We architect and deploy custom smart contracts on EVM and Solana that are secure, gas-optimized, and ready for mainnet. Our development process is built for enterprise-grade reliability and includes formal verification for critical logic.
LABS
Services
Cross-Chain Identity Bridge Development
We build secure, message-passing bridges and light client verifiers to enable portable identity states and verifiable credentials across heterogeneous blockchain networks.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built for production from day one.
- Production-Ready Code: Built with
Solidity 0.8+andRust, using OpenZeppelin standards and battle-tested patterns. - Comprehensive Audits: Every contract undergoes internal review and third-party audits from firms like CertiK or Quantstamp.
- Gas Optimization: We achieve up to 40% lower gas costs through efficient storage patterns and bytecode optimization.
We deliver contracts with a 99.9% uptime SLA and full deployment scripts, enabling you to launch your core protocol logic in as little as 4 weeks.
key-features-cards
ARCHITECTURE & SECURITY
Core Technical Capabilities
We build production-ready cross-chain identity bridges with enterprise-grade security, interoperability, and performance. Our solutions are designed for high-volume, mission-critical applications.
03
Relayer Infrastructure & Monitoring
Managed, high-availability relayer network for secure message passing between chains. Includes 24/7 monitoring, automated failover, and detailed analytics dashboards for transaction health and bridge state.
99.9%
Uptime SLA
< 2 sec
Relay Latency
05
Comprehensive Security Audits
Every bridge deployment undergoes rigorous security assessment, including automated analysis (Slither), manual review by our senior engineers, and optional third-party audits with firms like CertiK or Halborn.
3-Layer
Audit Process
Critical: 0
Target Findings
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our Cross-Chain Identity Bridge development delivers measurable infrastructure improvements, reducing operational overhead and accelerating your time-to-market.
01
Unified User Onboarding
Deploy a single sign-on experience across Ethereum, Polygon, and Solana, reducing user acquisition friction by up to 70%. We implement secure, non-custodial identity linking protocols.
70%
Reduced Friction
3 Chains
Default Support
02
Provably Secure Architecture
Receive a production-ready bridge with formal verification reports and audits from firms like CertiK or Quantstamp. We implement battle-tested relayers and zero-knowledge proof systems for data integrity.
100%
Audit Coverage
ZK-Proofs
Data Integrity
03
Sub-Second State Synchronization
Achieve near-instant identity state propagation between chains using optimized message-passing layers (e.g., LayerZero, Axelar, or Wormhole). Eliminate user wait times for profile updates.
< 1 sec
Sync Time
99.9%
Reliability SLA
04
Compliance-Ready Identity Proofs
Integrate verifiable credentials (W3C VC) and decentralized identifiers (DIDs) to meet regulatory requirements for KYC/AML across jurisdictions, without centralizing user data.
W3C VC
Standard
GDPR-ready
Compliance
05
Reduced Gas & Operational Costs
Our gas-optimized smart contracts and efficient relayer design cut cross-chain transaction fees by over 40% compared to generic bridge implementations, directly lowering your platform's operational burn.
40%
Fee Reduction
Optimized
Relayer Design
06
Modular, Future-Proof Stack
Get a modular architecture that allows easy integration of new chains (e.g., Arbitrum, Base) and identity primitives (e.g., SBTs, Proof of Personhood). Scale without rewriting core logic.
2 Weeks
New Chain Integration
Modular
Architecture
Choose Your Integration Tier
Structured Development Path
Compare our tiered service packages for building and maintaining a secure, production-ready cross-chain identity bridge.
| Capability | Starter | Professional | Enterprise |
|---|---|---|---|
Initial Architecture & Design | |||
Smart Contract Development (Solidity/Rust) | |||
Security Audit (Internal + 3rd Party) | Internal Only | Internal + 1 Partner | Internal + 2 Partners |
Deployment to 2 Testnets | |||
Mainnet Deployment Support | |||
Supported Bridge Protocols | LayerZero | LayerZero, Wormhole | LayerZero, Wormhole, Axelar, CCIP |
Integration SDK & Documentation | Basic | Comprehensive | Comprehensive + Custom Modules |
Post-Launch Monitoring (30 days) | |||
Ongoing Maintenance & Support SLA | Business Hours | 24/7 with 1-Hour Response | |
Incident Response Time | Best Effort | < 8 Business Hours | < 1 Hour |
Estimated Timeline | 6-8 Weeks | 8-12 Weeks | 12-16 Weeks |
Starting Engagement | $50K | $150K | Custom |
how-we-deliver
PROVEN FRAMEWORK
Our Delivery Methodology
We deliver production-ready cross-chain identity bridges using a structured, security-first approach that de-risks development and accelerates your time-to-market.
01
Architecture & Protocol Design
We design your bridge's core architecture, selecting optimal protocols (e.g., Axelar, LayerZero, Wormhole) and token standards (ERC-20, ERC-721) based on your specific security, cost, and interoperability requirements.
2-4 weeks
Design Phase
3+ Protocols
Evaluated
02
Smart Contract Development
Our engineers write secure, gas-optimized Solidity/Vyper contracts for mint/burn or lock/unlock mechanisms, implementing battle-tested patterns from OpenZeppelin and Chainlink CCIP.
OpenZeppelin
Standards
Gas-Optimized
Focus
03
Security & Audit Integration
Security is foundational. We integrate formal verification, unit/integration testing, and facilitate audits with top firms (e.g., CertiK, Quantstamp) before any mainnet deployment.
100%
Test Coverage
Multi-Firm
Audit Strategy
04
Relayer & Oracle Infrastructure
We build and deploy the off-chain infrastructure—secure relayers or oracle networks—that monitor events and facilitate cross-chain message passing with guaranteed uptime.
99.9%
Relayer SLA
< 2 min
Avg. Finality
05
Frontend & SDK Integration
We deliver a developer-friendly TypeScript SDK and a customizable frontend widget, enabling seamless integration of the bridge into your dApp's user interface within days.
TypeScript
SDK
< 1 week
Integration Time
06
Deployment & Monitoring
We manage the multi-chain deployment (EVM, Solana, Cosmos) and set up comprehensive monitoring, alerting, and analytics dashboards for ongoing operational oversight.
Mainnet Ready
Delivery
24/7
Health Monitoring
Cross-Chain Identity Bridge
Frequently Asked Questions
Get clear answers on development timelines, security, costs, and support for your cross-chain identity solution.
A cross-chain identity bridge is a secure protocol that allows a user's decentralized identity, credentials, and reputation to be portably verified and utilized across multiple blockchain ecosystems (e.g., Ethereum, Polygon, Arbitrum). Your project needs one to eliminate user friction, enabling seamless onboarding and interaction across your multi-chain dApp suite without requiring users to re-verify or re-establish identity on each chain. This is critical for scaling user acquisition and engagement in a multi-chain future.
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