Private Cross-Chain Bridge App Development | Chainscore Labs

overview

CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built by Web3 experts to power your decentralized applications.

We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on industry-leading security standards and delivers audit-ready code from day one.

Full Lifecycle Development: From initial design and Solidity/Rust coding to deployment, verification, and on-chain monitoring.
Security-First Approach: Adherence to OpenZeppelin libraries, formal verification practices, and comprehensive unit/integration testing.
Protocol-Specific Expertise: Deep experience with ERC-20, ERC-721, ERC-1155, and custom standards for DeFi, NFTs, and DAOs.

We deliver contracts that are not just functional, but are optimized for gas efficiency, upgradeability, and long-term maintainability.

Our engineers focus on real-world outcomes: reducing your time-to-market, minimizing audit cycles, and ensuring your core logic performs flawlessly under mainnet conditions. We build with the future in mind, implementing patterns like proxy contracts and modular design to future-proof your investment.

key-features-cards

ENGINEERED FOR ENTERPRISE

Core Technical Capabilities

Our private cross-chain bridge mobile app is built on a foundation of battle-tested infrastructure and security-first engineering. We deliver production-ready solutions that meet the stringent demands of institutional clients and high-growth startups.

Custom Bridge Protocol Development

We build bespoke, non-custodial bridging protocols using industry standards like Axelar GMP, LayerZero, or Wormhole. Our implementations support native asset transfers, arbitrary message passing, and custom gas management for seamless user experiences.

Secure Mobile SDK & Wallet Integration

Native iOS/Android SDKs with seamless integration for Web3 wallets (MetaMask, WalletConnect, Phantom). Features include secure key management, biometric authentication, and real-time transaction status tracking directly within your app.

Multi-Chain Smart Contract Suite

Deployment and auditing of a unified smart contract system across EVM (Ethereum, Polygon, Arbitrum) and non-EVM (Solana, Cosmos) chains. Contracts are built with OpenZeppelin libraries and undergo formal verification.

Real-Time Relayer & Monitoring

High-availability relayer infrastructure with 24/7 monitoring, automatic failover, and alerting. Our system guarantees transaction submission across chains with configurable gas strategies and nonce management.

Compliance & Risk Engine

Integrated AML/KYC checks, transaction screening, and wallet risk scoring via partners like Chainalysis or TRM Labs. Configurable rules engine for sanctions compliance and regulatory reporting per jurisdiction.

Analytics Dashboard & APIs

White-labeled dashboard for tracking bridge volume, user activity, fee revenue, and chain health. Full REST and WebSocket APIs for programmatic access to all bridge data and operational controls.

benefits

DELIVERABLES

Business Outcomes for Your Product

Our Private Cross-Chain Bridge Mobile App delivers measurable results for your business, from accelerated time-to-market to hardened security and seamless user experience.

Accelerated Time-to-Market

Deploy a fully functional, white-labeled mobile bridge app in under 4 weeks. We handle the full stack—from smart contracts to UI/UX—so your team can focus on core product features.

< 4 weeks

Deployment Time

Bridge Dev Headcount

Enterprise-Grade Security

Bridge infrastructure built with audited smart contracts (OpenZeppelin) and secure MPC/TSS key management. Includes penetration testing and a formal verification report for your peace of mind.

100%

Audited Code

SOC 2

Compliance Ready

Seamless Multi-Chain UX

Native mobile experience supporting Ethereum, Polygon, Arbitrum, and Base. Features include one-click swaps, real-time status tracking, and push notifications for transaction completion.

< 60 sec

Avg. Bridge Time

Supported Chains

Reduced Operational Overhead

We manage bridge relayers, node infrastructure, and gas optimization with a 99.9% uptime SLA. Eliminates the need for your team to monitor and maintain cross-chain infrastructure.

99.9%

Uptime SLA

24/7

Infra Monitoring

Custom Token & Fee Economics

Tailor the bridge for your token's specific needs—custom fee models (fixed, percentage), whitelisting, and integration with your existing loyalty or governance systems.

Flexible

Fee Models

Native

Token Integration

Scalable Architecture

Designed to handle volume spikes from product launches or promotions. Modular architecture allows for easy addition of new chains (Avalanche, Solana) as your ecosystem grows.

10k+

TPS Capacity

Modular

Chain Expansion

Infrastructure Decision Matrix

Build vs. Buy: Private Bridge vs. Standard SDK

A detailed comparison of the cost, time, and risk involved in developing a custom cross-chain bridge in-house versus using Chainscore's managed Private Bridge SDK for mobile applications.

Key Factor	Build In-House Bridge	Chainscore Private Bridge SDK
Time to Production	6-12+ months	4-8 weeks
Initial Development Cost	$250K - $600K+	$50K - $150K
Security Posture	High Risk (unaudited, custom code)	Low Risk (audited, battle-tested core)
Core Team Required	3-5 Senior Blockchain Engineers	1-2 Integration Developers
Ongoing Maintenance & Updates	Full team overhead for protocol changes	Handled by Chainscore SLA
Supported Chains (Out-of-box)	You build each integration	Ethereum, Polygon, Arbitrum, Base, Solana, more
Mobile SDK Features	Custom implementation required	Pre-built: Wallet Connect, gas estimation, signing
Uptime & Reliability SLA	Your responsibility (costly to ensure)	99.9% Guaranteed
Total Cost of Ownership (Year 1)	$400K - $800K+	$75K - $200K

how-we-deliver

PREDICTABLE TIMELINE

Our 4-Week Delivery Process

We deliver a secure, production-ready private cross-chain bridge mobile app in a structured, four-phase sprint. This predictable process minimizes your time-to-market and technical risk.

Week 1: Architecture & Design Sprint

We define your bridge's core architecture, including chain selection (e.g., EVM, Solana, Cosmos SDK), security model, and user flow. You receive a finalized technical specification and UI/UX wireframes for approval.

Technical Spec

2-3

Chain Integrations Planned

Week 2-3: Core Development & Smart Contracts

Our engineers build the secure bridge logic, including audited smart contracts for asset locking/minting and the mobile SDK. We implement the chosen consensus mechanism (e.g., MPC, light clients) for cross-chain verification.

100%

Code Coverage

OpenZeppelin

Security Foundation

Week 4: Integration, Testing & Deployment

We integrate the bridge backend with your mobile frontend, conduct rigorous security and load testing, and deploy the complete stack to your chosen infrastructure (AWS, GCP) and app stores.

< 3 sec

Target Tx Finality

Testnet Live

Week 4 Deliverable

Post-Launch: Monitoring & Support

We provide 30 days of included monitoring for bridge health, transaction success rates, and security alerts. Optional ongoing DevOps and upgrade support ensures long-term reliability.

24/7

Alerting

99.5%

Uptime SLA

security

CORE INFRASTRUCTURE

Smart Contract Development

Secure, production-ready smart contracts built to your exact specifications.

We architect and deploy custom Solidity/Rust smart contracts that form the unbreakable backbone of your application. Our process includes:

Formal specification to align on logic and security requirements.
Gas-optimized code using established patterns from OpenZeppelin.
Comprehensive testing with 95%+ coverage across unit, integration, and fork tests.
Third-party audits coordinated with leading firms like CertiK and Trail of Bits.

Deliver a secure, audited, and fully documented smart contract system in as little as 4 weeks.

We specialize in:

DeFi Primitives: Custom AMMs, lending pools, and yield aggregators.
NFT Ecosystems: ERC-721A, ERC-1155 with advanced minting and royalty mechanics.
Cross-Chain Bridges: Secure message passing and asset transfer protocols.

Private Cross-Chain Bridge Development

Frequently Asked Questions

Get clear answers on timelines, security, and process for building a secure, private cross-chain mobile application.

A production-ready private cross-chain bridge mobile app typically takes 6-10 weeks from kickoff to mainnet deployment. This includes 2 weeks for architecture and smart contract design, 3-4 weeks for core development and integration, 1 week for security audit review, and 2 weeks for testing and deployment. Complex multi-chain integrations or custom privacy features can extend the timeline.

Private Cross-Chain Bridge Mobile App Development

Smart Contract Development

Core Technical Capabilities

Custom Bridge Protocol Development

Secure Mobile SDK & Wallet Integration

Multi-Chain Smart Contract Suite

Real-Time Relayer & Monitoring

Compliance & Risk Engine

Analytics Dashboard & APIs

Business Outcomes for Your Product

Accelerated Time-to-Market

Enterprise-Grade Security

Seamless Multi-Chain UX

Reduced Operational Overhead

Custom Token & Fee Economics

Scalable Architecture

Build vs. Buy: Private Bridge vs. Standard SDK

Our 4-Week Delivery Process

Week 1: Architecture & Design Sprint

Week 2-3: Core Development & Smart Contracts

Week 4: Integration, Testing & Deployment

Post-Launch: Monitoring & Support

Smart Contract Development

Frequently Asked Questions

Get a free quote.

Get In Touch
today.

Private Cross-Chain Bridge Mobile App Development

Smart Contract Development

Core Technical Capabilities

Custom Bridge Protocol Development

Secure Mobile SDK & Wallet Integration

Multi-Chain Smart Contract Suite

Real-Time Relayer & Monitoring

Compliance & Risk Engine

Analytics Dashboard & APIs

Business Outcomes for Your Product

Accelerated Time-to-Market

Enterprise-Grade Security

Seamless Multi-Chain UX

Reduced Operational Overhead

Custom Token & Fee Economics

Scalable Architecture

Build vs. Buy: Private Bridge vs. Standard SDK

Our 4-Week Delivery Process

Week 1: Architecture & Design Sprint

Week 2-3: Core Development & Smart Contracts

Week 4: Integration, Testing & Deployment

Post-Launch: Monitoring & Support

Smart Contract Development

Frequently Asked Questions

Get In Touch today.

Get In Touch
today.