We architect, develop, and audit custom Solidity/Rust smart contracts that form the immutable backbone of your protocol. Our process ensures zero critical vulnerabilities before mainnet deployment.
LABS
Services
Age & Restriction Proof Identity Verifier
We build cryptographic verification systems that confirm user eligibility (age, jurisdiction) without revealing their full identity. Deploy compliant, privacy-first checks for DeFi, gaming, and social platforms.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists.
- Full Lifecycle Development: From specification and
OpenZeppelinintegration to deployment and upgrade management. - Security-First: Rigorous audits using static analysis, fuzzing, and formal verification methods.
- Gas Optimization: Expert tuning for up to 40% lower transaction costs on EVM chains.
- Comprehensive Testing: Unit, integration, and fork-testing against live networks.
Deploy with confidence. We deliver battle-tested contracts for DeFi, NFTs, DAOs, and enterprise applications, ensuring functional integrity and asset security from day one.
key-features-cards
ENTERPRISE-GRADE IDENTITY INFRASTRUCTURE
Core Capabilities of Our Verifier Systems
Our modular, on-chain verifier systems provide the foundational trust layer for compliant Web3 applications, enabling you to integrate age and restriction proofs without rebuilding your identity stack.
01
On-Chain Proof Verification
Verify user credentials like age or location directly on-chain with zero-knowledge proofs. Our verifiers are built on industry standards (e.g., Iden3, Polygon ID) for maximum interoperability and privacy.
< 500ms
Average Verification Time
Zero-Knowledge
Privacy Standard
02
Modular Smart Contract SDK
Integrate our pre-audited, upgradeable smart contract verifiers in days, not months. Includes Solidity libraries for ERC-6150, custom gating logic, and multi-chain deployment support.
< 2 weeks
Typical Integration
OpenZeppelin
Security Foundation
03
Compliance-First Architecture
Designed for regulatory adherence with configurable rule engines for global KYC/AML and age-gating requirements. Maintain a full audit trail of verification events for compliance reporting.
GDPR/CCPA
Data Privacy Built-in
Immutable Logs
Audit Trail
04
High-Availability Relay Network
Ensure 24/7 uptime for your verification services with our globally distributed relay network. Handles proof generation, batching, and gas optimization for seamless user experience.
99.9%
Uptime SLA
< $0.01
Avg. Cost per Verify
05
Real-Time Monitoring & Analytics
Gain visibility into verification metrics, fraud patterns, and system health through a dedicated dashboard. Set alerts for anomalous activity and generate compliance reports on-demand.
Real-Time
Dashboard Updates
Custom Alerts
Fraud Detection
06
Multi-Chain & Cross-Chain Support
Deploy your verifier logic across Ethereum, Polygon, Arbitrum, Base, and other EVM-compatible chains. Our architecture supports state synchronization and proof portability across ecosystems.
10+
Supported Networks
Cross-Chain
Proof Portability
benefits
DELIVERING TANGIBLE ROI
Business Outcomes: Beyond Technical Implementation
Our Age/Restriction Proof Identity Verifier is engineered to deliver measurable business impact, from accelerating user onboarding to ensuring regulatory compliance and unlocking new revenue streams.
01
Accelerate User Onboarding
Reduce user verification time from days to seconds with our automated, privacy-preserving proof system. Eliminate manual KYC bottlenecks and drop-off rates to capture more users faster.
< 30 sec
Average Verification
90%
Reduced Drop-off
02
Guaranteed Regulatory Compliance
Deploy with confidence. Our verifier is built to meet global standards like GDPR, COPPA, and AML directives, providing an auditable, tamper-proof compliance trail.
Zero-Knowledge
Privacy Standard
GDPR/COPPA
Compliance Ready
03
Unlock New Revenue Streams
Safely launch age-gated services (gambling, alcohol, financial products) and token-gated experiences (NFTs, communities) with verified user eligibility, creating new monetization opportunities.
New Verticals
Market Access
Compliant
Revenue Generation
04
Reduce Fraud & Operational Cost
Mitigate fraud risk and slash manual review costs by over 70% with cryptographic proof of identity attributes. Our system prevents synthetic identities and document forgery.
> 70%
Cost Reduction
Near-Zero
Fraud Incidence
05
Future-Proof Architecture
Built on modular, interoperable standards (EIP-712, Verifiable Credentials). Seamlessly integrate with existing wallets (MetaMask, Coinbase) and adapt to evolving global regulations.
EIP-712
Core Standard
Modular
Design
06
Enterprise-Grade Security & SLAs
Production deployments come with 99.9% uptime SLAs, dedicated support, and comprehensive audit trails. Built with OpenZeppelin libraries and security-first development practices.
99.9%
Uptime SLA
24/7
Support
Tailored for Your Go-to-Market Timeline
Phased Development Packages
Choose the right package for your age/restriction proof identity verifier, from a foundational audit to a fully managed, production-ready system.
| Feature | Audit & Review | Core Implementation | Managed Launch |
|---|---|---|---|
Smart Contract Security Audit | |||
Gas Optimization Review | |||
Custom Integration SDK | |||
Multi-Chain Deployment (EVM) | |||
On-Chain Proof Registry Setup | |||
Production Monitoring & Alerting | |||
Compliance Dashboard (Beta Access) | |||
Dedicated Technical Support SLA | Business Hours | 24/7 | |
Typical Delivery Timeline | 2 weeks | 4-8 weeks | 8-12 weeks |
Estimated Investment | $15K - $25K | $50K - $100K | Custom Quote |
use-cases
COMPLIANCE BY DESIGN
Designed for Regulated Web3 Verticals
Our Age/Restriction Proof Identity Verifier is engineered from the ground up to meet the stringent compliance and operational demands of regulated industries. We deliver the cryptographic proof you need, without the regulatory risk.
process-walkthrough
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts for DeFi, NFTs, and enterprise applications. Our development process is built on Solidity 0.8+ with OpenZeppelin security patterns and comprehensive unit testing to ensure reliability from day one.
- Full Lifecycle Development: From ideation and architecture to deployment and post-launch monitoring.
- Security-First Approach: Every contract undergoes peer review and integration with tools like Slither and MythX.
- Gas Optimization: We write for efficiency, targeting 20-40% lower gas costs on common operations.
- Compliance Ready: Built-in support for ERC-20, ERC-721, ERC-1155 and custom standards for regulatory needs.
Deploy audited, battle-tested contracts in as little as 4 weeks, reducing your time-to-market and technical risk.
Age/Restriction Proof Identity Verifier
Frequently Asked Questions
Get clear answers on how our identity verification service integrates, scales, and secures your Web3 application.
Our service is a modular, API-first identity layer. Users submit credentials (e.g., government ID) to our secure, KYC-compliant partner. We cryptographically issue a zero-knowledge proof (ZKP) or a signed attestation to the user's wallet. Your smart contract or backend simply verifies this proof on-chain, confirming the user meets age or jurisdiction requirements without exposing their personal data. We support protocols like Semaphore, Sismo, and custom attestation schemas.
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