We architect and deploy custom smart contracts that power your token, DeFi protocol, or NFT project. Our development process ensures security-first code, gas optimization, and full audit readiness from day one.
LABS
Services
Mobile Wallet for Rollup-Based DeFi Protocols
We build specialized mobile front-ends and secure interaction layers for DeFi protocols native to ZK-rollups, optimized for complex operations like leveraged trading, lending, and yield aggregation on mobile.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Security Audits: Every contract undergoes rigorous review using tools like Slither and MythX, following OpenZeppelin standards.
- Multi-Chain Deployment: Deploy on EVM chains (Ethereum, Polygon, Arbitrum) or Solana with a single codebase strategy.
- Compliance & Upgradability: Build with
ERC-20,ERC-721, or custom standards, featuring proxy patterns for seamless future upgrades. - Integration Support: Full documentation and integration kits for your frontend and backend teams.
Deliver a market-ready, secure contract suite in as little as 3 weeks, backed by a 99.9% uptime SLA for mainnet deployments.
key-features-cards
MOBILE-FIRST INFRASTRUCTURE
Core Capabilities for Rollup-Based DeFi
We build secure, high-performance mobile wallets specifically engineered for the unique demands of rollup ecosystems. Our solutions ensure your users can interact with your DeFi protocol seamlessly, securely, and with the native speed of your L2.
01
Rollup-Native Transaction Signing
Direct integration with rollup sequencers and RPC providers for instant, low-cost transaction signing. Eliminates the latency of bridging back to L1 for every action.
< 1 sec
Tx Signing Time
L2 Native
Fee Savings
02
Multi-Rollup & Cross-Chain State Management
Unified wallet interface supporting multiple rollups (zkSync, Arbitrum, Optimism, Starknet) and L1. Manages complex state, tokens, and approvals across chains transparently for the user.
5+
Networks Supported
Single Seed
Unified Access
03
Secure Smart Contract Wallet Integration
Implementation of ERC-4337 Account Abstraction for social recovery, batch transactions, and gas sponsorship. Built with audited OpenZeppelin libraries and formal verification.
ERC-4337
Standard
Formal Verification
Security
05
In-App Bridge & Liquidity Aggregation
Integrated bridge aggregator for seamless asset transfers between L1 and L2s. Partners with leading liquidity providers to offer users the best rates with minimal slippage.
10+
Bridge Protocols
Optimized Routes
Cost & Speed
06
Compliance-Ready Architecture
Modular components for transaction monitoring, address screening (via integration with Chainalysis or TRM), and audit trails. Designed to meet evolving regulatory requirements for FinTechs.
Modular
Compliance Stack
Enterprise-Grade
Audit Trail
benefits
MEASURABLE RESULTS
Business Outcomes for Your Protocol
Our mobile wallet development for rollup-based DeFi protocols delivers specific, quantifiable advantages that accelerate your go-to-market and user growth.
01
Accelerated User Onboarding
Deploy a branded, secure mobile wallet in under 3 weeks, enabling instant user acquisition directly from your protocol's marketing channels. Eliminate dependency on third-party wallets for your core user base.
< 3 weeks
Time to Launch
0 dependencies
On External Wallets
02
Enhanced Protocol Security & Control
Implement custom transaction simulations, fraud detection, and secure key management tailored to your rollup's architecture. Maintain full control over the user security model and compliance posture.
SOC 2 Type II
Compliance Framework
Custom MPC
Key Management
03
Seamless Rollup-Specific UX
Native support for L2 bridging, gas sponsorship, and batch transaction bundling. Deliver a frictionless experience that abstracts away rollup complexities, reducing failed transactions by up to 40%.
40% reduction
In Failed TXs
1-click
L1 <> L2 Bridge
04
Direct User Engagement & Analytics
Integrate push notifications for governance, liquidity events, and security alerts. Gain direct access to anonymized, on-chain analytics for user behavior within your protocol's ecosystem.
Direct channel
For User Comms
Real-time
Behavioral Analytics
05
Reduced Operational Overhead
We handle wallet infrastructure, maintenance, and updates. Your team focuses on core protocol development while benefiting from enterprise-grade reliability with a 99.9% uptime SLA.
99.9%
Uptime SLA
Full lifecycle
Managed Service
06
Competitive Market Differentiation
Offer a superior, integrated user experience that generic multi-chain wallets cannot match. Increase user retention and total value locked (TVL) by providing a purpose-built interface for your DeFi primitives.
Increased TVL
Retention Driver
Branded Experience
Key Differentiator
Strategic Infrastructure Decision
Build vs. Generic Wallet Integration
A detailed comparison of the strategic, technical, and financial trade-offs between developing a custom mobile wallet in-house, using a generic third-party wallet, and partnering with Chainscore for a tailored solution.
| Factor | Build In-House | Generic Wallet SDK | Chainscore Custom Integration |
|---|---|---|---|
Time to Market | 6-12 months | 2-4 weeks | 4-8 weeks |
Upfront Development Cost | $200K-$500K+ | $0 (SDK License) | $50K-$150K |
Rollup-Specific UX | Fully Customizable | Generic (EVM-Only) | Optimized for Your L2 |
Native Gas Sponsorship | Your Implementation | Not Supported | Built-in Abstraction |
Smart Contract Wallet Support | Your Implementation | Limited (EOA-Focused) | Full (ERC-4337 / Custom) |
Security & Audit Burden | High (Your Responsibility) | Medium (Vendor Risk) | Low (We Manage Audits) |
Ongoing Maintenance & Updates | Your Team (2-3 FTE) | Vendor's Timeline | Included in SLA |
Brand & User Ownership | Complete | None (Vendor Branded) | White-Label, Your Brand |
Annual Total Cost of Ownership | $300K-$700K | $20K-$100K (Licensing) | $80K-$200K (All-In) |
Strategic Flexibility | High (Full Control) | Low (Vendor Lock-in) | High (Co-Developed Roadmap) |
how-we-deliver
TRANSPARENT & PREDICTABLE
Our Development Process
We deliver secure, production-ready mobile wallets for rollup-based DeFi through a structured, milestone-driven approach. Our process ensures technical excellence, clear communication, and on-time delivery.
01
Architecture & Strategy
We define the optimal wallet architecture for your rollup (zkSync, Arbitrum, Optimism), including key management strategy (MPC vs. smart wallets), cross-chain bridging, and gas fee optimization.
1-2 weeks
Technical Specification
3+ Options
Architecture Reviewed
02
Core Wallet Development
Build the secure wallet core with React Native/Flutter, implementing rollup-specific RPC integration, transaction signing, and real-time balance/portfolio tracking for L2 assets.
4-6 weeks
Core MVP Build
100%
Code Coverage Target
03
DeFi Module Integration
Integrate native DeFi interactions: swap routers (Uniswap, 1inch), lending/borrowing protocols (Aave, Compound), and staking directly within the wallet interface.
2-3 weeks
Per Major Protocol
Sub-second
Quote Refresh
04
Security & Audit Hardening
Conduct internal security reviews, implement secure key storage (HSM/Enclave), and prepare for external audits by firms like Trail of Bits or Quantstamp.
2+ weeks
Penetration Testing
Zero Critical
Audit Target
05
QA, Testing & Deployment
Execute comprehensive testing: unit, integration, and user acceptance testing (UAT) across iOS & Android. We manage App Store/Play Store deployment and CI/CD pipeline setup.
99.9%
Test Pass Rate
< 1 week
Store Approval
06
Launch Support & Monitoring
Provide post-launch support, real-time performance monitoring (uptime, TPS, error rates), and iterative updates based on user analytics and protocol upgrades.
24/7
Monitoring
1-hr
Critical Response SLA
security
SECURE FOUNDATIONS
Custom Smart Contract Development
Production-ready smart contracts built for security, scalability, and your specific business logic.
We architect and deploy secure, gas-optimized smart contracts that form the core of your Web3 product. Our development follows industry-leading security standards, including comprehensive audits and formal verification where required.
From token economies to complex DeFi protocols, we translate your requirements into robust, on-chain logic.
- End-to-End Development: Full lifecycle from specification and
Solidity/Rustdevelopment to testing, deployment, and maintenance. - Security-First: Built with
OpenZeppelinlibraries, subjected to multi-layered testing and third-party audit preparation. - Protocol Specialization:
ERC-20,ERC-721,ERC-1155, custom staking, governance (ERC-5805,ERC-6372), and bridging logic. - Guaranteed Outcomes: Delivery of fully verified source code, comprehensive documentation, and a deployment roadmap.
Mobile Wallet Development
Frequently Asked Questions
Clear answers to common questions about building secure, high-performance mobile wallets for rollup-based DeFi.
We deliver a production-ready MVP in 4-6 weeks for a standard wallet with core features (multi-chain support, token swaps, NFT viewing). Complex integrations (custom bridging, advanced DeFi dashboards, multi-signature) extend the timeline to 8-12 weeks. Our agile sprints deliver working builds every 2 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