We architect and deploy custom smart contracts that form the secure backbone of your application. Our code is built on Solidity 0.8+ with OpenZeppelin libraries and undergoes rigorous security audits before mainnet deployment.
LABS
Services
Mobile Wallet Protocol Design & Consulting
Strategic consulting and technical design of custom protocols for issuing, holding, and verifying credentials within a mobile wallet ecosystem, including tokenomics and governance model design.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
Deliver a battle-tested, gas-optimized contract suite in 2-4 weeks, not months.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi Primitives: Automated Market Makers (AMMs), staking pools, yield aggregators.
- Security First: Formal verification, unit/integration testing, and audit partner reviews.
- Full Ownership: You receive all source code, deployment scripts, and documentation.
key-features-cards
ARCHITECTURE & IMPLEMENTATION
Core Protocol Design Capabilities
We design and implement the foundational protocols that power secure, scalable, and user-friendly mobile wallets. Our focus is on delivering battle-tested architecture that reduces technical debt and accelerates your time-to-market.
01
Key Management & Custody Architecture
Design secure, non-custodial key management systems using industry standards like MPC (Multi-Party Computation) or Account Abstraction (ERC-4337). We ensure private keys never leave the user's device while enabling seamless recovery options.
SOC 2 Type II
Security Framework
Zero Trust
Key Access Model
02
Transaction Protocol Design
Engineer efficient transaction protocols for multi-chain operations, batch transactions, and gas optimization. We implement protocols that ensure atomicity and reduce failed transaction rates for end-users.
< 1.5 sec
Avg. Signing Time
> 99%
Tx Success Rate
03
Secure On-Chain Communication
Implement secure messaging and signing protocols for interactions with dApps, including WalletConnect v2 integration, session management, and permission scoping to prevent phishing and unauthorized access.
WC v2
Protocol Standard
EIP-712
Signing Standard
05
Token & NFT Protocol Standards
Implement robust support for token standards (ERC-20, ERC-721, ERC-1155) including batch approvals, meta-transactions, and secure display logic. We ensure compliance and interoperability across marketplaces and DeFi protocols.
OpenZeppelin
Audited Libraries
EIP-4524
Security Audits
06
Performance & Scalability Blueprint
Architect protocols for high-throughput operations, including optimized RPC node strategies, local caching layers, and efficient state management to handle millions of users without degrading wallet performance.
< 100ms
Balance Query
99.9% SLA
Protocol Uptime
benefits
MEASURABLE RESULTS
Business Outcomes of a Well-Designed Protocol
Our mobile wallet protocol design delivers more than just code. We architect for security, scale, and user adoption, translating technical excellence into tangible business growth.
01
Secure User Onboarding & Asset Protection
Implement MPC-based key management and social recovery to eliminate single points of failure. Reduce user loss incidents by >95% and build institutional-grade trust from day one.
>95%
Reduction in user loss
SOC 2 Type II
Security Framework
02
Faster Time-to-Market & Integration
Leverage our pre-audited protocol modules for core functions (signing, bridging, swapping) to launch a production-ready wallet in 4-6 weeks, not 6-12 months.
4-6 weeks
To production launch
50%+
Faster integration
03
Scalable Multi-Chain Architecture
Design with EVM, Solana, and Cosmos SDK compatibility from the start. Support 15+ chains without wallet fragmentation, enabling seamless user expansion across ecosystems.
15+
Chains supported
< 2 sec
Cross-chain tx latency
04
Reduced Operational & Gas Costs
Optimize smart contract interactions and batch transactions using account abstraction (ERC-4337). Cut average user gas fees by 40-60% and lower your relay infrastructure costs.
40-60%
Gas cost reduction
ERC-4337
Standard deployed
05
Enhanced Developer Experience & Adoption
Provide comprehensive SDKs, clear APIs, and in-wallet dApp browsers. Empower third-party developers to build on your wallet, driving ecosystem growth and user retention.
3+
Platform SDKs
95%
API uptime SLA
06
Regulatory Compliance by Design
Architect with travel rule (VASP) compliance, transaction monitoring, and permissioned features built-in. Simplify audits and accelerate licensing in regulated markets.
FATF Travel Rule
Protocol ready
KYC/AML
Integrations available
Strategic Analysis
Build vs. Buy: Mobile Wallet Protocol Strategy
A detailed comparison of developing a mobile wallet protocol in-house versus leveraging Chainscore Labs' specialized consulting and development services.
| Strategic Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Time to Production Launch | 6-12 months | 8-16 weeks |
Initial Development Cost | $250K - $600K+ | $80K - $200K |
Core Protocol Security | High Risk (unaudited, novel code) | Low Risk (audited patterns, formal verification) |
Multi-Chain Support (e.g., EVM, Solana, Cosmos) | Requires separate R&D per chain | Pre-built adapters & cross-chain standards |
Key Management Architecture | Custom implementation risk | Proven MPC/TSS/AA wallet blueprints |
Ongoing Protocol Upgrades & Maintenance | Full internal team burden | Optional Retainer & SLA support |
Access to Wallet Ecosystem (DEXs, Bridges, dApps) | Manual integrations required | Pre-integrated partner network |
Team Composition Needed | 5-7 Sr. Blockchain Engineers + Researchers | Your core team + our dedicated pod |
Total Cost of Ownership (Year 1) | $500K - $1.2M+ | $150K - $350K |
how-we-deliver
METHODOLOGY
Our Protocol Design Process
A structured, security-first approach to designing mobile wallet protocols that are scalable, secure, and deliver a superior user experience. We translate complex requirements into production-ready architecture.
01
Architecture & Threat Modeling
We begin with a comprehensive threat model, identifying attack vectors for key management, transaction signing, and network communication. This results in a secure-by-design architecture diagram and technical specification document.
OWASP
Compliance
100%
Coverage
02
Key Management Design
Designing secure, user-friendly key storage and recovery flows. We evaluate and implement solutions like MPC (Multi-Party Computation), social recovery, and hardware security modules (HSM) based on your risk profile.
MPC/HSM
Standards
Zero-Trust
Model
03
Transaction Lifecycle Specification
Defining the end-to-end flow for transaction construction, signing, simulation, and broadcasting. We optimize for speed, reliability, and gas efficiency across EVM, Solana, and other target chains.
< 2 sec
Signing Time
Multi-Chain
Support
04
API & SDK Blueprint
Creating the interface between your wallet and the blockchain. We design clean, versioned REST/WebSocket APIs and client SDKs (React Native, Flutter, Swift, Kotlin) for seamless integration.
OpenAPI
Spec
TypeScript
SDK
05
Security Audit Preparation
We prepare all technical documentation, test vectors, and security assumptions required for a formal audit. Our designs are built with OpenZeppelin standards and are pre-vetted by our internal security team.
Audit-Ready
Deliverable
OZ Patterns
Compliance
06
Implementation Roadmap
A phased delivery plan with clear milestones, resource estimates, and go-live criteria. We provide sprint-by-sprint breakdowns for your engineering team or our development partners.
Phased
Delivery
2-4 Weeks
Design Phase
Expert Answers for Technical Leaders
Mobile Wallet Protocol Design FAQs
Common questions from CTOs and product leads evaluating mobile wallet protocol development partners. Based on our experience delivering 50+ secure wallet integrations.
Our process follows a structured 4-phase approach: Discovery & Scoping (1 week), Architecture & Design (1-2 weeks), Development & Integration (2-4 weeks), and Security Audit & Deployment (1-2 weeks). A typical end-to-end project for a custom MPC wallet or protocol integration takes 4-8 weeks. We provide weekly sprint demos and maintain a shared Jira board for full transparency.
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