We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process is built on security-first principles, utilizing Solidity 0.8+, OpenZeppelin libraries, and comprehensive audit trails to mitigate risk.
LABS
Services
Wallet Migration & Upgrade Consulting
Strategic and technical services for securely migrating user assets and state to new wallet contract versions or entirely new blockchain architectures. We ensure zero data loss and continuous user access.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for your specific business logic.
- End-to-End Development: From initial specification and
ERC-20/721/1155token design to complex DeFi logic and DAO governance systems. - Security & Auditing: Multi-stage review process, including static analysis and manual review, prior to deployment on
EVM-compatible chains. - Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption and protocol sustainability.
Deliver a secure, auditable, and performant smart contract suite in as little as 4-6 weeks, accelerating your path to mainnet launch.
key-features-cards
PROVEN METHODOLOGY
Our Migration & Upgrade Capabilities
We execute wallet migrations and protocol upgrades with surgical precision, ensuring zero downtime and zero loss of funds. Our battle-tested process is trusted by leading DeFi protocols and custodians.
01
Smart Contract Migration
Secure, gas-optimized migration of token balances and state from legacy contracts to upgraded versions. We handle complex logic for staking, vesting, and governance to prevent user disruption.
0
Funds Lost
> 50
Contracts Migrated
02
Protocol & Standard Upgrades
Seamless upgrades from older standards (ERC-20, BEP-20) to newer implementations with enhanced features, improved security, and lower gas costs. Includes comprehensive testing and simulation.
99.9%
Uptime SLA
< 72h
Typical Cutover
03
Multi-Chain & Bridge Migration
Orchestrate asset and user migration across EVM and non-EVM chains (Solana, Cosmos). We design and implement secure bridging strategies and cross-chain messaging for unified liquidity.
12+
Chains Supported
$1B+
Assets Migrated
05
User Communication & Support
End-to-end management of user notification, documentation, and support during the migration window. We provide clear guides, FAQs, and real-time dashboards for user transparency.
24/7
Support
< 2%
Support Tickets
06
Post-Migration Monitoring
Proactive monitoring of the new system for 30+ days post-launch. We track performance, gas usage, and user adoption, providing detailed analytics and optimization recommendations.
30 days
Guaranteed Monitoring
1-hour
Incident Response
benefits
EXPERT-LED EXECUTION
Why Choose Our Migration Service
Wallet migrations are high-stakes operations. Our proven methodology, built on hundreds of successful upgrades, ensures a seamless transition with zero user disruption and fortified security.
01
Zero-Downtime Migration Architecture
We implement phased, state-preserving migration strategies that allow users to transition at their convenience. Your service remains fully operational throughout the entire process, eliminating revenue loss and user frustration.
100%
Uptime Guarantee
0
Forced User Cutovers
02
Security-First Protocol Upgrades
Every migration path is rigorously threat-modeled. We integrate formal verification for critical logic and leverage audited upgrade patterns (Transparent/UUPS) from OpenZeppelin to eliminate reentrancy and storage collision risks.
0
Critical Vulnerabilities Post-Migration
100%
Audit Coverage for New Logic
03
Multi-Chain & L2 Specialization
From Ethereum mainnet to Arbitrum, Optimism, and Polygon zkEVM, we architect migrations tailored to each chain's gas economics and finality characteristics. We ensure your wallet performs optimally in its new environment.
8+
Networks Supported
~70%
Avg. Gas Cost Reduction on L2
04
Comprehensive User Onboarding Flow
We design and implement in-app migration wizards, clear transaction signing prompts, and educational resources. This reduces support tickets and drives >95% user participation without manual intervention.
>95%
Self-Service Migration Rate
<5%
Support Ticket Increase
06
Post-Migration Monitoring & Support
We provide 30 days of enhanced monitoring with custom dashboards tracking migration completion, gas spend anomalies, and contract health. Our team is on standby to resolve any edge cases immediately.
30-Day
Guaranteed Support Window
<15 min
Critical Response SLA
Choose Your Path to a Secure Upgrade
Migration Strategy Comparison
A side-by-side analysis of migration approaches, from basic contract upgrades to full-scale ecosystem transitions with Chainscore's managed services.
| Migration Component | Basic Audit & Plan | Managed Migration | Enterprise Program |
|---|---|---|---|
Pre-Migration Smart Contract Audit | |||
Gas Optimization Analysis | |||
Multi-Wallet & Multi-Chain Strategy | |||
Automated Testing & Dry-Run Simulation | |||
User Communication & Support Playbook | |||
Post-Migration Monitoring (30 days) | |||
Dedicated Technical Account Manager | |||
Priority Support SLA | Best Effort | 8 Business Hours | 2 Hour Response |
Custom Integration with Existing Systems | |||
Typical Project Timeline | 2-3 Weeks | 4-6 Weeks | 8+ Weeks (Custom) |
Typical Engagement Cost | $15K - $30K | $50K - $150K | Custom Quote |
how-we-deliver
STRUCTURED METHODOLOGY
Our Proven Migration Process
A systematic, four-phase approach designed to ensure zero downtime, zero data loss, and a seamless transition for your users. We manage the technical complexity so you can focus on your product roadmap.
01
Phase 1: Discovery & Architecture Audit
We conduct a comprehensive audit of your current wallet architecture, smart contracts, and user data flows. This includes security vulnerability assessment, gas usage analysis, and dependency mapping to build a risk-mitigated migration blueprint.
48-72 hours
Initial Audit
100%
Code Coverage
02
Phase 2: Smart Contract Migration & Testing
Our team develops and deploys the new smart contract suite (ERC-4337, MPC, etc.) with rigorous testing. We implement upgrade patterns, state migration scripts, and conduct full-scale simulations on testnets to validate every transaction path.
< 2 weeks
Dev & Test Cycle
99.9%
Test Coverage
03
Phase 3: Zero-Downtime Data Migration
We execute the live data migration using phased, verifiable batch processes. This includes user key material, transaction history, and on-chain state, with real-time integrity checks and rollback procedures to guarantee data consistency.
Zero
Data Loss
24/7
Live Monitoring
04
Phase 4: Go-Live & Post-Migration Support
We manage the final cutover, coordinate user communication, and provide 30 days of intensive post-migration monitoring and support. This includes performance optimization, user support triage, and a detailed handover report.
30 days
Guaranteed Support
100%
Uptime SLA
security-assurance
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 veterans.
We architect and deploy custom smart contracts that form the secure backbone of your dApp. Our development process is built on audited code patterns, gas optimization, and comprehensive testing to mitigate risk from day one.
- Security-First Development: Built with
Solidity 0.8+andOpenZeppelinlibraries, following industry best practices. - Full Lifecycle Support: From initial architecture and development through to deployment, verification, and ongoing maintenance.
- Proven Frameworks: Utilize
HardhatandFoundryfor a robust development and testing environment.
Deliver a secure, auditable, and efficient on-chain foundation. Reduce your time-to-market while ensuring contract integrity and user trust.
Technical & Process Questions
Wallet Migration & Upgrade FAQs
Answers to the most common questions CTOs and engineering leads ask about migrating or upgrading their Web3 wallet infrastructure.
We follow a structured 4-phase process: 1) Discovery & Audit (1 week): We analyze your current wallet architecture, dependencies, and security posture. 2) Migration Plan & Architecture (1 week): We deliver a detailed technical spec, risk assessment, and phased rollout strategy. 3) Development & Testing (2-4 weeks): Our team builds and rigorously tests the new solution, including unit, integration, and security tests. 4) Deployment & Support (1 week): We manage the phased deployment, user communication, and provide 90 days of post-launch support. This process has been refined across 30+ migration projects.
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