We architect and deploy custom smart contracts for DeFi, NFTs, DAOs, and enterprise applications. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
LABS
Services
Cross-Chain Token-Gated Messaging Bridge
Unify your community across blockchains. We develop secure bridges and relayers that enable token-gated chat access for holders on EVM, Solana, Cosmos, and other networks.
Chainscore © 2026
overview
SERVICE
Custom Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
- Core Deliverables:
Solidity/Rust/Vypercontracts, comprehensive test suites, deployment scripts, and technical documentation. - Security Standards: Adherence to OpenZeppelin patterns, formal verification for critical logic, and preparation for third-party audits.
- Typical Outcomes: A fully audited, mainnet-ready contract suite delivered in 2-4 weeks, with 99.9% uptime post-launch support.
key-features-cards
BUILT FOR SCALE
Core Technical Capabilities
Our cross-chain messaging bridge is engineered for enterprise-grade reliability, security, and developer experience. We deliver the foundational infrastructure so you can focus on your product.
01
Multi-Chain Smart Contract Architecture
Deploy a unified set of token-gating logic across Ethereum, Polygon, Arbitrum, and other EVM chains. We manage the complexity of chain-specific deployments and upgrades.
10+
Supported Chains
Single Source
Contract Logic
02
Secure Message Relaying & Validation
Proprietary relayer network with cryptographic proof verification (e.g., Merkle proofs, zk-SNARKs) to guarantee message integrity and prevent double-spending across chains.
99.9%
Uptime SLA
< 2 min
Avg. Finality
03
Flexible Token-Gating Engine
Define complex access rules based on ERC-20 holdings, NFT membership, or custom SBTs. Supports dynamic rules updated via DAO governance or admin controls.
Any ERC Standard
Token Support
Sub-Second
Gate Check
04
Gas Optimization & Cost Management
Engineered contracts and relay strategies minimize gas costs for end-users. We implement meta-transactions and sponsored transaction patterns where applicable.
Up to 40%
Gas Savings
Predictable
Fee Model
05
Comprehensive Monitoring & Alerts
Real-time dashboards for bridge health, message queue status, and failed transactions. Get instant alerts for security events or performance degradation.
24/7
Monitoring
< 60 sec
Alert Time
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our Cross-Chain Token-Gated Messaging Bridge delivers concrete, measurable results that accelerate your go-to-market strategy and enhance platform security.
02
Provably Secure Message Relays
Messages are signed, verified, and relayed using audited smart contracts. Our architecture prevents replay attacks and ensures message integrity across chains, backed by a 99.9% uptime SLA.
99.9%
Uptime SLA
< 2 sec
Relay Latency
03
Rapid Integration & Deployment
Leverage our modular SDK and pre-built connectors for EVM chains. Go from concept to a production-ready bridge in under 3 weeks, with full documentation and developer support.
< 3 weeks
To Production
5+
EVM Chains Supported
Choose the Right Level of Support
Structured Development Tiers
Compare our tiered service packages for building a secure, production-ready cross-chain token-gated messaging bridge. Each tier includes core development with increasing levels of security, support, and operational management.
| Feature / Specification | Starter | Professional | Enterprise |
|---|---|---|---|
Core Bridge Smart Contracts | |||
Token Gating Logic & Access Control | |||
Smart Contract Audit (by 3rd Party) | Basic Review | Full Security Audit | Full Audit + Formal Verification |
Supported Chains (Initial) | 2 Chains | Up to 5 Chains | Custom Multi-Chain Architecture |
Deployment & Configuration Support | Self-Serve Guides | Hands-On Deployment | Full Infrastructure Setup |
Monitoring & Alerting Dashboard | Basic Metrics | Advanced Analytics & Alerts | Custom Dashboards & SLA Reporting |
Incident Response Time | Best Effort | < 12 Hours | < 1 Hour (24/7) |
Uptime & Performance SLA | 99.5% | 99.9% | |
Ongoing Maintenance & Upgrades | Manual Updates | Scheduled Maintenance | Proactive Management & Patching |
Estimated Delivery Timeline | 4-6 Weeks | 6-10 Weeks | 10+ Weeks |
Starting Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
BUILDING WITH PRECISION
Our Delivery Methodology
We deliver production-ready, secure cross-chain messaging infrastructure through a structured, transparent process designed for technical leaders. Each phase is built on verifiable security practices and measurable outcomes.
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts for DeFi, NFTs, and enterprise applications.
We architect, develop, and deploy custom smart contracts that are secure by design. Our contracts are built on Solidity 0.8+ and Rust (Solana) using OpenZeppelin libraries and industry-standard security patterns.
From concept to mainnet, we deliver contracts you can stake your business on.
Our full-service development includes:
- Custom Logic: Tailored
ERC-20,ERC-721, and bespoke token standards. - Security-First: Multi-stage audits, formal verification, and gas optimization.
- Full Lifecycle: Deployment, upgradeability planning with proxies, and on-chain monitoring.
We specialize in high-stakes applications:
- DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing platforms, and yield aggregators.
- NFT Ecosystems: Generative collections, marketplaces with royalties, and utility-driven tokens.
- Enterprise Solutions: Supply chain tracking, asset tokenization, and secure multi-sig governance.
Cross-Chain Token-Gated Messaging
Frequently Asked Questions
Common questions from CTOs and technical founders about implementing a secure, scalable bridge for token-gated messaging across blockchains.
A production-ready, audited cross-chain token-gated messaging bridge typically takes 4-8 weeks from kickoff to mainnet deployment. This includes architecture design, smart contract development, integration of your token logic, security audits, and deployment on your specified chains. We provide a detailed project plan within the first week.
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