We architect and deploy production-ready smart contracts on EVM and Solana. Our code is built for security first, leveraging OpenZeppelin standards and comprehensive audit practices to protect your assets and users.
LABS
Services
Cross-Chain Payment KYC Gateway
A bridge-agnostic smart contract system that validates user KYC status across multiple chains. Enable compliant cross-chain swaps and payments without redundant verification on each network.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, gas-optimized smart contracts built by Web3-native engineers for production.
Deliver a secure, auditable foundation for your token, DeFi protocol, or NFT project in 2-4 weeks.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155with advanced minting, vesting, and governance modules. - DeFi Protocols: Automated Market Makers (AMMs), liquidity pools, staking, and yield vaults with gas optimization.
- Security & Audit: Pre-deployment review, formal verification, and integration with leading audit firms.
key-features-cards
ENTERPRISE-GRADE FOUNDATION
Core Architecture of Your KYC Gateway
Our modular, secure-by-design architecture provides the robust foundation for compliant cross-chain payments. Built for scale, security, and seamless integration with your existing stack.
01
Modular KYC/AML Engine
A pluggable compliance core supporting multiple verification providers (e.g., Sumsub, Jumio) and rule sets. Enables dynamic risk scoring and automated sanction screening across jurisdictions.
< 2 sec
Verification Time
99.9%
SLA
02
Non-Custodial Identity Layer
User-controlled, verifiable credentials (W3C VC standard) stored off-chain. Eliminates data silos, reduces liability, and enables portable KYC across dApps and chains.
Zero-Knowledge
Proofs
W3C Compliant
Standard
03
Cross-Chain Message Router
Intelligent routing layer using CCIP, LayerZero, and Wormhole for secure, atomic transmission of compliance status. Ensures proof-of-KYC travels with the transaction.
5+
Protocols Supported
< 1 sec
Message Finality
04
Smart Contract Policy Enforcer
On-chain access control contracts that gate transactions based on verified credentials. Deploy custom logic for whitelists, tiered limits, and jurisdiction-based rules.
Gas-Optimized
Solidity
OpenZeppelin
Audited
05
Real-Time Monitoring & Audit Trail
Comprehensive dashboard with real-time alerts for suspicious activity and immutable logs for all verification events. Simplifies regulatory reporting and internal audits.
24/7
Monitoring
GDPR Ready
Data Logs
06
Enterprise API Gateway
REST & GraphQL APIs with detailed documentation, SDKs, and webhook support. Designed for rapid integration into existing payment rails and fintech platforms.
< 2 weeks
Integration Time
TypeScript SDK
Included
benefits
DELIVERING TANGIBLE RESULTS
Business Outcomes: Faster Growth, Lower Risk
Our Cross-Chain Payment KYC Gateway is engineered to accelerate your market entry while systematically de-risking your compliance and operational processes. We deliver measurable outcomes, not just features.
01
Accelerated Market Entry
Deploy a fully compliant, multi-chain payment gateway in under 3 weeks, not months. We provide pre-audited smart contract modules and a production-ready API to integrate with your existing stack.
< 3 weeks
Time to Production
10+
Supported Chains
02
Compliance Risk Mitigation
Automated, real-time KYC/AML screening across all major blockchains. Our system is built with regulatory-grade logic, reducing manual review overhead by over 70% and providing a clear audit trail for regulators.
> 70%
Reduced Manual Review
Real-time
Screening Speed
03
Operational Cost Reduction
Eliminate the overhead of managing separate compliance vendors per chain. A single integration point consolidates monitoring, reporting, and fee management, cutting operational costs by up to 60%.
Up to 60%
Cost Reduction
1 API
Unified Integration
04
Enhanced User Trust & Onboarding
Streamlined, non-custodial KYC flow that verifies users in seconds without interrupting their transaction. Increase conversion rates by providing a secure, familiar compliance experience that builds institutional trust.
< 30 sec
User Verification
Non-custodial
User Data Model
05
Scalable, Future-Proof Architecture
Built on a modular architecture that easily adapts to new chains and regulatory requirements. Our gateway scales to handle millions of transactions daily with a 99.95% uptime SLA, ensuring reliability as you grow.
99.95%
Uptime SLA
Modular
Architecture
Scalable Implementation Path
Phased Development Tiers
A structured approach to deploying your cross-chain KYC gateway, from MVP to full-scale enterprise solution.
| Feature / Capability | Proof-of-Concept | Production-Ready | Enterprise Scale |
|---|---|---|---|
Supported Blockchains | Ethereum, Polygon | Ethereum, Polygon, Arbitrum, Base | EVM + Non-EVM (Solana, Cosmos SDK) |
KYC Verification Methods | Basic Document Check | Document + Liveness + Database Screening | Full Suite + Custom Compliance Rules |
Transaction Monitoring | Real-time AML Screening | Real-time AML with Risk Scoring & Reporting | |
Cross-Chain Messaging | Bridged (Centralized Relayer) | Bridged (Decentralized Validators) | Native (CCIP, LayerZero, Axelar) |
Smart Contract Audit | Automated Scan | Manual Audit + Formal Verification | Manual Audit + Bug Bounty Program |
Deployment & Integration | Single-Chain Demo | Multi-Chain SDK & API | White-Label Dashboard & Dedicated Support |
Uptime SLA / Support | Business Hours | 24/7 with 12h Response | 24/7 with 1h Response & Dedicated SRE |
Implementation Timeline | 2-4 weeks | 6-10 weeks | 12+ weeks (Custom) |
Estimated Investment | $15K - $30K | $50K - $120K | Custom Quote |
how-we-deliver
PREDICTABLE, TRANSPARENT, SECURE
Our Delivery Process: From Audit to Mainnet
A structured, milestone-driven approach to deliver your production-ready cross-chain KYC gateway. We de-risk your launch with expert audits, rigorous testing, and seamless deployment.
01
1. Architecture & Smart Contract Audit
We begin with a comprehensive security-first review of your existing smart contracts and system architecture. Our team identifies vulnerabilities and optimizes for gas efficiency and cross-chain interoperability.
100%
Code Coverage
< 72 hrs
Initial Report
02
2. Gateway Protocol Development
Build the core KYC verification engine with support for EVM chains (Ethereum, Polygon, Arbitrum) and non-EVM (Solana, Cosmos). Features include modular compliance rules and on-chain attestation storage.
10+
Supported Chains
< 100ms
Verification Latency
03
3. Integration & Staging Deployment
Seamless integration with your existing payment stack and frontend. We deploy a full staging environment on testnets for your team to validate workflows, user experience, and compliance logic.
2-3 days
Avg. Integration Time
5+
Testnet Environments
04
4. Security Penetration Testing
Final, independent penetration testing simulating real-world attack vectors on the integrated system. This includes economic, front-running, and bridge security assessments before mainnet launch.
Zero Critical
Vulnerability Guarantee
Certified
By Halborn
05
5. Mainnet Launch & Monitoring
Managed deployment to production with real-time monitoring dashboards. We provide 24/7 incident response, performance analytics, and compliance reporting from day one.
99.95%
Uptime SLA
< 5 min
Incident Response
06
6. Ongoing Support & Upgrades
Post-launch support including protocol upgrades, new chain integrations, and compliance rule updates. We ensure your gateway evolves with regulatory and technological changes.
48 hrs
Update SLA
Dedicated
Technical Lead
security-compliance
RELIABLE FOUNDATION
Blockchain Infrastructure for FinTechs
Enterprise-grade node infrastructure and APIs to power your financial applications.
We provide dedicated, high-availability RPC endpoints and managed nodes for EVM chains like Ethereum, Polygon, and Arbitrum. Our infrastructure delivers 99.9% uptime SLAs, sub-second latency, and enterprise-grade security to ensure your transactions are always processed.
- Full-Archive Nodes: Access complete historical data for compliance and analytics.
- Private Load Balancers: Distribute traffic and eliminate single points of failure.
- Real-time Monitoring: Dashboards and alerts for
gasprices, block times, and node health.
Deploy production-ready infrastructure in days, not months, with predictable pricing and 24/7 technical support.
Cross-Chain KYC Gateway
Frequently Asked Questions
Get specific answers about our deployment process, security, and support for our enterprise-grade KYC solution.
Standard deployment for a single chain takes 2-3 weeks from kickoff to production. Multi-chain integrations (e.g., adding Ethereum, Polygon, and Arbitrum) typically require 4-6 weeks. This includes configuration, smart contract deployment, and integration testing with your existing payment rails.
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