We architect and deploy custom smart contracts that form the secure, automated backbone of your application. Our development process is built on audited best practices using Solidity 0.8+ and OpenZeppelin libraries to minimize risk and technical debt from day one.
LABS
Services
Multi-Sig Wallet Mobile Application Development
We build secure, native iOS and Android applications for managing multi-signature wallets. Deliver on-the-go transaction approvals, biometric authentication, and enterprise-grade key storage to your users.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for your specific Web3 use case.
Deliver a battle-tested, gas-optimized contract suite in 2-4 weeks, not months.
Our full-cycle service includes:
- Strategy & Architecture: Tokenomics modeling, gas optimization analysis, and upgradeability planning.
- Secure Development: Implementation of
ERC-20,ERC-721,ERC-1155, or custom logic with comprehensive unit testing. - Audit Preparation: Code hardening and documentation tailored for third-party auditors like CertiK or Quantstamp.
We focus on long-term security and maintainability. Every contract includes clear documentation, deployment scripts, and a handover process for your engineering team, ensuring you own and control your core IP.
key-features-cards
ENTERPRISE-GRADE SECURITY & ENGINEERING
Core Technical Capabilities
We build secure, scalable mobile multi-sig wallets with battle-tested protocols and production-ready infrastructure for fintechs and Web3 startups.
01
Multi-Signature Smart Contract Development
Custom-built multi-sig contracts (Safe, Gnosis, custom) with configurable M-of-N thresholds, timelocks, and role-based permissions. Deploy on Ethereum, Polygon, Arbitrum, or other EVM chains.
ERC-4337
Account Abstraction
OpenZeppelin
Security Standard
02
Mobile-First SDK Integration
Seamless integration of WalletConnect v2, Web3Modal, and custom RPC providers. Native support for push notifications, biometric authentication, and hardware wallet pairing.
< 100ms
Transaction Signing
iOS & Android
Platforms
04
Gas Optimization & Cost Management
Engineered for efficiency with batch transactions, gas estimation, and fee abstraction. Reduce user transaction costs by up to 40% through strategic batching and layer-2 solutions.
40%
Cost Reduction
EIP-1559
Fee Support
05
Real-Time Transaction Monitoring
Proactive monitoring dashboard for pending, failed, and completed transactions. Includes mempool watchers, nonce management, and automated retry logic with configurable gas policies.
99.9%
Success Rate
< 5 sec
Alert Time
06
Compliance & Key Management
Enterprise-grade key storage with HSM integration, MPC (Multi-Party Computation) options, and compliance tooling for transaction screening (Sanctions, AML) and reporting.
SOC 2 Type II
Framework
FIPS 140-2
HSM Standard
benefits
DELIVERABLES
Business Outcomes for Your Project
Our multi-sig wallet mobile app development delivers tangible security, operational, and growth advantages for your business. Each outcome is backed by our proven methodology and deep protocol expertise.
01
Enterprise-Grade Security Architecture
We implement battle-tested multi-signature logic with configurable approval thresholds (m-of-n) and time-locks. Every smart contract is built with OpenZeppelin libraries and undergoes a formal security audit before deployment, mitigating the primary risk in asset management.
Formal Audit
Security Guarantee
OpenZeppelin
Foundation
02
Accelerated Time-to-Market
Leverage our pre-audited, modular codebase for EVM chains (Ethereum, Polygon, Arbitrum) or Solana. We deliver a production-ready, white-labeled mobile application in 4-6 weeks, allowing you to launch your secure custody solution ahead of schedule.
4-6 weeks
To Production
Multi-Chain
Ready
03
Reduced Operational Overhead
Eliminate the cost and complexity of building an in-house wallet security team. Our solution includes 24/7 monitoring, automated transaction queuing, and a comprehensive admin dashboard for managing signers and policies, freeing your core team to focus on product innovation.
24/7
Infra Monitoring
Centralized
Admin Dashboard
04
Enhanced User Trust & Adoption
Provide your users with a seamless, intuitive mobile experience for secure multi-party transactions. Features like push notifications for pending approvals, biometric authentication, and clear transaction decoding build confidence and drive higher engagement with your platform's financial features.
Biometric Auth
User Experience
Push Alerts
For Approvals
05
Future-Proof Protocol Support
Our architecture is designed for extensibility. We ensure seamless integration with new tokens (ERC-20, ERC-721), Layer 2 solutions, and cross-chain bridges (like Wormhole, LayerZero). This protects your investment as the blockchain ecosystem evolves.
ERC-20/721
Token Standards
L2 & Bridges
Ready
06
Compliance-Ready Foundation
Build with regulatory considerations in mind. We implement features such as transaction memo fields, on-chain audit trails, and integration hooks for compliance reporting tools, providing a solid foundation for meeting future financial regulations.
Immutable Logs
Audit Trail
RegTech
Integration Ready
Structured Delivery for Secure, Scalable Wallets
Phased Development Approach
Our modular, milestone-driven process ensures predictable delivery, clear communication, and a secure foundation for your multi-sig mobile application.
| Phase | Key Deliverables | Timeline | Investment |
|---|---|---|---|
Discovery & Architecture | Technical spec, wallet architecture, security audit plan | 1-2 weeks | $5K - $10K |
Smart Contract Development | Audited multi-sig contracts, deployment scripts, test suite | 3-4 weeks | $15K - $25K |
Core Mobile App (MVP) | iOS/Android app with key management, transaction signing, basic UI | 4-6 weeks | $30K - $50K |
Advanced Features & Integration | DeFi integrations, fiat on/off ramps, push notifications | 3-5 weeks | $20K - $40K |
Security Audit & Pen Testing | Third-party audit report, penetration test results, remediation | 2-3 weeks | $10K - $20K |
Launch & DevOps | App store deployment, monitoring dashboard, incident response plan | 1-2 weeks | $5K - $15K |
how-we-deliver
BUILT FOR ENTERPRISE
Our Development Methodology
We deliver secure, production-ready mobile multi-sig wallets through a structured, transparent process focused on security, speed, and seamless integration.
01
Architecture & Smart Contract Design
We architect your wallet's core using battle-tested multi-sig patterns like Safe{Wallet} and implement custom logic in Solidity 0.8+ with OpenZeppelin libraries. Every contract is designed for gas efficiency and upgradability from day one.
100%
OpenZeppelin Security
Gas-Optimized
Contract Design
02
Security-First Development & Auditing
Security is integrated, not an afterthought. Our code undergoes internal review, automated analysis with Slither, and is prepared for external audits by firms like CertiK or Quantstamp. We deliver a comprehensive audit report.
Multi-Layer
Security Review
Audit-Ready
Code Delivery
03
Mobile-First UX & SDK Integration
We build native iOS (Swift) and Android (Kotlin) applications with intuitive recovery flows and secure key management. Seamlessly integrate WalletConnect, Web3Modal, and leading RPC providers for full chain interoperability.
Native iOS/Android
Applications
WalletConnect v2
Integration
04
Rigorous Testing & Quality Assurance
We deploy a comprehensive test suite covering unit tests (Hardhat), integration tests for on-chain interactions, and E2E tests for mobile UX. Our QA process ensures reliability across 10+ EVM-compatible testnets before mainnet deployment.
> 95%
Test Coverage
Multi-Chain
Testnet Validation
05
Deployment & Mainnet Launch
We manage the secure deployment of factory and proxy contracts, configure multi-sig signer thresholds, and execute the official launch. We provide full documentation and handover, ensuring your team owns and controls the infrastructure.
Proxy Upgrade
Pattern
Full Handover
Documentation
06
Post-Launch Support & Monitoring
We offer ongoing support packages including blockchain monitoring with Tenderly or Chainstack, performance analytics dashboards, and priority access for upgrades or new feature development to scale with your user base.
24/7
Monitoring
Scalable
Support Tiers
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your protocol.
We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on OpenZeppelin standards, comprehensive unit testing, and multiple audit cycles to ensure reliability from day one.
Deliver a battle-tested protocol in weeks, not months, with a dedicated team of senior Solidity engineers.
- Custom Logic: Tailored
ERC-20,ERC-721, staking, governance, and DeFi primitives. - Security-First: Formal verification, gas optimization, and pre-audit code reviews.
- Full Lifecycle: From architecture and development to deployment and post-launch monitoring on EVM chains like Ethereum, Polygon, and Arbitrum.
Multi-Sig Wallet Development
Frequently Asked Questions
Get clear answers on our process, security, and delivery for building enterprise-grade multi-signature mobile applications.
A production-ready MVP with core multi-sig functionality (transaction proposal, approval flows, asset management) typically deploys in 4-6 weeks. Complex integrations (custom governance, cross-chain features, advanced key management) can extend to 8-12 weeks. We provide a detailed sprint-by-sprint roadmap during discovery.
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