We architect and deploy custom Solidity and Rust smart contracts that form the foundation of your Web3 application. Our development process is built on security-first principles, utilizing battle-tested patterns from OpenZeppelin and comprehensive audit workflows.
Payroll Smart Contract Migration Service
Smart Contract Development
Secure, production-ready smart contracts built for your specific business logic.
- End-to-End Development: From initial specification to mainnet deployment and verification.
- Gas Optimization: Contracts engineered for minimum transaction costs and maximum user savings.
- Multi-Chain Ready: Deployments on
EVMchains (Ethereum, Polygon, Arbitrum) andSolana.
Deliver a secure, auditable, and performant contract suite in 4-6 weeks, reducing your technical risk and accelerating your go-to-market timeline.
Our Migration Methodology: Engineered for Zero Risk
A systematic, auditable approach to migrating your payroll logic from legacy systems to secure, immutable smart contracts. We guarantee business continuity and data integrity at every stage.
Comprehensive Pre-Migration Audit
Deep technical analysis of your existing payroll system, smart contract codebase, and tokenomics. We identify all dependencies, edge cases, and potential vulnerabilities before a single line of new code is written.
Deliverable: Detailed audit report with risk assessment and migration roadmap.
Deterministic State Migration
Engineered scripts to extract, validate, and map all critical payroll state (balances, vesting schedules, tax withholdings) from your legacy database to the new smart contract storage. Every data point is checksum-verified.
Deliverable: Verifiable state snapshot and migration validation suite.
Dual-Run Verification & Sandbox Testing
Execute payroll cycles in parallel: your legacy system and the new smart contracts run simultaneously in a controlled staging environment. We compare outputs transaction-by-transaction to ensure perfect functional parity.
Deliverable: Side-by-side reconciliation reports for full payroll cycles.
Phased Go-Live with Emergency Rollback
Controlled, phased deployment starting with a subset of employees or a single payroll component. Every new contract version includes immutable, pre-audited emergency pause and rollback functions, ensuring zero downtime.
Deliverable: Staged deployment plan with defined rollback triggers and procedures.
Post-Migration Monitoring & Support
24/7 monitoring of contract events, gas usage, and exception patterns for 30 days post-launch. Our team provides immediate support for any anomalies, ensuring a smooth transition for your finance and HR teams.
Deliverable: Real-time monitoring dashboard and dedicated support channel.
Formal Verification & Audit Trail
Final migration artifacts include formal verification reports for critical business logic and a complete, immutable audit trail of the entire migration process on-chain, providing regulatory and internal audit readiness.
Deliverable: Verification certificates and permanent on-chain audit log.
In-House vs. Chainscore Migration: Risk & Cost Analysis
A direct comparison of the risks, costs, and outcomes of migrating your payroll smart contracts in-house versus with Chainscore's expert team.
| Factor | Build & Migrate In-House | Chainscore Managed Migration |
|---|---|---|
Time to Production | 4-9 months | 4-8 weeks |
Upfront Development Cost | $150K - $400K+ | $25K - $75K |
Security Audit Requirement | Additional $30K - $100K | Included in package |
Team Expertise Needed | Senior Solidity Devs, Auditors, DevOps | Single point of contact |
Key Man Risk | High (team turnover, knowledge silos) | Low (institutional knowledge, documented process) |
Post-Migration Support | Your team's responsibility (ongoing cost) | Optional SLA with 24/7 monitoring |
Regulatory Compliance Review | Your legal team's responsibility | Expert review of payroll logic included |
Total Year 1 Cost (Est.) | $200K - $500K+ | $50K - $150K |
Guaranteed Uptime SLA | Your infrastructure, your risk | 99.9% SLA available |
Business Outcome | Delayed launch, diverted engineering resources | Faster time-to-market, focused core team |
Business Outcomes: Beyond a Simple Contract Move
Our migration service delivers measurable business value, transforming your payroll from a cost center into a strategic asset. We focus on outcomes that impact your bottom line and operational efficiency.
Reduced Operational Costs
Automate manual payroll processes to eliminate administrative overhead. Our optimized contracts reduce gas fees by up to 40% compared to legacy implementations, directly lowering your recurring transaction costs.
Enhanced Security & Compliance
Migrate to contracts built with the latest OpenZeppelin libraries and audited by industry-leading firms. We ensure compliance with relevant financial regulations and implement robust access controls and multi-signature safeguards.
Faster, Predictable Payouts
Achieve sub-minute payroll finality on L2s or sidechains, eliminating multi-day bank delays. Provide employees and contractors with real-time visibility into payment status and history.
Scalable Global Infrastructure
Deploy a payroll system that scales seamlessly with your team's growth across borders. Our architecture supports multi-currency payments, automatic tax withholding calculations, and integration with existing HR platforms.
Developer Experience & Ownership
Receive fully documented, modular Solidity code with comprehensive test suites. We ensure you retain full ownership and provide the tools for your team to maintain and extend the system independently.
Future-Proof Architecture
Build on a foundation designed for the evolving regulatory and technological landscape. Our modular design allows for easy upgrades, integration of new token standards (ERC-20, ERC-1400), and adaptation to new layer 2 solutions.
Smart Contract Development
Secure, audited smart contract development for DeFi, NFTs, and enterprise applications.
We architect and deploy production-grade smart contracts on EVM chains (Ethereum, Polygon, Arbitrum) and Solana. Our code-first approach ensures security and gas efficiency from day one.
- Security-First Development: All contracts are built with
OpenZeppelinstandards and undergo rigorous internal audits before deployment. - Full-Stack Integration: We handle the entire lifecycle—from writing
SolidityorRustcontracts to frontend integration viaethers.js/web3.js. - Measurable Outcomes: Typical projects achieve audit readiness in 3-4 weeks and deploy with >99.9% test coverage.
We don't just write code; we deliver secure, verifiable business logic that your users can trust.
Our process is built for technical leaders:
- For CTOs: Clear deliverables, milestone-based billing, and ownership of all source code.
- For Product Teams: Seamless integration with your existing stack and comprehensive documentation.
- For Scale: Architecture designed for future upgrades and cross-chain compatibility.
Typical Migration Timeline & Deliverables
A transparent breakdown of our phased migration approach, from initial audit to post-deployment support, ensuring a smooth transition for your payroll system.
| Phase & Deliverable | Starter (Audit & Code) | Professional (Full Migration) | Enterprise (Managed Service) |
|---|---|---|---|
Phase 1: Security & Code Audit | |||
Deliverable: Audit Report & Remediation Plan | |||
Phase 2: Migration Development | |||
Deliverable: Upgraded Solidity Contracts (v0.8+) | |||
Phase 3: Testing & Simulation | |||
Deliverable: Full Test Suite & Mainnet Fork Tests | |||
Phase 4: Deployment & Verification | |||
Deliverable: Live Deployment on Target Chain(s) | |||
Phase 5: Post-Migration Support | 1 week | 1 month | Ongoing SLA |
Support: Incident Response Time | Best Effort | < 24 hours | < 4 hours |
Typical Project Timeline | 1-2 weeks | 3-6 weeks | 4-8 weeks |
Starting Investment | $8K - $15K | $25K - $60K | Custom Quote |
Payroll Migration FAQs
Common questions from CTOs and finance leaders about migrating payroll to smart contracts. Get specific answers on timelines, security, and outcomes.
A standard migration from a legacy system to a secure, audited payroll smart contract takes 2-4 weeks from kickoff to mainnet deployment. This includes requirements analysis, custom development, comprehensive testing, and deployment. Complex multi-chain or multi-currency payroll systems with advanced vesting schedules may extend to 6-8 weeks. We provide a detailed project plan within the first 3 business days.
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Our experts will offer a free quote and a 30min call to discuss your project.