiles that persist across EVM, Solana, and Cosmos ecosystems via CCIP or LayerZero. Maintain a unified reputation layer.
EVM, Solana, Cosmos
Networks
CCIP/LayerZero
Protocol
05
Real-Time Monitoring & Alerts
Dashboard and webhook system for tracking verification status, fraud signals, and credential expiration. SOC 2-compliant audit logs.
SOC 2
Compliance
Real-time
Alerts
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our on-chain identity verification system delivers measurable results that directly impact your platform's security, compliance, and user experience.
01
Regulatory Compliance & KYC/AML
Integrate automated, auditable KYC/AML workflows that meet global standards (FATF Travel Rule, MiCA). Reduce manual review overhead by 70% while maintaining a complete compliance audit trail on-chain.
70%
Manual Review Reduction
FATF/MiCA
Compliance Standards
02
Sybil-Resistant User Acquisition
Eliminate fake accounts and bot farms with our zero-knowledge proof-based verification. Enable fair airdrops, governance, and loyalty programs by ensuring one identity per human, increasing genuine user engagement by up to 40%.
>99%
Sybil Attack Prevention
40%
Genuine Engagement Lift
03
Frictionless Onboarding & Conversion
Deploy a modular verification flow that reduces user drop-off. Our reusable credential system (ERC-725/ERC-1056) allows users to verify once and access multiple dApps, cutting onboarding time from minutes to seconds.
< 30 sec
Average Onboarding Time
85%
Onboarding Completion Rate
05
Real-Time Risk Scoring & Monitoring
Continuously assess user risk with on-chain behavior analysis and off-chain data oracles. Automatically flag high-risk transactions for review, reducing fraud losses and operational costs.
Real-Time
Risk Assessment
60%
Fraud Loss Reduction
06
Scalable Infrastructure & 99.9% Uptime
Deploy on a battle-tested, horizontally scalable node infrastructure. We guarantee 99.9% uptime SLA with multi-chain support (EVM, Solana, Cosmos), ensuring your verification service is always available.
99.9%
Uptime SLA
Multi-Chain
EVM, Solana, Cosmos
The Infrastructure Decision Matrix
Build vs. Buy vs. Chainscore
A clear comparison of the time, cost, and risk involved in developing, licensing, or partnering for a production-ready on-chain identity system.
| Key Factor | Build In-House | Buy (Generic Vendor) | Chainscore |
|---|---|---|---|
Time to Production | 6-12+ months | 3-6 months | 4-8 weeks |
Initial Development Cost | $250K - $750K+ | $50K - $150K (license + integration) | $75K - $200K (custom build) |
Security & Audit Burden | High (Your team's responsibility) | Medium (Vendor's generic audit) | Low (Custom audit by our partners) |
Protocol Flexibility | Full control, high complexity | Limited to vendor's roadmap | Tailored to your stack (EVM, Solana, etc.) |
Ongoing Maintenance | 2-3 FTE engineers | Annual license + vendor support fees | Optional SLA with 24/7 monitoring |
Compliance Features (KYC/AML) | Build from scratch or integrate 3rd party | Often an add-on module | Built-in, customizable rule engine |
Sybil Resistance Methods | Research & implement novel techniques | Basic, one-size-fits-all | Multi-layered (proof-of-personhood, social graph, stake) |
Total Cost of Ownership (Year 1) | $500K - $1M+ | $150K - $300K | $100K - $250K |
how-we-deliver
END-TO-END DELIVERY
Our Development & Integration Process
A structured, security-first approach to deploying a compliant on-chain identity layer. We manage the entire lifecycle from architecture to production, ensuring rapid integration and enterprise-grade reliability.
01
Architecture & Protocol Selection
We design your system architecture and select the optimal identity standard (ERC-725, ERC-1056, Verifiable Credentials) based on your use case, compliance needs, and target chains (EVM, Solana, Cosmos).
5+
Supported Standards
< 1 week
Design Sprint
02
Smart Contract Development & Auditing
Our team writes gas-optimized, upgradeable smart contracts in Solidity 0.8+ or Rust. Every contract undergoes a mandatory security audit, either internal review by senior engineers or a formal audit with partners like CertiK or OpenZeppelin.
100%
Audit Coverage
Zero
Critical Bugs Shipped
03
Off-Chain Verifier & API Development
We build the secure off-chain verification service (Node.js/Python) that handles KYC checks, biometric verification, and credential issuance. This includes a fully documented REST/GraphQL API for seamless integration with your frontend.
< 200ms
API Latency
SOC 2
Compliant Hosting
04
SDK & Frontend Integration
Receive a lightweight, type-safe SDK (JavaScript/TypeScript) and React component library for wallet connection, credential requests, and proof generation. We provide direct engineering support for integration into your dApp.
< 2 days
Integration Time
WalletConnect v2
Native Support
05
Staging Deployment & Testing
We deploy the complete system to a staging environment on your chosen testnet (Sepolia, Amoy) or a private network. This phase includes load testing, user acceptance testing (UAT), and a full security penetration test on the live deployment.
99.9%
Staging Uptime SLA
1000+ TPS
Load Tested
06
Production Launch & Monitoring
We manage the mainnet deployment, configure real-time monitoring with alerts (Datadog, Sentry), and establish incident response protocols. Clients receive a 24/7 dashboard for system health and credential analytics.
24/7
Monitoring
99.95%
Production Uptime SLA
Structured, predictable delivery for your on-chain identity layer
Typical 8-Week Delivery Timeline
A clear roadmap from initial design to production deployment, showing key deliverables and milestones for our On-Chain Identity Verification System.
| Phase & Key Deliverables | Week 1-2 | Week 3-4 | Week 5-6 | Week 7-8 |
|---|---|---|---|---|
Discovery & Architecture | Requirements & System Design | Smart Contract Specification | Integration API Design | |
Core Development | Registry & Issuer Contracts | Verifier & ZK Proof Logic | Governance & Upgrade Mechanisms | Full Test Suite |
Security & Audit | Internal Review & Testing | External Audit (Optional) | Audit Remediation | Final Security Sign-off |
Deployment & Integration | Testnet Deployment | Mainnet Deployment & Monitoring | ||
Client Handoff | Documentation & Admin UI | Training & Support Onboarding |
Technical & Commercial Details
On-Chain Identity Verification FAQs
Get clear answers on implementation, security, and ROI for our enterprise-grade identity verification system.
Standard deployment takes 2-4 weeks from kickoff to production. This includes integration with your existing KYC/AML stack, smart contract deployment, and a 1-week pilot with test users. Complex multi-chain or custom compliance rule deployments may extend to 6-8 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