We architect and deploy custom smart contracts on EVM and Solana that are secure by design. Our development process includes formal verification and comprehensive testing to ensure reliability for DeFi, NFTs, and enterprise applications.
LABS
Services
Private Cross-Border Payment Solutions
Deploy compliant payment corridors that use zero-knowledge proofs to verify transaction legitimacy for regulators, while keeping sender and receiver details private. Built for FinTechs and crypto-native businesses.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your dApp.
- Full Lifecycle Support: From initial audit of requirements to deployment and post-launch maintenance.
- Security-First Approach: Built with
OpenZeppelinstandards, followed by third-party audits from firms like CertiK or Quantstamp. - Gas Optimization: Contracts are engineered for minimum transaction costs and maximum efficiency on mainnet.
Deliver a market-ready, audited contract suite in as little as 4-6 weeks, reducing your technical risk and accelerating your roadmap.
key-features-cards
BUILT FOR ENTERPRISE
Core Architecture of Our ZK Payment Corridors
Our production-ready infrastructure combines zero-knowledge cryptography with enterprise-grade reliability to deliver private, compliant, and instant cross-border settlements.
01
Zero-Knowledge Settlement Engine
Proprietary ZK circuits for private transaction validation, ensuring sender, receiver, and amount remain confidential on-chain while maintaining full auditability for regulated entities.
< 2 sec
Proof Generation
256-bit
Security
02
Multi-Chain Liquidity Router
Intelligent routing across Ethereum, Polygon, Arbitrum, and other EVM chains to source optimal liquidity and minimize cross-chain settlement costs and latency.
12+
Supported Chains
< 0.3%
Avg. Fee
03
Regulatory Compliance Layer
Built-in modules for sanctions screening (OFAC), travel rule compliance (TRP), and audit reporting, enabling seamless integration with existing banking compliance stacks.
99.9%
Uptime SLA
< 50ms
Check Latency
benefits
DELIVERABLES
Business Outcomes for Your Payment Platform
Our private cross-border payment solutions are engineered to deliver measurable results, from accelerating time-to-market to unlocking new revenue streams.
01
Accelerated Market Entry
Deploy a production-ready, compliant cross-border payment corridor in under 4 weeks. We handle the smart contract suite, liquidity bridge, and regulatory framework integration.
< 4 weeks
Time to Production
0
Regulatory Delays
02
Enterprise-Grade Security & Compliance
Smart contracts audited by Trail of Bits and CertiK, with built-in AML/KYC hooks. Achieve SOC 2 Type II compliance for institutional trust.
100%
Audit Coverage
SOC 2
Compliance Standard
03
Sub-Second Settlement at Scale
Process high-volume transactions with < 1 second finality and > 99.9% uptime SLA. Our infrastructure scales to handle over 10,000 TPS during peak loads.
< 1 sec
Settlement Time
99.9%
Uptime SLA
04
Cost-Efficient Liquidity Management
Reduce operational costs by 60-80% versus traditional correspondent banking. Our automated liquidity pools and on-chain treasury management eliminate manual reconciliation.
60-80%
Cost Reduction
24/7
Liquidity Access
05
Seamless Fiat Integration
Integrate with over 50+ global payment rails (SWIFT, SEPA, Fedwire) and banking partners via a single API. Support multi-currency wallets and real-time FX rates.
50+
Payment Rails
1 API
Integration Point
06
Transparent, Auditable Operations
Provide clients with immutable proof of transaction and real-time settlement status. Full transaction history is verifiable on-chain, reducing dispute resolution by 90%.
90%
Faster Dispute Resolution
Real-time
Audit Trail
From MVP to Global Scale
Phased Implementation Roadmap
A structured, milestone-driven approach to launching and scaling your private cross-border payment solution. We manage the technical complexity so you can focus on your business.
| Phase & Deliverables | Foundation (Weeks 1-4) | Launch (Weeks 5-8) | Scale (Weeks 9-12) | Enterprise |
|---|---|---|---|---|
Core Smart Contract Suite | ||||
Multi-Chain Bridge Integration (2 chains) | ||||
Private Transaction Layer (zk-SNARKs/zk-STARKs) | Basic Mixer | Advanced Privacy Pools | Custom Privacy Rules | Regulatory Compliance Module |
Fiat On/Off-Ramp Connectors | 1 Provider | 3+ Major Providers | Global Coverage | Direct Banking APIs |
Compliance & Monitoring Dashboard | Basic Txn Logs | Real-time AML Screening | Custom Rule Engine | Audit Trail & Reporting API |
Settlement Speed | < 24 hours | < 2 hours | < 15 minutes | Near-Instant |
Support & SLA | Priority Slack | 24/7 Dedicated | 24/7 + Architecture Review | |
Implementation Focus | Protocol Design & Audit | Integration & Go-Live | Optimization & Analytics | Custom Features & Global Expansion |
how-we-deliver
PROVEN FRAMEWORK
Our Delivery Methodology
We deliver secure, compliant, and scalable private payment rails through a structured, transparent process designed for enterprise-grade reliability.
01
Architecture & Protocol Design
We design custom payment architectures using Stellar, Ripple, or private EVM chains, ensuring interoperability with existing treasury systems and compliance with OFAC, AML, and KYC frameworks.
2-4 weeks
Design Phase
100%
Regulatory Review
02
Smart Contract Development & Audit
Our team builds and hardens the core settlement logic. Every contract undergoes a mandatory security audit by a third-party firm like CertiK or Quantstamp before deployment.
0 Critical
Audit Findings
OpenZeppelin
Security Standard
03
Integration & Deployment
We handle the full-stack integration with your banking APIs, custodial wallets, and front-end dashboards, followed by a staged deployment to testnet and mainnet environments.
< 2 weeks
Integration Time
99.9%
Deployment Success
04
Monitoring & 24/7 Support
Post-launch, we provide real-time monitoring dashboards for transaction health, liquidity pools, and compliance flags, backed by 24/7 technical support and an SLA.
< 5 min
Response SLA
99.99%
System Uptime
Technical & Operational Comparison
ZK Privacy vs. Traditional Payment Methods
A direct comparison of key operational and technical factors between building a private cross-border payment system with zero-knowledge proofs versus using traditional financial rails.
| Comparison Factor | Traditional Payment Rails (SWIFT, ACH) | Chainscore ZK-Powered Solution |
|---|---|---|
Transaction Privacy | ||
Settlement Time | 2-5 business days | < 60 seconds |
Cross-Border Fees | 3-5% + FX spread | < 0.5% (on-chain gas only) |
Regulatory Compliance Burden | High (KYC/AML per transaction) | Programmable (ZK proofs for selective disclosure) |
Developer Integration Time | 3-6 months | 4-8 weeks |
Audit Trail & Transparency | Opaque, bank-controlled | Fully verifiable on-chain, private to participants |
Infrastructure Cost (Year 1) | $200K+ in licensing & integration | $50K - $150K (development & deployment) |
Supported Currencies | Fiat only | Multi-chain stablecoins & native assets |
Operational Uptime SLA | 99.5% (bank-dependent) | 99.9% (decentralized network) |
Fraud & Chargeback Risk | High | Near-zero (settlement finality) |
Private Cross-Border Payment Solutions
Frequently Asked Questions
Get clear answers on how we build secure, compliant, and scalable blockchain-based payment rails for your business.
From initial design to production launch, a typical project takes 6-10 weeks. This includes 2 weeks for architecture and compliance design, 3-4 weeks for core smart contract and backend development, 1-2 weeks for security audits, and 1-2 weeks for deployment and integration. We provide a detailed, phase-gated project plan from day one.
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