We architect and deploy production-grade smart contracts that form the trustless backbone of your Web3 application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
LABS
Services
White-Label Embedded Finance Payment Widgets
Custom, embeddable payment widgets that let your merchants accept crypto with minimal code. Deploy a secure, branded checkout in weeks, not months.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contract development for DeFi, NFTs, and enterprise applications.
- Protocol Development: Custom
ERC-20,ERC-721, andERC-1155tokens, DEXs, lending pools, and staking mechanisms. - Security & Audits: Built with
OpenZeppelinlibraries and hardened through internal review cycles, preparing for formal audits by firms like Trail of Bits or ConsenSys Diligence. - Gas Optimization: We reduce transaction costs by 20-40% through efficient storage patterns and contract architecture.
Deliver a secure, auditable, and performant smart contract system in 4-8 weeks, from specification to mainnet deployment.
key-features-cards
ENTERPRISE-GRADE
Core Widget Capabilities We Deliver
Our embedded finance widgets are engineered for performance, security, and seamless integration, enabling you to launch payment features in weeks, not months.
01
Multi-Chain & Multi-Currency Support
Accept payments in 50+ cryptocurrencies across Ethereum, Polygon, Solana, and other major L1/L2 networks. Our widget automatically handles chain detection and currency conversion.
50+
Assets
10+
Networks
02
Bank-Grade Security & Compliance
Built with SOC 2 Type II principles. All transactions are secured via MPC wallets, with automated AML/KYC screening and fraud detection powered by on-chain analytics.
SOC 2
Compliant
MPC
Wallet Security
03
Sub-Second Transaction Finality
Leverage optimized gas strategies and direct RPC connections to achieve transaction confirmation in under 1 second for supported networks, matching traditional payment speeds.
< 1 sec
Avg. Confirmation
99.9%
Success Rate
04
Seamless Fiat On/Off Ramps
Integrate licensed fiat gateways directly into the widget flow. Users can buy crypto with credit cards or bank transfers and cash out to 30+ local currencies.
30+
Fiat Currencies
< 2 min
Avg. Onramp
05
Customizable UI/UX & Branding
Fully white-labeled widget with React, Vue, and Web Component SDKs. Match your brand's design system with custom themes, logos, and transaction flows.
3
SDK Frameworks
2 weeks
Avg. Integration
benefits
ENTERPRISE-GRADE INTEGRATION
Why FinTechs Choose Our Payment Widget Development
We deliver white-label payment widgets that embed directly into your application, reducing development time and compliance overhead while accelerating your time-to-market.
01
Bank-Grade Security & Compliance
Widgets built with SOC 2 Type II certified infrastructure, PCI DSS compliant payment flows, and automated KYC/AML checks. We handle the regulatory complexity so you can focus on your product.
SOC 2 Type II
Certified
PCI DSS
Compliant
02
Rapid Integration & Customization
Deploy a fully functional, branded payment widget in under 2 weeks. Our modular SDKs for React, Flutter, and native mobile allow for deep UI/UX customization without rebuilding core logic.
< 2 weeks
To Deploy
3+
SDK Frameworks
03
Multi-Chain & Multi-Currency Support
Seamlessly accept payments in 50+ fiat currencies and settle on Ethereum, Polygon, or Solana. Real-time FX conversion and on/off-ramp aggregation are built-in.
50+
Currencies
3+
Blockchains
04
Enterprise-Grade Reliability
Guaranteed 99.9% uptime SLA with multi-region failover. Our widgets are stress-tested for 10,000+ TPS and feature automatic retry logic for blockchain congestion.
99.9%
Uptime SLA
10k+ TPS
Tested Scale
05
Advanced Analytics & Webhooks
Gain real-time insights with a dedicated dashboard tracking payment volume, success rates, and user behavior. Instant webhook notifications for every transaction state change.
Real-time
Analytics
10+
Webhook Events
06
Dedicated Technical Partnership
You get a dedicated solutions engineer and 24/7 priority support. We provide architecture reviews, performance optimization, and roadmap collaboration as your needs evolve.
24/7
Priority Support
1:1
Dedicated Engineer
Choose Your Path to Market
Embedded Finance Widget Development Tiers
A structured comparison of our phased development packages for launching a secure, compliant payment widget. Each tier includes the core widget with multi-chain support, fiat on/off-ramps, and a developer dashboard.
| Deliverable / Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Smart Contract Audit & Security Review | |||
Multi-Chain Deployment (EVM) | 1 Chain | Up to 3 Chains | Unlimited |
Custom UI/UX Integration | Basic | Advanced | Fully Custom |
Compliance & KYC Integration | Basic | Advanced (Travel Rule) | Custom + White-label |
Fiat On/Off-Ramp Providers | 1 Provider | 2-3 Providers | Custom Aggregation |
Deployment & Go-Live Support | Documentation | Hands-on Support | Dedicated Engineer |
Post-Launch Monitoring SLA | Business Hours | 24/7 with 12h Response | 24/7 with 1h Response |
Monthly Maintenance & Updates | Optional | Included for 6 Months | Included for 12 Months |
Implementation Timeline | 4-6 Weeks | 6-10 Weeks | Custom |
Total Project Investment | $25K - $50K | $75K - $150K | Custom Quote |
how-we-deliver
PREDICTABLE TIMELINE
Our 4-Week Development & Deployment Process
We deliver a production-ready, secure payment widget in a fixed 4-week sprint. This structured approach eliminates scope creep, ensures transparent communication, and gets your embedded finance solution to market faster.
01
Week 1: Discovery & Architecture
We conduct a technical deep-dive to finalize requirements, select optimal blockchain networks (e.g., Polygon, Base), and design the widget's smart contract and API architecture for security and scalability.
1
Technical Specification
2-3
Architecture Review Sessions
02
Week 2: Core Smart Contract Development
Our senior Solidity engineers build and unit-test the core payment logic. This includes escrow mechanisms, multi-chain settlement, and integration with oracles like Chainlink for secure price feeds.
100%
Unit Test Coverage
OpenZeppelin
Security Foundation
03
Week 3: Frontend Widget & API Integration
Development of the React/TypeScript widget UI and secure backend APIs. We implement wallet connectivity (RainbowKit, Privy), payment flows, and provide a sandbox for your team to test integration.
Fully Responsive
UI/UX
REST & WebSocket
API Support
04
Week 4: Security Audit & Production Deployment
The final week is dedicated to a comprehensive internal security review, penetration testing, and deploying the widget to your staging & production environments with full monitoring and alerting setup.
Production-Ready
Deployment
24/7
Monitoring Live
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts for DeFi, NFTs, and enterprise applications.
We deliver audited, gas-optimized contracts built on Solidity 0.8+ and Rust. Our development process integrates security-first patterns from OpenZeppelin and Sealevel, ensuring your protocol's logic is both robust and cost-effective.
- Custom DeFi Logic: DEXs, lending/borrowing, yield strategies, and automated vaults.
- NFT & Token Standards:
ERC-20,ERC-721,ERC-1155, and bespoke tokenomics. - Enterprise Integration: Cross-chain bridges, oracles, and custom business logic for on-chain operations.
- Full Audit Trail: Comprehensive testing, formal verification, and third-party audit preparation.
From initial architecture to mainnet deployment, we provide a turnkey solution that reduces your time-to-market from months to weeks with a 99.9% uptime SLA for deployed contracts.
Embedded Finance Payment Widgets
Frequently Asked Questions
Get clear answers on implementation, security, and support for our white-label payment widgets designed for Web3 platforms.
Typical integration and deployment takes 2-4 weeks from kickoff to production. This includes custom branding, connecting your smart contracts or custodial wallets, and end-to-end testing. For standard configurations with existing EVM chains, we've achieved go-live in as little as 10 business days.
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