We architect and deploy custom smart contracts on EVM and Solana with formal verification and comprehensive audits. Our codebase is built on Solidity 0.8+ and Rust, leveraging OpenZeppelin libraries for battle-tested security patterns.
LABS
Services
Smart Contract Escrow Payment Service
Custom development of audited escrow smart contracts and management APIs for marketplaces and service-based businesses, releasing funds only upon delivery confirmation.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Security-First Development: Full audit cycle with
Slither/MythXanalysis and third-party review. - Gas Optimization: Contracts engineered for up to 40% lower gas costs on high-frequency operations.
- Upgradeable Architecture: Proxies and diamond patterns for seamless, secure future upgrades.
- Real-World Ready: Built-in compliance hooks for
OFACsanctions and multi-signature treasury management.
Deliver a market-ready, audited contract suite in 2-4 weeks, backed by a 99.9% uptime SLA for deployment and maintenance.
key-features-cards
ENTERPRISE-GRADE SECURITY & AUTOMATION
Core Features of Our Escrow Service
Our smart contract escrow service is engineered for high-value, high-trust transactions. We deliver audited, immutable logic that eliminates counterparty risk and automates settlements, giving your business the foundation for secure, scalable Web3 commerce.
01
Formally Verified Smart Contracts
Every escrow contract is built with Solidity 0.8+ and OpenZeppelin libraries, then formally verified using tools like Certora and Slither. This mathematical proof of correctness prevents logic errors and ensures funds move exactly as programmed.
0
Critical Vulnerabilities
100%
Code Coverage
02
Multi-Asset & Cross-Chain Support
Secure escrow for native ETH, ERC-20 tokens, and select NFTs (ERC-721/1155). Our architecture is chain-agnostic, with ready deployments for Ethereum, Polygon, and Arbitrum, enabling seamless transactions across your ecosystem.
3+
Supported Chains
ERC-20/721/1155
Token Standards
03
Programmable Dispute Resolution
Integrate custom logic for automated dispute initiation, evidence submission, and arbitrator selection. Our modular design allows you to embed your own rules or connect to decentralized oracle networks for objective outcomes.
< 5 min
Dispute Initiation
Modular
Arbitrator Logic
04
Gas-Optimized & Cost-Predictable
Contracts are meticulously optimized for gas efficiency, reducing transaction costs by up to 40% versus unaudited templates. We provide clear, upfront gas cost estimates for all escrow lifecycle functions.
≤ 40%
Gas Savings
Fixed Fee
Service Model
05
Real-Time Monitoring & Alerts
Gain full visibility with our dashboard for tracking escrow status, fund flows, and dispute events. Configure webhook alerts for critical state changes (e.g., funds deposited, released, disputed) directly to your systems.
24/7
Status Dashboard
Webhook API
Instant Alerts
06
Compliance & Audit Trail
Every transaction generates an immutable, on-chain record perfect for regulatory compliance and internal auditing. We provide tools to export complete transaction histories with timestamps and participant addresses.
Immutable
On-Chain Ledger
Fully Exportable
Audit Logs
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our Smart Contract Escrow Service delivers measurable results that accelerate your product roadmap and build user trust.
01
Secure & Audited Escrow Logic
Production-ready escrow smart contracts built on Solidity 0.8+ with OpenZeppelin libraries. Every contract undergoes a formal security audit before deployment, ensuring protection against reentrancy, overflow, and logic flaws.
100%
Audit Coverage
0 Critical
Vulnerabilities
02
Rapid Integration & Deployment
Pre-built, modular SDKs for React, Node.js, and Python. Integrate escrow functionality into your existing platform in days, not months, with comprehensive documentation and developer support.
< 2 weeks
Avg. Integration
5+
SDK Languages
03
Multi-Chain & Multi-Asset Support
Deploy on Ethereum, Polygon, Arbitrum, or other EVM-compatible chains. Support payments and escrow in native ETH, stablecoins (USDC, USDT), and major ERC-20 tokens to maximize user accessibility.
10+
Supported Chains
50+
Asset Types
04
Automated Dispute Resolution
Configurable arbitration logic with optional integration to Kleros or other decentralized courts. Reduce manual support overhead and provide users with a transparent, rules-based resolution path.
90%
Auto-Resolved
< 24h
Median Resolution Time
05
Enterprise-Grade Monitoring
Real-time dashboards and alerting for escrow lifecycle events, fund movements, and contract health. Proactive monitoring ensures platform integrity and provides actionable business intelligence.
24/7
Monitoring
< 5 min
Alert Latency
06
Compliance & Fund Segregation
Architecture designed for regulatory clarity, with clear separation of user funds from platform operational capital. Tools for transaction reporting and address screening (OFAC) are built-in.
100%
Fund Segregation
On-Chain
Audit Trail
use-cases
ENTERPRISE-GRADE SOLUTIONS
Tailored for Your Industry
Our smart contract escrow payment service is engineered to meet the specific compliance, security, and operational demands of your sector. We deliver custom-built solutions, not one-size-fits-all templates.
01
DeFi & Crypto Exchanges
Secure OTC desks, token vesting schedules, and cross-chain settlement pools. Our contracts integrate with existing order books and provide transparent, immutable proof of reserves for all escrowed assets.
Key Differentiator: Multi-signature release logic with on-chain dispute resolution via UMA or Kleros.
< 2 sec
Settlement Finality
ERC-20/721
Asset Support
02
Real-World Asset (RWA) Tokenization
Escrow for property sales, luxury goods, and investment fund subscriptions. Programmable release conditions tied to real-world events (KYC/AML checks, regulatory approvals) via Chainlink or API3 oracles.
Key Differentiator: Legal wrapper compatibility and audit trails designed for financial regulators.
ISO 27001
Compliance Framework
24/7
Monitoring
03
SaaS & Freelance Platforms
Automate milestone payments for developers, designers, and content creators. Integrate with platforms like Upwork or build your own with our white-label API. Funds are held securely until work is verified and approved.
Key Differentiator: Off-chain attestation + on-chain execution for fast, low-cost micro-transactions.
$0.10
Avg. Tx Cost
< 1 day
Payout Speed
04
Gaming & NFT Marketplaces
Enable secure peer-to-peer trading of high-value in-game assets and NFTs. Implement Dutch auctions, bundle sales, and royalty-enforced secondary sales with guaranteed fund custody during the transfer process.
Key Differentiator: Built-in support for ERC-1155 semi-fungible tokens and complex royalty structures.
ERC-1155
Token Standard
0%
Platform Risk
05
Supply Chain & Logistics
Conditional payments triggered by IoT sensor data (temperature, location) or shipment milestones. Automate Letters of Credit and reduce counterparty risk between manufacturers, shippers, and buyers.
Key Differentiator: Oracle-integrated contracts that respond to verifiable real-world data feeds.
90%
Faster Reconciliation
Chainlink
Oracle Network
06
Enterprise & B2B Services
Streamline procurement, contractor payments, and subscription services with automated, audit-friendly escrow. Integrate with enterprise ERPs like SAP or NetSuite via our robust REST API.
Key Differentiator: Role-based access control (RBAC) and SOC 2 Type II aligned security practices for large organizations.
SOC 2
Security Alignment
REST API
Integration
Structured Delivery for Your Escrow Protocol
Phased Development & Deliverables
A transparent breakdown of our development phases, deliverables, and timelines for custom smart contract escrow payment services.
| Phase & Deliverable | Starter (4-6 Weeks) | Professional (6-8 Weeks) | Enterprise (8-12 Weeks) |
|---|---|---|---|
Discovery & Requirements | |||
Smart Contract Architecture | Basic Escrow Logic | Multi-Asset, Multi-Party | Custom Dispute Resolution & Oracles |
Smart Contract Development | Single Chain (EVM) | Multi-Chain Deployment | Cross-Chain Messaging (CCIP/Wormhole) |
Security Audit | Automated Tools Report | Manual Review by Senior Engineer | Full Audit by Third-Party Firm (e.g., Spearbit) |
Frontend Integration Kit | Basic React Components | Custom UI/UX & Admin Dashboard | White-Label Web & Mobile SDK |
Testing & Deployment | Testnet Deployment | Mainnet Deployment & Verification | Staging Environment & Load Testing |
Documentation | Technical Specs | API Docs & Integration Guide | Compliance & Operational Runbooks |
Post-Launch Support | 30 Days | 90 Days + Monitoring | Dedicated SRE & 24/7 SLA (<1h response) |
Estimated Investment | $25K - $40K | $60K - $100K | Custom Quote ($150K+) |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
From token economies to complex DeFi logic, we translate your business rules into immutable, on-chain code.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - Protocols: DEXs, lending/borrowing, staking, governance, and NFT marketplaces.
- Key Deliverables: Complete test suites, deployment scripts, and technical documentation.
- Time-to-Market: Production-ready MVP in 2-4 weeks.
Smart Contract Escrow
Frequently Asked Questions
Get clear answers about our secure, custom escrow payment service development for Web3 marketplaces, DeFi, and enterprise transactions.
For a standard multi-signature or time-locked escrow, development and audit typically take 2-3 weeks. Complex systems with custom dispute resolution, multi-chain support, or integration with existing platforms can take 4-6 weeks. We provide a detailed project plan with milestones after the initial technical scoping call.
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