We architect and build production-grade blockchain systems from the ground up. Our full-stack development delivers a complete, audited application—from smart contracts and backends to user interfaces—in as little as 6-8 weeks.
LABS
Services
Sandbox Migration from Testnet to Mainnet Compliance
A structured service to audit, validate, and execute the compliance-ready migration of your tested application from a sandbox or testnet environment to a production mainnet deployment.
Chainscore © 2026
overview
BUILD
Custom Blockchain Development
End-to-end blockchain application development for FinTech and Web3 startups.
We don't just write code; we deliver a secure, scalable, and investor-ready product.
- Smart Contracts: Custom
Solidity/Rustdevelopment forEVM,Solana, orCosmoswith OpenZeppelin security patterns and comprehensive unit testing. - Backend & APIs: Robust Node.js/Python services for transaction orchestration, indexing, and real-time data feeds.
- Frontend: Modern, responsive dApp interfaces using React/Next.js with integrated wallets (
MetaMask,WalletConnect). - DevOps & Deployment: Automated CI/CD, containerization, and deployment to AWS/GCP with monitoring and alerting configured.
key-features-cards
AUDIT-READY METHODOLOGY
Our Migration Process: Structured for Compliance
Our phased, documented approach ensures your mainnet launch meets regulatory and security standards, providing a clear audit trail for stakeholders and auditors.
01
Pre-Migration Audit & Gap Analysis
Comprehensive review of your testnet deployment against mainnet compliance requirements (e.g., OFAC sanctions screening, data privacy laws). We deliver a prioritized remediation report.
150+
Checks Performed
< 72 hrs
Report Delivery
02
Compliance-Centric Smart Contract Refactoring
We refactor and harden contracts for mainnet, integrating upgradeability patterns, pausable functions, and administrative controls required for compliant operations.
Zero
Critical Vulnerabilities
OpenZeppelin
Security Standard
03
Controlled Staging Environment Deployment
Deploy to a private, mainnet-forked staging environment. Execute full regression and compliance test suites to validate behavior before live migration.
100%
Test Coverage
ISO 27001
Env. Standards
04
Live Migration & Transaction Finality Verification
Managed execution of the migration with multi-signature controls. We provide real-time monitoring and verification of all state transitions and fund movements.
99.9%
Success Rate
24/7
SRE Support
05
Post-Launch Monitoring & Compliance Reporting
Continuous monitoring for anomalous activity and automated generation of compliance reports (transaction logs, wallet screening results) for internal and regulatory review.
Real-time
Alerting
Auto-generated
Audit Trail
06
Knowledge Transfer & Operational Handoff
We provide complete documentation, runbooks, and training for your team to maintain and operate the compliant mainnet system independently.
Full
Source Code Access
SLA Defined
Support Transition
benefits
FROM TESTNET TO PRODUCTION
Business Outcomes: Launch with Confidence
Our structured migration process delivers more than just a mainnet deployment. We ensure your protocol is secure, compliant, and ready for real-world value from day one.
01
Zero-Vulnerability Launch
Deploy with confidence using battle-tested smart contracts that have passed comprehensive security audits. We mitigate risks like reentrancy, oracle manipulation, and access control flaws before mainnet deployment.
100%
Audit Coverage
0
Critical Issues at Launch
02
Regulatory & Compliance Readiness
Navigate complex regulatory landscapes with built-in compliance features. Our migration includes configurable access controls, transaction monitoring hooks, and documentation for AML/KYC integration points.
24-48 hrs
Compliance Review
Pre-built
Audit Trails
03
Gas-Optimized Production Code
Transition from testnet prototypes to mainnet-optimized contracts. We refactor for gas efficiency, reducing user transaction costs by up to 40% compared to unoptimized testnet code.
≤ 40%
Gas Reduction
Sol 0.8.23+
Compiler Standard
04
Seamless User & Data Migration
Execute flawless state migration preserving user balances, NFT ownership, and protocol history. Our tooling ensures zero data loss and minimal downtime during the cutover.
< 1 hour
Planned Downtime
100%
Data Integrity
05
Production Monitoring & Incident Response
Launch with enterprise-grade monitoring for smart contracts and infrastructure. Get real-time alerts, performance dashboards, and a predefined incident response playbook.
< 60 sec
Alert Time
24/7
SRE Support
06
Post-Launch Governance & Upgrade Path
Establish a secure upgrade framework from day one. We implement transparent governance modules (like OpenZeppelin Governor) and time-locked proxy patterns for future protocol evolution.
Fully Audited
Proxy Pattern
Multi-sig
Default Setup
Choose Your Path to Mainnet
DIY Migration vs. Chainscore Managed Migration
A detailed comparison of the risks, costs, and time involved in migrating your sandbox environment to a compliant mainnet deployment.
| Migration Factor | DIY In-House Migration | Chainscore Managed Migration |
|---|---|---|
Pre-Migration Security Audit | ||
Regulatory Compliance Review | Your responsibility | Included |
Gas Optimization & Cost Analysis | Manual estimation | Automated simulation & report |
Smart Contract Deployment | Manual, high-risk | Automated, multi-sig process |
Post-Deployment Monitoring | Basic tools required | 24/7 monitoring with alerts |
Time to Production | 8-16 weeks | 2-4 weeks |
Team Effort (Dev Hours) | 200-500 hours | Managed for you |
Security & Slashing Risk | High | Insured & mitigated |
Total Project Cost (Est.) | $80K - $200K+ | From $25K |
Ongoing Infrastructure Support | Build & maintain internally | Optional SLA from $2K/month |
how-we-deliver
A PROVEN, FOUR-PHASE APPROACH
Our Methodology: The Chainscore Migration Framework
Our battle-tested framework ensures your smart contracts transition from testnet to mainnet with zero downtime, full compliance, and ironclad security. We've migrated over $1.2B in on-chain assets for clients.
01
Phase 1: Pre-Migration Audit & Analysis
We conduct a comprehensive security and compliance review of your testnet contracts and deployment pipeline. This includes gas optimization analysis, vulnerability scanning, and mainnet readiness assessment.
Deliverable: A detailed audit report with prioritized action items and a final Go/No-Go decision.
48-72 hrs
Audit Timeline
100%
Code Coverage
02
Phase 2: Security Hardening & Finalization
Based on audit findings, we implement fixes, upgrade to production-grade libraries (OpenZeppelin), and integrate formal verification tools. We establish immutable contract addresses and finalize all configuration parameters.
Deliverable: Hardened, version-locked smart contracts ready for mainnet deployment.
Zero
Critical Issues
ERC-20/721
Standards Compliant
03
Phase 3: Staged Deployment & Verification
We execute a controlled, multi-signature deployment to the target mainnet (Ethereum, Polygon, Arbitrum, etc.). Each step is verified on-chain, followed by functional and integration testing against the live network.
Deliverable: Fully operational contracts on mainnet with verified source code and a deployment verification report.
< 4 hrs
Deployment Window
99.9% SLA
Success Rate
04
Phase 4: Post-Launch Monitoring & Handoff
We monitor contract activity, gas usage, and event logs for 7 days post-launch using our proprietary dashboard. We provide full documentation, operational runbooks, and knowledge transfer to your team.
Deliverable: A complete handoff package and 30 days of optional advisory support to ensure a smooth transition.
24/7
Alerting
Full
Documentation
security-compliance-focus
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 application.
We architect, develop, and audit custom Solidity and Rust smart contracts that form the secure backbone of your application. Our focus is on security-first development using battle-tested patterns from OpenZeppelin and comprehensive unit/integration testing to mitigate risk.
- End-to-End Development: From initial design and
ERC-20/721/1155tokenomics to complex DeFi logic and upgradeable proxy patterns. - Security & Audits: Rigorous internal review, formal verification with tools like
Slither, and preparation for third-party audits. - Gas Optimization: Expert-level code tuning to reduce deployment and transaction costs by up to 40%.
- Full Lifecycle Support: Deployment, verification on
Etherscan, and ongoing maintenance with clear documentation.
We deliver auditable, gas-efficient contracts that power your product with 99.9% uptime reliability and protect your users' assets.
Sandbox Migration
Frequently Asked Questions
Get clear answers on our process, security, and support for moving your protocol from testnet to mainnet with full compliance.
A standard sandbox-to-mainnet migration takes 2-4 weeks from kickoff to production deployment. This includes final security audits, configuration, and a phased go-live process. Complex protocols with custom bridges or multi-chain deployments may require 5-6 weeks.
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