We architect and deploy custom Solidity and Rust smart contracts with formal verification and comprehensive audit trails. Our focus is on security-first development, utilizing battle-tested patterns from OpenZeppelin and implementing multi-signature controls for critical operations.
LABS
Services
Mobile DeFi Derivatives Wallet with Account Abstraction
We build secure, user-friendly mobile wallets specifically for DeFi derivatives, abstracting Web3 complexity with gasless transactions, session keys, and automated risk management.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
Deliver a secure, audited, and gas-optimized contract suite in as little as 2-4 weeks.
Our development lifecycle includes:
- Gas optimization analysis for cost-efficient on-chain execution.
- Integration of Chainlink oracles for reliable real-world data.
- Automated testing with 95%+ coverage using
HardhatorFoundry. - A pre-audit security review before submission to leading firms like CertiK or Quantstamp.
We specialize in complex DeFi primitives and NFT ecosystems:
- Custom AMMs & DEXs with concentrated liquidity and fee tiers.
- ERC-20, ERC-721, and ERC-1155 token standards with advanced minting logic.
- Governance systems with voting delegation and treasury management.
- Cross-chain bridges and interoperability modules using
LayerZeroorAxelar.
key-features-cards
BUILT FOR SCALE AND SECURITY
Core Technical Capabilities
Our technical foundation delivers the performance, security, and user experience required for high-volume DeFi derivatives trading. Every capability is engineered to reduce your time-to-market and operational risk.
03
Secure Mobile SDK & Architecture
Proprietary React Native/Flutter SDK with hardware-backed key management (iOS Secure Enclave, Android Keystore). Implements MPC/TSS where appropriate, ensuring private keys never leave the user's device.
SOC 2 Type II
Compliance
05
Audited Smart Contract Suite
All protocol interaction modules, wallet factories, and fee logic are built in Solidity 0.8.x+ using OpenZeppelin libraries. Every contract undergoes rigorous internal review and third-party audit before deployment.
OpenZeppelin
Security Standards
06
Scalable Backend & Indexing Infrastructure
Event-driven microservices architecture built with Node.js & Go. We provide custom indexers for on-chain data (The Graph, Subsquid) and high-availability RPC endpoints to ensure sub-second UI updates and reliable order execution.
99.9%
Uptime SLA
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Platform
We build mobile DeFi derivatives wallets with Account Abstraction that deliver measurable business results. Here’s what you can expect when you partner with Chainscore.
01
Faster Time-to-Market
Launch a production-ready, custom mobile wallet in under 6 weeks. Our modular architecture and pre-built AA components (ERC-4337 EntryPoint, Paymasters, Bundlers) accelerate development.
< 6 weeks
To Production
90%
Faster Integration
02
Enhanced User Onboarding & Retention
Remove Web3 friction with social logins, gasless transactions, and session keys. Achieve sub-30-second onboarding and increase user activation rates by eliminating seed phrase complexity.
< 30 sec
User Onboarding
40%+
Higher Activation
03
Enterprise-Grade Security & Compliance
Deploy with confidence. Our smart contracts undergo rigorous audits (like OpenZeppelin), and we implement MPC-based key management and transaction simulation to protect user assets.
100%
Audit Coverage
SOC 2
Compliance Ready
04
Scalable Multi-Chain Derivatives Access
Connect users to leading derivatives protocols (dYdX, GMX, Synthetix) across Ethereum, Arbitrum, and Base. Our infrastructure handles high-frequency order routing with sub-second updates.
5+
Supported Chains
< 1 sec
Price Updates
05
Reduced Operational Cost & Complexity
We manage the full AA stack—bundlers, paymasters, and gas sponsorship logic—freeing your team to focus on core product features. Predictable pricing with no infrastructure overhead.
70%
Lower Dev Cost
$0
Infra Management
Structured for predictable outcomes
Development Tiers & Deliverables
Compare our standardized development packages for a secure, production-ready Mobile DeFi Derivatives Wallet with Account Abstraction.
| Core Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Smart Contract Suite (ERC-4337 AA, Perps, Options) | |||
Full Security Audit (2 Rounds) | 1 Round | 2 Rounds | 3 Rounds + Formal Verification |
iOS & Android Wallet Application | Core UI/UX | Advanced UI/UX + Custom Branding | Fully Custom UI/UX & Branding |
Multi-Chain Support | Ethereum Mainnet | EVM (3 Chains) | EVM + Non-EVM (5+ Chains) |
Backend Infrastructure (Indexer, Relayer, Bundler) | Managed Service | Managed + Custom APIs | Dedicated, On-Premise Deployment |
Ongoing Maintenance & Support | 3 Months | 12 Months | 24 Months + SLA |
Time to Market | 8-10 Weeks | 6-8 Weeks | 4-6 Weeks |
Response Time SLA | Business Hours | 12 Hours | 4 Hours |
Project Kickoff | Within 2 Weeks | Within 1 Week | Within 72 Hours |
Starting Price | $75,000 | $150,000 | Custom Quote |
how-we-deliver
PREDICTABLE DELIVERY
Our Development Process
We de-risk your DeFi wallet development with a transparent, milestone-driven process proven for regulated financial products. From initial architecture to mainnet launch, we ensure security and compliance are engineered in from day one.
01
Discovery & Architecture
We conduct a technical deep-dive to define your wallet's core features, token support, and AA framework. Deliverables include a detailed technical spec, smart contract architecture, and a 12-week development roadmap.
1-2 weeks
Project Scoping
Detailed Spec
Key Deliverable
02
Smart Contract Development
Our team builds and unit-tests your core AA smart contracts (ERC-4337 EntryPoint, Account Factory, Paymasters) and any required DeFi protocol integrations using Solidity 0.8+ and OpenZeppelin libraries.
4-6 weeks
Development Sprint
100% Coverage
Unit Tests
03
Security Audit & Penetration Testing
All smart contracts undergo a multi-stage security review, including automated analysis (Slither), manual code review by our senior engineers, and a formal audit report before proceeding to testnet.
2-3 weeks
Audit Cycle
Zero Critical
Audit Target
04
Mobile App & SDK Integration
We develop the React Native/iOS/Android front-end, integrating our AA SDK for seamless user onboarding, transaction bundling, and gas sponsorship. Includes integration with WalletConnect and key management services.
5-7 weeks
App Development
< 2 sec
Tx Signing Target
05
Testnet Deployment & QA
Full deployment on Sepolia/Goerli testnets for rigorous functional, security, and user acceptance testing. We simulate real-world DeFi interactions (swaps, margin, options) to ensure stability.
2 weeks
Testing Phase
99.9%
Test Pass Rate
06
Mainnet Launch & Monitoring
We manage the secure mainnet deployment, configure monitoring (Tenderly, Blocknative), and provide 24/7 incident response support for the first 30 days to ensure a smooth public launch.
1 week
Launch Preparation
24/7 SRE
Post-Launch Support
Mobile DeFi Wallet Development
Frequently Asked Questions
Get clear answers about our process, timeline, security, and support for building your custom DeFi derivatives wallet with Account Abstraction.
A fully functional MVP with core trading, portfolio management, and Account Abstraction (ERC-4337) can be deployed in 4-6 weeks. Complex features like cross-margin, advanced order types, or multi-chain support extend the timeline to 8-12 weeks. We provide a detailed project plan with weekly milestones after the initial discovery phase.
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