We architect and deploy custom Solidity/Rust smart contracts with enterprise-grade security as the foundation. Every line of code follows OpenZeppelin standards and undergoes rigorous audits before deployment.
LABS
Services
Hardware Wallet Privacy Feature Integration
We embed advanced privacy features like stealth address generation and confidential transaction signing directly into hardware wallet firmware. Secure your assets with cold storage security for next-generation privacy protocols.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists.
- Full Lifecycle Ownership: From initial design and development to deployment, monitoring, and upgrade management.
- Protocol-Specific Expertise: DeFi (AMMs, lending), NFTs (ERC-721A, ERC-1155), DAOs, and cross-chain bridges.
- Guaranteed Security: Multi-stage review process including static analysis, manual auditing, and formal verification for critical logic.
- Developer Experience: Comprehensive documentation, testing suites, and deployment scripts for your team.
Deliver a secure, audited, and maintainable codebase in 2-4 weeks, eliminating the single biggest technical risk in your Web3 project.
key-features-cards
SECURE BY DESIGN
Core Technical Capabilities
Our integration services are built on a foundation of proven security engineering and deep protocol expertise, delivering production-ready privacy features without compromising on wallet integrity or user experience.
05
Transaction Graph Obfuscation & Mixing
Integrate privacy pools and coin mixing techniques to break deterministic links between transactions. Protect user financial data from blockchain analysis and surveillance.
Trustless Setup
Architecture
Chaumian / SNARKs
Method
06
Audit-Ready Code & Compliance Frameworks
Deliver fully documented, auditable codebases adhering to financial-grade security standards. Includes threat modeling, penetration testing reports, and regulatory guidance for privacy features.
Trail of Bits
Audit Partner
ISO 27001
Process Alignment
benefits
TANGIBLE RESULTS
Business Outcomes for Your Product
Integrating hardware wallet privacy features is a technical investment. We translate that into measurable business value, security assurance, and a superior user experience that drives adoption.
01
Enhanced User Trust & Security
We implement hardware-based signing for critical transactions, isolating private keys from internet-connected devices. This demonstrably reduces the risk of hot wallet exploits and phishing attacks, a key selling point for security-conscious users.
100%
Key Isolation
ISO 27001
Compliance Framework
02
Reduced Operational Risk & Liability
By offloading key management to certified hardware (Ledger, Trezor), your application's attack surface shrinks. This minimizes your custodial liability and potential losses from application-layer vulnerabilities, directly impacting your risk profile and insurance costs.
> 90%
Attack Surface Reduction
SOC 2
Audit Readiness
03
Competitive Market Differentiation
Offer "Bank-Grade Security" as a core feature. In a crowded market, native hardware wallet support with privacy features (e.g., stealth addresses, confidential transactions) becomes a decisive factor for institutional and high-net-worth users choosing your platform.
1st Party
Feature Parity
< 4 Weeks
Time-to-Market
04
Seamless, Frictionless UX
We build intuitive integration flows that abstract wallet complexity. Users enjoy one-click confirmations from their hardware device without compromising security, leading to higher completion rates for high-value DeFi, NFT, and governance transactions.
< 2s
Avg. Signing Time
99.9%
Success Rate
05
Future-Proof Architecture
Our integration is built with modularity and standards (EIP-4337, EIP-5792) in mind. This ensures compatibility with emerging wallet ecosystems, new hardware models, and evolving privacy-preserving protocols without costly re-engineering.
EIP-4337
Standard Support
Multi-Vendor
Hardware Agnostic
Strategic Decision Analysis
Build vs. Buy: Hardware Wallet Privacy Integration
A detailed comparison of the cost, risk, and time implications of developing a custom privacy solution for hardware wallets in-house versus partnering with Chainscore Labs for a secure, audited integration.
| Factor | Build In-House | Chainscore Integration |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Upfront Development Cost | $150K - $400K+ | $25K - $75K |
Security Audit Requirement | High (Your Responsibility) | Included (Pre-Audited Modules) |
Expertise Required | Cryptography, MPC, Secure Element SDKs | Provided by Our Team |
Ongoing Maintenance & Updates | Your team (2+ FTE) | Optional SLA from $15K/year |
Integration Complexity | High (Ledger/Trezor SDKs, ZK Circuits) | Managed (API-First, Plug-and-Play) |
Compliance Risk | High (Unaudited Code) | Low (Audited, Battle-Tested) |
Supported Protocols | Custom Scope Only | Ethereum, Solana, Cosmos, Sui, Aptos |
Total Year 1 Cost | $300K - $600K+ | $40K - $90K |
how-we-deliver
CERTIFIED BY INDUSTRY LEADERS
Our Secure Development Process
We deliver hardware wallet integrations with military-grade security protocols, ensuring your users' private keys never leave their devices. Our process is built on verifiable audits and zero-trust architecture.
02
Secure SDK Integration
Our engineers implement battle-tested libraries (Web3.js, Ethers.js v6, Solana Web3) with hardened wrappers. We enforce strict origin validation, implement nonce replay protection, and ensure all signing requests are human-readable via structured data (EIP-712).
100% TypeScript
Code Coverage
Ethers.js v6+
Core Library
04
Penetration Testing & QA
We simulate real-world attack vectors through manual pen-testing and automated suites. Tests include physical device tampering, malicious dApp impersonation, and network interception to ensure the integration withstands adversarial conditions before mainnet deployment.
OWASP Top 10
Compliance
Manual + Automated
Testing
05
Deployment & Monitoring
We manage the secure rollout with versioned SDK packages and provide integration guides for your team. Post-launch, we implement monitoring for anomalous signing request patterns and maintain CVE alerts for all dependent libraries.
< 72 hours
Response SLA
Versioned SDK
Delivery
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts on EVM and Solana that power your core business logic. Our focus is on security-first development, using audited libraries like OpenZeppelin and rigorous testing to prevent exploits and ensure reliability.
- Full Lifecycle Development: From initial design and
Solidity/Rustcoding to deployment and on-chain verification. - Comprehensive Security: Formal verification, unit/integration testing, and third-party audit preparation.
- Gas Optimization: Code reviews to minimize transaction costs and maximize user efficiency.
- Upgradeable Patterns: Implementation of proxy patterns (
ERC-1967,Beacon) for seamless future upgrades.
Deliver a secure, auditable, and maintainable codebase that reduces time-to-market and technical debt.
Hardware Wallet Integration
Frequently Asked Questions
Common questions from CTOs and founders about integrating advanced privacy features into hardware wallet solutions.
A standard integration project, such as adding CoinJoin or confidential transactions, takes 4-8 weeks from kickoff to production-ready firmware. This includes architecture review, secure element SDK development, UI/UX updates, and penetration testing. Complex features like zero-knowledge proof support or multi-party computation can extend to 12-16 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