We architect and deploy custom Solidity/Rust smart contracts that form the backbone of your protocol. Every contract is built with security-first principles, leveraging battle-tested libraries like OpenZeppelin and following industry standards (ERC-20, ERC-721, ERC-1155).
LABS
Services
Mobile Crypto Merchant POS Integration
We develop secure, compliant point-of-sale systems that integrate directly into your mobile app, enabling merchants to accept crypto payments with real-time settlement and optional fiat conversion.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
- Full Lifecycle Development: From initial design and
Foundry/Hardhattesting to mainnet deployment and verification. - Security as Standard: Rigorous audits, formal verification, and gas optimization are integrated into our process.
- Modular & Upgradeable: We design for the future using patterns like the Transparent Proxy Standard for seamless, secure upgrades.
Deliver a secure, audited, and fully functional smart contract system in as little as 4-6 weeks.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our POS Integration
Our mobile crypto POS solution is engineered for reliability and scale, enabling merchants to accept digital payments with the same ease and security as traditional finance.
01
Multi-Chain & Multi-Currency Support
Accept payments across major blockchains (Ethereum, Solana, Polygon) and 100+ tokens. We handle the complexity of network selection, gas estimation, and token standards (ERC-20, SPL) automatically.
100+
Tokens Supported
< 1 sec
Network Detection
02
Real-Time Fiat Settlement
Convert crypto to fiat instantly at point-of-sale. Our system integrates with licensed payment processors to settle EUR, USD, or GBP directly to your bank account, eliminating volatility risk.
Instant
Conversion
0.5%
Avg. FX Fee
03
Enterprise-Grade Security & Compliance
Built with institutional security standards. Includes non-custodial architecture, MPC wallet technology, transaction monitoring for AML, and audit trails compliant with financial regulations.
SOC 2
Compliance
MPC
Wallet Tech
05
Sub-Second Transaction Confirmation
Optimized for in-person commerce. Leverages layer-2 solutions and efficient RPC routing to achieve near-instant payment confirmation, ensuring a smooth customer checkout experience.
< 2 sec
Avg. Confirmation
100%
Success Rate SLA
06
Unified Merchant Dashboard
Gain full visibility with a single dashboard for managing transactions, settlements, customer refunds, and generating tax reports across all locations and payment methods.
Real-Time
Analytics
Automated
Tax Reporting
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Our Mobile Crypto Merchant POS Integration delivers measurable value, turning blockchain adoption into a competitive advantage for your business.
01
Accelerated Time-to-Market
Deploy a fully integrated, white-labeled POS solution in under 4 weeks. We handle protocol integration, wallet connectivity, and compliance checks, so you can launch faster.
< 4 weeks
Deployment Time
1-click
Onboarding Flow
02
Reduced Operational Friction
Automate settlement and reconciliation with smart contracts, eliminating manual payment processing. Convert crypto to fiat instantly via our partner network to simplify treasury management.
90%
Faster Settlement
24/7
Auto-Reconciliation
03
Enhanced Security & Compliance
Built with enterprise-grade security. Integration includes automated AML/KYC screening, non-custodial wallet flows, and transaction monitoring to mitigate fraud and regulatory risk.
SOC 2
Compliance
0%
Custodial Risk
04
Expanded Customer Base
Tap into the global crypto-holder market. Enable payments in 50+ major cryptocurrencies (BTC, ETH, SOL, USDC) to attract tech-savvy customers and increase average transaction value.
50+
Assets Supported
Global
Market Reach
05
Seamless User Experience
Provide a checkout experience rivaling traditional card payments. Features include QR code scanning, contactless NFC taps, and sub-3-second transaction confirmation for customer satisfaction.
< 3 sec
Tx Confirmation
99.5%
Success Rate
Choose Your Path to Production
Phased Development & Integration Tiers
A structured comparison of our service tiers for integrating crypto payments into your mobile POS, from initial proof-of-concept to a fully managed, enterprise-grade solution.
| Feature / Deliverable | Starter (Pilot) | Professional (Production) | Enterprise (Managed) |
|---|---|---|---|
Custom Smart Contract Suite | |||
On-Chain & Off-Chain Audit | Basic Review | Full Audit Report | Full Audit + Formal Verification |
Mobile SDK Integration | Single Platform (iOS/Android) | Cross-Platform (Flutter/React Native) | Cross-Platform + White-label |
Supported Payment Currencies | ETH, USDC, USDT | ETH, USDC, USDT, 5+ Major Tokens | Custom Token Suite + Fiat On/Off Ramps |
Backend API & Webhook Service | Basic Node.js Service | Scalable Microservice Architecture | Fully Managed & Hosted API |
Real-time Transaction Dashboard | |||
Fraud & Risk Monitoring | Basic Rules | Advanced ML Models | Custom Rules Engine + 24/7 SOC |
Settlement & Reconciliation Engine | Manual Export | Automated Daily | Real-time + Custom Treasury Mgmt |
Technical Support & SLA | Email (Business Hours) | Priority Slack (12h response) | Dedicated Engineer (<1h critical) |
Implementation Timeline | 4-6 weeks | 8-12 weeks | 12-16 weeks |
Typical Engagement | From $25K | From $75K | Custom Quote |
how-we-deliver
END-TO-END EXECUTION
Our Development & Integration Process
A structured, transparent approach to integrate crypto payments into your existing mobile POS system, minimizing disruption and maximizing speed to market.
01
Discovery & Architecture Design
We conduct a technical deep-dive into your existing POS stack and business logic to design a secure, scalable integration architecture. We deliver a detailed technical specification and project roadmap.
1-2 weeks
Specification Delivery
100%
Architecture Review
02
Smart Contract & SDK Development
Our team builds the core payment settlement logic with audited smart contracts (Solidity/Rust) and a lightweight, documented SDK for your mobile app. Focus on security, gas efficiency, and multi-chain support.
OpenZeppelin
Security Standard
< 2 sec
Target Tx Finality
03
Mobile POS Integration
We seamlessly embed our payment SDK into your iOS/Android POS application. This includes UI/UX components for payment initiation, real-time rate display, and transaction status updates.
Native Modules
Integration Type
2-3 weeks
Typical Timeline
04
Backend & Merchant Dashboard
We deploy and configure the backend services for transaction monitoring, webhook handling, and reconciliation. You get a merchant dashboard for settlement tracking, reporting, and managing supported tokens.
99.9% SLA
Service Uptime
Real-time
Settlement Data
05
Security Audit & Penetration Testing
All smart contracts and critical backend APIs undergo rigorous third-party security audits. We conduct penetration testing on the integrated mobile application to identify and remediate vulnerabilities.
Third-Party
Audit Partners
Full Report
Deliverable
06
Deployment & Go-Live Support
We manage the phased deployment to testnet and mainnet environments. Our team provides 24/7 monitoring and dedicated support during the launch period to ensure a smooth merchant rollout.
Phased Rollout
Deployment Strategy
24/7
Launch Support
security
CORE SERVICES
Custom Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications and audited for deployment.
We architect and deploy custom smart contracts for DeFi, NFTs, DAOs, and enterprise applications. Our development process ensures gas-optimized code, comprehensive security audits, and full documentation.
From concept to mainnet, we deliver contracts that are secure by design and ready to scale.
- Protocol Development: DEXs, lending/borrowing platforms, yield aggregators, and more.
- Token Standards: Custom
ERC-20,ERC-721,ERC-1155, and proprietary tokenomics. - Security First: Built with
OpenZeppelinlibraries and subjected to manual + automated review. - Full Lifecycle: We handle development, testing, deployment, and post-launch support.
Mobile POS Integration
Frequently Asked Questions
Get clear answers on timelines, security, and support for integrating crypto payments into your merchant POS system.
Standard integrations for a single payment processor (like Circle or Stripe) and one blockchain (e.g., Solana, Ethereum) take 2-4 weeks from kickoff to live deployment. Complex multi-chain, multi-currency, or custom loyalty program integrations can extend to 6-8 weeks. We provide a detailed project plan within the first 3 days of engagement.
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