We architect and deploy custom smart contracts on EVM and Solana that power your core business logic. Our development process ensures security-first design, gas optimization, and regulatory compliance from day one.
LABS
Services
Privacy-Preserving License Verification
We build custom smart contract systems that verify user licenses or credentials using zero-knowledge proofs. Your platform stays compliant while protecting user identity and data.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Full Lifecycle Development: From audit-ready
Solidity 0.8+orRustcode to mainnet deployment and upgrade management. - Security Guarantee: All contracts undergo rigorous internal review and are built with
OpenZeppelinstandards, preparing them for formal audits. - Measurable Outcomes: Achieve >99.9% uptime, sub-5-second finality, and gas costs reduced by up to 40% through optimized patterns.
Deploy a secure, auditable MVP in as little as 2 weeks, eliminating months of internal R&D and security risk.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our ZK Verification Systems
Our zero-knowledge proof systems are engineered for production, delivering verifiable trust without exposing sensitive data. We provide the cryptographic infrastructure to power compliant, private, and scalable license verification.
benefits
TANGIBLE BUSINESS IMPACT
Business Outcomes: Beyond Technical Implementation
Our privacy-preserving license verification delivers more than just secure code. We architect solutions that drive measurable business growth, reduce operational overhead, and build lasting trust with your users.
01
Monetize New Revenue Streams
Enable pay-per-use, subscription, or time-based licensing models directly on-chain. Automate royalty collection with zero manual reconciliation, unlocking recurring revenue from digital assets and software.
100%
Automated Royalty Collection
0
Manual Reconciliation
02
Eliminate Piracy & Revenue Leakage
Prove ownership and validity without exposing sensitive data. Our zero-knowledge proofs prevent unauthorized use, protecting your IP and ensuring you capture 100% of owed revenue.
Zero-Knowledge
Proofs for Privacy
100%
IP Protection
03
Reduce Operational Costs by 70%+
Replace manual license key generation, distribution, and validation with automated, self-executing smart contracts. Slash support tickets and administrative overhead associated with traditional DRM.
70%+
Cost Reduction
Automated
Compliance
04
Accelerate Time-to-Market
Leverage our battle-tested, modular verification architecture. Go from concept to live deployment in weeks, not months, with pre-audited components for common licensing logic.
< 4 weeks
To Production
Pre-Audited
Core Modules
05
Build Trust with Enterprise Clients
Provide cryptographically verifiable audit trails for license usage and compliance. Offer enterprise clients transparent, tamper-proof reporting that meets their security and governance standards.
Tamper-Proof
Audit Trail
Enterprise-Grade
Compliance
06
Future-Proof Your Licensing Model
Our architecture is protocol-agnostic and upgradeable. Seamlessly integrate new chains, adapt to changing regulations, and add features like transferable licenses without disrupting service.
Protocol-Agnostic
Design
Gas-Optimized
Upgrade Path
Total Cost of Ownership Analysis
Build vs. Buy: Why a Custom ZK System Outperforms Generic KYC
A detailed comparison of developing a custom Zero-Knowledge identity system versus using a generic KYC provider for privacy-preserving license verification.
| Factor | Generic KYC Provider | Chainscore Custom ZK System |
|---|---|---|
Time to Integrate & Launch | 2-4 weeks | 4-8 weeks |
Proof Generation Latency | 500ms - 2s | < 100ms |
Proof Verification Cost | $0.05 - $0.15 per check | $0.001 - $0.005 per check |
Data Privacy & Sovereignty | Provider controls data | User retains full control |
Custom Logic for Licenses | ||
On-Chain Verification | ||
Regulatory Compliance (e.g., GDPR) | Complex delegation | Built-in by design |
Annual Maintenance Cost | $50K - $200K+ | $25K - $75K (optional SLA) |
Total 3-Year Cost | $200K - $800K+ | $75K - $225K |
how-we-deliver
PREDICTABLE, AUDITABLE, SECURE
Our Delivery Process: From Specification to Mainnet
A transparent, milestone-driven framework designed for CTOs who need certainty. We deliver production-ready, privacy-preserving verification systems with clear deliverables at each stage.
01
1. Specification & Architecture Design
We translate your business logic into a detailed technical specification. This includes selecting the optimal zero-knowledge proof framework (e.g., Circom, Halo2), defining the on-chain/off-chain data flow, and finalizing the smart contract architecture.
1-2 weeks
Typical Timeline
100%
Requirement Sign-off
02
2. Circuit Development & Off-Chain Prover
Our cryptography engineers build the core ZK circuits to verify license credentials without revealing underlying data. We develop the off-chain prover service for generating succinct, verifiable proofs of compliance.
Circom/Halo2
Circuit Framework
< 100ms
Proof Generation Target
03
3. Smart Contract & On-Chain Verifier
Deployment of gas-optimized, auditable smart contracts that act as the on-chain verifier. Contracts validate ZK proofs against your business rules, enabling permissionless, trust-minimized license checks.
Solidity 0.8+
Language
OpenZeppelin
Security Base
04
4. Security Audit & Formal Verification
Every system undergoes rigorous internal review followed by an external audit from a leading security firm. Critical circuits and contracts receive formal verification to mathematically guarantee correctness.
External Audit
Mandatory Step
Formal Verification
For Core Logic
05
5. Integration SDK & Developer Tools
We deliver a lightweight SDK (TypeScript/Go) for seamless integration into your existing platform. Includes comprehensive documentation, example implementations, and a local testnet environment.
TypeScript/Go
SDK Language
Full Docs
Included
06
6. Mainnet Deployment & Monitoring
Managed deployment to your chosen Ethereum L2 or mainnet. We establish monitoring dashboards for proof generation latency, contract gas costs, and system health, ensuring operational transparency.
L2/Mainnet
Deployment Target
24/7 Monitoring
Post-Launch Support
Transparent, Predictable Delivery
Typical 6-8 Week Delivery Timeline
A structured roadmap for implementing a secure, on-chain license verification system. Our phased approach ensures rapid deployment with enterprise-grade security.
| Phase & Deliverables | Week 1-2 | Week 3-4 | Week 5-6 | Week 7-8 |
|---|---|---|---|---|
Discovery & Architecture | Requirements analysis, system design | |||
Core Smart Contract Development | Audited license registry & verification logic | Integration hooks & upgradeability | ||
Zero-Knowledge Proof Integration | ZK-SNARK circuit design for privacy | Circuit implementation & testing | ||
Frontend & API Layer | Admin dashboard & public verification portal | API documentation & SDKs | ||
Security Audit & Testing | Internal review & unit testing | Third-party audit & penetration testing | ||
Deployment & Go-Live | Multi-chain deployment & production launch | |||
Post-Launch Support | 30-day monitoring & support period |
Privacy-Preserving License Verification
Frequently Asked Questions
Get clear answers on how our zero-knowledge verification service integrates, scales, and secures your digital asset licensing.
Our system uses zero-knowledge proofs (ZKPs) to verify license ownership without revealing the underlying data. We deploy a custom zk-SNARK circuit that validates a user's license credentials against your on-chain registry. The user submits a proof, and our smart contract verifies it in a single transaction, confirming validity while keeping the license ID and user wallet private. This ensures compliance without compromising user anonymity.
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