We architect and deploy production-grade smart contracts that form the backbone of your Web3 application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
LABS
Services
CosmWasm & Substrate Event Integration
We build and deploy custom, high-reliability event listeners for CosmWasm smart contracts on IBC-enabled chains and Substrate pallet hooks on Polkadot parachains. Power real-time, interoperable applications with a managed service.
Chainscore © 2026
overview
CORE INFRASTRUCTURE
Custom Smart Contract Development
Secure, audited smart contracts built to your exact specifications, from tokens to complex DeFi logic.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155contracts with minting, vesting, and governance modules. - DeFi & dApps: Automated market makers (AMMs), staking pools, lending protocols, and multi-signature wallets.
- Enterprise Logic: Custom business rules, access control, and upgradeable contracts using
OpenZeppelinstandards andProxypatterns.
We deliver battle-tested code with a documented security review, enabling you to launch with confidence and scale without refactoring.
key-features-cards
BUILDING ON COSMWASM & SUBSTRATE
Core Technical Capabilities We Deliver
We architect and deploy production-grade blockchain infrastructure with a focus on security, scalability, and seamless interoperability. Our team delivers measurable outcomes, not just code.
01
Custom CosmWasm Smart Contract Development
We build secure, gas-optimized CosmWasm contracts for DeFi, NFTs, and DAOs. Our development includes formal verification patterns and integration with IBC for cross-chain functionality.
100%
Rust-based
OpenZeppelin
Security Patterns
02
Substrate Pallet Design & Integration
We design and integrate custom Substrate pallets to extend your chain's native functionality. Our work includes runtime upgrades, custom consensus mechanisms, and on-chain governance modules.
Production
Runtime Upgrades
No Fork
Governance
03
Real-Time Event Indexing & Processing
We implement robust off-chain indexers to capture, process, and store on-chain events from CosmWasm and Substrate. This enables real-time analytics, notifications, and data feeds for your dApp.
< 1 sec
Event Latency
PostgreSQL
Data Store
04
Cross-Chain IBC Integration & Relaying
We connect your application to the Inter-Blockchain Communication (IBC) protocol. Our services include setting up relayer infrastructure, IBC packet handling, and cross-chain smart contract calls.
Multi-Chain
Connectivity
Hermes/Go
Relayer
05
Node Infrastructure & RPC Endpoints
We provision, secure, and maintain high-availability validator nodes, archive nodes, and public/private RPC endpoints for both Cosmos SDK and Substrate-based chains.
99.9%
Uptime SLA
Global
CDN
06
Security Audits & Best Practices
Every delivery includes rigorous security reviews following industry standards. We implement checks for reentrancy, overflow, and privilege escalation, with documentation for external auditor handoff.
Comprehensive
Test Coverage
Audit-Ready
Codebase
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Team
We translate complex CosmWasm and Substrate event integration into measurable results for your engineering and product teams. Our focus is on delivering production-ready infrastructure with clear SLAs.
01
Production-Ready Event Pipelines
Deploy reliable, scalable event listeners and indexers for CosmWasm and Substrate chains. We deliver battle-tested infrastructure with 99.9% uptime SLA and < 1 second event processing latency.
99.9%
Uptime SLA
< 1 sec
Processing Latency
02
Accelerated Time-to-Market
Go from concept to live integration in weeks, not months. Our standardized frameworks and reusable components for Substrate pallet events and CosmWasm contract interactions cut development cycles by 60-70%.
2-4 weeks
Typical Deployment
60-70%
Faster Development
03
Enterprise-Grade Security & Audits
All integration code undergoes rigorous security review. We follow OpenZeppelin patterns for CosmWasm and Parity's best practices for Substrate, with optional formal verification for critical logic.
100%
Code Review Coverage
Zero
Critical Bugs Shipped
04
Reduced Operational Overhead
Eliminate the burden of managing blockchain node infrastructure and custom indexers. We handle node synchronization, data persistence, and monitoring, freeing your team to focus on core product features.
24/7
Infra Monitoring
> 50%
Ops Cost Reduction
05
Guaranteed Data Consistency
Ensure your application state is perfectly synchronized with on-chain events. We implement idempotent processing, replay protection, and state reconciliation to prevent data gaps or duplicates.
100%
Event Delivery
Zero
Data Loss
06
Expert Support & Knowledge Transfer
Get direct access to our engineers specializing in Rust, CosmWasm, and Substrate. We provide comprehensive documentation, runbooks, and knowledge transfer to empower your in-house team.
< 1 hour
Avg. Support Response
Full
Source Code Ownership
CosmWasm & Substrate Event Integration
Technical Specifications & Deliverables
Compare our service tiers for integrating off-chain data and events with your CosmWasm or Substrate-based blockchain.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Oracle Adapter Development | |||
Multi-Source Data Aggregation | 1 Source | Up to 5 Sources | Unlimited Sources |
Event-Driven Smart Contract Triggers | |||
Security Audit & Penetration Testing | Basic Review | Full Audit Report | Full Audit + Quarterly Reviews |
Deployment & Configuration Support | Documentation Only | Guided Deployment | Full Managed Deployment |
Monitoring & Alerting | Basic Logs | Dashboard + Alerts | 24/7 Proactive Monitoring |
Guaranteed Uptime SLA | 99.5% | 99.9% | 99.99% |
Incident Response Time | Best Effort | < 12 Hours | < 1 Hour |
Ongoing Maintenance & Updates | Self-Service | 1 Year Included | Dedicated Engineer |
Estimated Delivery Timeline | 3-4 Weeks | 6-8 Weeks | Custom |
Starting Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Deployment Process
A streamlined, security-first approach to integrating CosmWasm and Substrate event data, designed to get your application live and reliable in weeks, not months.
01
Architecture & Design Review
We analyze your existing Substrate pallets and data flows to design an optimal CosmWasm integration strategy. This ensures efficient event indexing, minimal chain bloat, and clear contract boundaries from day one.
1-2 days
Design Sprint
Zero
Architecture Debt
02
Smart Contract Development
Development of secure, auditable CosmWasm contracts in Rust. We implement custom logic for processing Substrate events, handling cross-chain state, and executing business logic with gas-optimized execution paths.
Rust 1.70+
Language
cw-multi-test
Testing Suite
03
Event Indexer & Listener Deployment
Deployment of a dedicated, high-availability service that listens to your Substrate chain, parses custom events, and relays them to your CosmWasm contracts. Built for resilience and sub-second latency.
< 500ms
Event Latency
99.9% SLA
Uptime
04
Security Audit & Hardening
Rigorous security review of the entire integration stack, including contract logic, event parsing, and access control. We follow OpenZeppelin patterns and conduct internal audits before mainnet deployment.
3+ Audits
Per Contract
Zero
Critical Bugs
05
Staging & Testnet Deployment
Full deployment to a staging environment mirroring your production Substrate testnet. We execute comprehensive integration tests, load tests the event pipeline, and simulate failure scenarios.
100%
Code Coverage
> 1000 TPS
Load Tested
06
Production Launch & Monitoring
Managed deployment to your mainnet with zero-downtime migration strategies. We provide 24/7 monitoring dashboards for contract activity, event throughput, and system health, with automated alerts.
< 2 weeks
To Production
24/7
Health Monitoring
CosmWasm & Substrate Event Integration
Frequently Asked Questions
Get clear answers on our development process, security, and support for your blockchain event integration project.
We follow a structured 4-phase process: 1) Discovery & Scoping (1 week): We analyze your smart contracts and Substrate pallets to define event schemas and integration points. 2) Architecture & Design (1-2 weeks): We design the off-chain listener, data pipeline, and API endpoints, ensuring scalability. 3) Development & Testing (2-4 weeks): Our team builds the integration with rigorous unit, integration, and load testing. 4) Deployment & Handover (1 week): We deploy to your environment, provide documentation, and conduct knowledge transfer. This process has delivered 30+ successful integrations.
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