We architect and deploy custom smart contracts for DeFi, NFTs, DAOs, and enterprise applications. Our development process ensures security, gas efficiency, and upgradability from day one, using battle-tested patterns from OpenZeppelin and rigorous internal review.
LABS
Services
Mobile Wallet for Sovereign Rollup Chains
We develop secure, high-performance mobile wallet clients tailored to your sovereign rollup's unique architecture, data availability layer, and consensus mechanism. Deploy a branded wallet in weeks, not months.
Chainscore © 2026
overview
SECURE, AUDIT-READY CODE
Custom Smart Contract Development
Production-grade smart contracts built with security-first architecture and comprehensive audit support.
Deliver a secure, fully documented, and audit-ready codebase in 2-4 weeks for a standard MVP.
- Core Deliverables:
Solidity 0.8+/Vypercontracts, deployment scripts, comprehensive test suites (>95% coverage), and technical documentation. - Security Focus: Formal verification options, integration with tools like
SlitherandMythX, and preparation for third-party audits (e.g., Quantstamp, Trail of Bits). - Protocol Expertise: Custom implementations for
ERC-20,ERC-721,ERC-1155, staking systems, multi-signature wallets, and cross-chain bridges.
key-features-cards
SOVEREIGN ROLLUP SPECIALIZATION
Core Wallet Capabilities We Deliver
We build mobile wallets that are not just interfaces, but secure, high-performance gateways to your sovereign rollup. Our focus is on seamless user onboarding, robust security, and deep chain integration to drive adoption.
01
Custom RPC & Chain Integration
Seamless integration with your rollup's RPC endpoints and native token. We handle custom transaction types, gas fee models, and chain-specific logic, ensuring your wallet speaks your chain's language from day one.
< 2 weeks
Integration Time
100%
Chain Compatibility
02
Secure Key Management
Enterprise-grade security with encrypted local keystores, optional MPC (Multi-Party Computation) support, and secure enclave utilization. Private keys never leave the user's device, backed by audited cryptographic libraries.
SOC 2
Security Framework
0
Key Leak Incidents
03
Native dApp Browser & WalletConnect
Built-in Web3 browser with deep linking for your ecosystem dApps. Full WalletConnect v2 support enables users to interact with any compatible desktop or mobile dApp directly, boosting engagement.
v2 Support
WalletConnect
Sub-Second
Connection Time
04
Multi-Asset & NFT Support
Full support for your rollup's native token, bridged assets, and custom NFT standards (ERC-721/1155 equivalents). Includes gallery views, batch transfers, and metadata rendering for a rich user experience.
Unlimited
Asset Types
Instant
Metadata Fetch
05
Push Notifications & Activity Feed
Keep users engaged with real-time push notifications for transactions, staking rewards, and governance proposals. A centralized activity feed provides a clear history of all on-chain interactions.
< 5 sec
Notification Delay
Customizable
Alert Rules
06
Biometric & Social Login
Reduce friction with Face ID, Touch ID, and fingerprint authentication. Optionally integrate social logins (Web3Auth) for non-custodial onboarding, dramatically improving user acquisition conversion.
90%+
Onboarding Success
Non-Custodial
Social Login
benefits
EXPERTISE YOU CAN TRUST
Why Partner for Sovereign Rollup Wallet Development
Building a secure, high-performance wallet for a sovereign rollup requires deep protocol expertise and battle-tested infrastructure. We deliver production-ready solutions that accelerate your time-to-market and ensure user trust.
01
Deep Rollup Protocol Expertise
Our team has built wallets for Celestia-based, Polygon CDK, and OP Stack sovereign rollups. We handle custom DA layers, fraud proofs, and cross-chain messaging so you don't have to.
5+
Rollup Frameworks
< 4 weeks
Core Integration
02
Enterprise-Grade Security
From secure enclave key management to formal verification of critical paths, we implement institutional-grade security. All code follows OpenZeppelin standards and undergoes third-party audits.
100%
Audit Coverage
SOC 2
Compliance
03
Optimized Native UX
We build performant native SDKs for iOS and Android, delivering sub-second transaction signing, seamless bridging, and intuitive NFT/Token management specific to your rollup's ecosystem.
< 1 sec
Tx Signing
60 FPS
UI Performance
04
Scalable Infrastructure
We deploy and manage the RPC nodes, indexers, and gas estimation services your wallet needs. Benefit from 99.9% uptime SLAs, multi-region failover, and real-time monitoring.
99.9%
Uptime SLA
< 100ms
RPC Latency
Choose Your Path to Market
Structured Development Tiers
Compare our tiered service packages for sovereign rollup mobile wallet development, designed to match your project's scale, security needs, and timeline.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Core Wallet SDK (iOS & Android) | |||
Multi-Chain Support (EVM & Non-EVM) | 1 Chain | Up to 3 Chains | Unlimited |
Smart Contract Wallet Integration | |||
Gas Abstraction & Sponsorship | Basic | Advanced (ERC-4337) | Custom Module |
Security Audit & Penetration Testing | Automated Scan | Manual Review + Report | Full Audit (CertiK/Quantstamp) |
Deployment & App Store Submission | |||
Support & Maintenance SLA | Email (5-day) | Priority (24h) | Dedicated Engineer (4h) |
Custom UI/UX & Branding | Limited | Full Customization | |
Biometric & Hardware Wallet Support | Biometric Only | Biometric + Ledger/Trezor | Full Suite + Custom HSM |
Time to Live (Estimated) | 6-8 weeks | 8-12 weeks | Custom Scope |
Starting Price | $25,000 | $75,000 | Contact for Quote |
tech-stack
BUILT FOR PRODUCTION
Proven Technology Stack & Protocols
We deliver mobile wallets for sovereign rollups using battle-tested, enterprise-grade components. Our stack ensures security, performance, and seamless integration from day one.
01
React Native Core
Cross-platform mobile wallet development using React Native for a single codebase, ensuring 95%+ code reuse and consistent UX across iOS and Android.
95%+
Code Reuse
2 Weeks
To MVP
02
Ethers.js & Viem Integration
Robust blockchain interaction layer with Ethers.js for broad compatibility and Viem for type-safe, high-performance rollup-specific RPC calls.
< 100ms
RPC Latency
Type-Safe
Full SDK
03
Secure Key Management
Industry-standard MPC (Multi-Party Computation) or hardware-backed keystores (Android KeyStore, iOS Secure Enclave) for private key security, eliminating single points of failure.
SOC 2
Compliant
Zero Exposure
Private Keys
04
Rollup-Specific RPC & Indexing
Direct integration with rollup sequencers (OP Stack, Arbitrum Nitro, zkSync) and custom indexers for real-time, low-latency balance and transaction data.
Sub-Second
Data Sync
99.9%
Indexer Uptime
05
WalletConnect v2 & SIWE
Full support for WalletConnect v2 for dApp connections and Sign-In with Ethereum (SIWE) for secure, non-custodial authentication flows.
v2 Protocol
Full Support
EIP-4361
SIWE Standard
06
Modular Gas Abstraction
Built-in support for paymasters, gas sponsorship, and ERC-4337 Account Abstraction, enabling seamless user onboarding with zero-gas transactions.
ERC-4337
Ready
Zero-Gas
Onboarding
process-walkthrough
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 for DeFi, NFTs, and enterprise applications. Our development process ensures security-first design, gas optimization, and comprehensive testing before mainnet deployment.
- Protocols & Standards:
ERC-20,ERC-721,ERC-1155,ERC-4626, and custom logic. - Security: Formal verification, OpenZeppelin libraries, and third-party audit preparation.
- Delivery: Full suite including source code, deployment scripts, and technical documentation.
Reduce your time-to-market from months to weeks with battle-tested contracts that have secured over $50M+ in on-chain value for our clients.
Mobile Wallet for Sovereign Rollup Chains
Frequently Asked Questions
Get clear answers on our development process, security, and support for your custom mobile wallet.
We deliver a production-ready mobile wallet for your sovereign rollup in 4-8 weeks. This includes core wallet functionality, chain integration, and a security audit. The timeline is based on our proven 4-phase methodology: Discovery & Architecture (1 week), Core Development (3-5 weeks), Security & Audit (2 weeks), and Deployment & Support (1 week). Complex features like multi-signature or advanced DeFi integrations may extend this by 1-2 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