We architect and deploy custom smart contracts that are secure, gas-optimized, and tailored to your specific business logic. Our development process is built on audited standards and battle-tested patterns from OpenZeppelin and Solmate.
LABS
Services
Smart Invoice with Escrow Development
We build automated, trust-minimized payment systems. Our smart invoice contracts hold funds in a secure escrow, releasing them only when predefined conditions are met, eliminating payment disputes and delays.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your dApp.
- From Concept to Mainnet: We handle the full lifecycle—design, development, testing, and deployment—ensuring your
ERC-20,ERC-721, or custom protocol is ready for production. - Security-First Development: Every line of
SolidityorRustcode undergoes rigorous internal review, static analysis, and integration with tools likeSlitherandFoundrybefore your audit. - Guaranteed Outcomes: We deliver contracts with documented gas profiles, comprehensive test suites (>95% coverage), and clear upgrade paths via proxies or diamonds (
EIP-2535).
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Features of Our Smart Invoice System
Our modular smart invoice platform delivers automated, secure, and compliant payment workflows, reducing administrative overhead by 80% and accelerating settlement cycles from weeks to minutes.
01
Automated Escrow & Conditional Payments
Smart contracts automatically hold, release, or refund funds based on verifiable off-chain conditions (e.g., proof-of-delivery, milestone completion). Eliminates manual reconciliation and payment disputes.
100%
Automated Execution
< 5 min
Settlement Time
02
Multi-Chain & Multi-Currency Support
Deploy on Ethereum, Polygon, Arbitrum, or other EVM chains. Invoice and settle in stablecoins (USDC, USDT), native tokens, or custom ERC-20s. Future-proof your payment rails.
6+
Supported Chains
Any ERC-20
Payment Tokens
03
Regulatory-Compliant Workflows
Built-in features for KYC/AML checks, tax reporting hooks, and audit trails. Templates align with common commercial law frameworks, reducing compliance risk for B2B transactions.
GDPR Ready
Data Privacy
FATF Compliant
Framework
04
Real-Time Transparency & Dispute Resolution
All parties have a single source of truth for invoice status, payment history, and escrow balances. Integrated dispute escalation and multi-sig arbitration mechanisms.
24/7
Status Visibility
3-Step
Dispute Process
05
Enterprise-Grade Security & Audits
Contracts developed with Solidity best practices, OpenZeppelin libraries, and undergo rigorous third-party audits (e.g., by CertiK, Halborn). Includes bug bounty programs.
100%
Audit Coverage
Zero Critical
Vulnerabilities
06
Seamless API & ERP Integration
RESTful APIs and webhook events allow easy integration with existing accounting software (QuickBooks, Xero), ERPs, and treasury management systems.
< 2 weeks
Integration Time
99.9%
API Uptime SLA
benefits
TANGIBLE RESULTS
Business Outcomes You Can Measure
Our Smart Invoice with Escrow development delivers specific, measurable improvements to your payment operations. Here’s what you can expect.
01
Automated Payment Settlement
Eliminate manual reconciliation with smart contracts that automatically release funds upon milestone verification. Reduces administrative overhead by up to 80% and cuts settlement time from days to minutes.
80%
Less Admin Work
< 5 min
Settlement Time
02
Secure, Trustless Escrow
Funds are held in audited, immutable smart contracts, not third-party accounts. Built with OpenZeppelin standards and verified on Etherscan, ensuring security and transparency for all parties.
100%
On-Chain Security
OpenZeppelin
Audit Standard
03
Reduced Transaction Costs
Optimize for gas efficiency on EVM chains (Ethereum, Polygon, Arbitrum) using patterns like meta-transactions and batch processing. Achieve up to 40% lower gas fees per invoice cycle.
40%
Lower Gas Fees
EVM Chains
Optimized For
04
Faster Dispute Resolution
Integrated dispute resolution modules with time-bound escalation and multi-sig arbitration. Resolve conflicts programmatically, reducing resolution time from weeks to a predefined contract period.
Code-Based
Resolution
Predefined
Timeline
05
Enhanced Cash Flow Visibility
Real-time dashboard and API for tracking invoice status, escrow balances, and payment history across all chains. Provides CFOs and treasurers with immutable financial reporting.
Real-Time
Tracking
Multi-Chain
API Support
06
Accelerated Time-to-Market
Leverage our battle-tested, modular smart contract architecture and deployment pipelines. Go from specification to a live, audited mainnet deployment in as little as 3 weeks.
< 3 weeks
To Mainnet
Modular
Architecture
Structured for predictable delivery and cost
Phased Development Tiers
Choose the development and support package that matches your project's scale and risk profile. All tiers include core smart contract development for your invoice escrow system.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Smart Contract Development | |||
Comprehensive Security Audit | |||
Multi-Chain Deployment (EVM) | 1 Chain | Up to 3 Chains | Unlimited |
Integration Support (Frontend/API) | Basic | Full | Full + Custom SDK |
Post-Deployment Monitoring | 30 Days | 6 Months | 12 Months + SLA |
Incident Response Time | Best Effort | < 24 Hours | < 4 Hours (SLA) |
Smart Contract Upgradability | |||
Gas Optimization Review | |||
Dedicated Technical Account Manager | |||
Estimated Delivery Time | 3-4 Weeks | 6-8 Weeks | 8-12+ Weeks |
Starting Price | $15,000 | $45,000 | Custom Quote |
how-we-deliver
TRANSPARENT & COLLABORATIVE
Our Development Process
We follow a structured, client-centric approach to deliver secure, production-ready smart invoice systems. From initial design to final audit, we ensure transparency and alignment at every stage.
01
Discovery & Requirements
We conduct a deep-dive workshop to map your business logic, payment flows, and compliance needs. We deliver a detailed technical specification and project roadmap.
2-3 days
Workshop
1 week
Spec Delivery
02
Architecture & Design
Our architects design the optimal system architecture, selecting token standards (ERC-20, ERC-1155), oracle integrations, and defining the escrow release logic.
Modular
Design
Gas-Optimized
Contracts
03
Smart Contract Development
We write clean, secure Solidity code (0.8.x+) using OpenZeppelin libraries. Development includes unit testing, gas profiling, and internal code reviews.
100%
Test Coverage
OpenZeppelin
Standards
04
Security Audit & Testing
Every contract undergoes rigorous testing (unit, integration, fork) and a formal audit by a third-party security firm before deployment.
Formal Audit
Guaranteed
0 Critical
Target Bugs
05
Deployment & Integration
We handle mainnet deployment, frontend/backend integration, and provide comprehensive documentation for your team to manage the system.
Multi-chain
Deployment
Full Docs
Delivered
06
Support & Maintenance
We offer ongoing support packages including monitoring, upgrades for protocol changes, and security patch implementation.
24/7
Monitoring
SLA Options
Available
security
CORE SERVICE
Smart Contract Development
Secure, audited smart contract development for DeFi, NFTs, and enterprise applications.
We build production-ready smart contracts on EVM and Solana that are secure by design. Every contract undergoes rigorous audits and formal verification before deployment.
- Custom DeFi Protocols: DEXs, lending platforms, yield aggregators with gas-optimized code.
- NFT & Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - Enterprise Logic: Automated workflows, multi-sig wallets, and cross-chain bridges.
Deploy battle-tested contracts in 2-4 weeks with a 99.9% uptime SLA and comprehensive documentation.
Smart Invoice & Escrow
Frequently Asked Questions
Get clear answers on our development process, security, and timelines for building your secure payment solution.
We deliver a production-ready, audited smart invoice and escrow system in 4-6 weeks for a standard implementation. This includes requirements analysis, smart contract development, frontend integration, security audit, and deployment to your chosen network (EVM or Solana). Complex features like multi-currency support or custom dispute resolution can extend this timeline, which we scope and quote for upfront.
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