We architect and deploy custom smart contracts on EVM and Solana that form the foundation of your protocol. Our development process includes formal verification and comprehensive testing to ensure security and reliability before mainnet deployment.
LABS
Services
Cross-Chain Data Availability Services
We design and implement the critical infrastructure to guarantee transaction proofs, state roots, and verification data are reliably available across all connected blockchains, securing your cross-chain applications.
Chainscore © 2026
overview
CORE INFRASTRUCTURE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts.
- Full Lifecycle Support: From initial design and
Solidity/Rustdevelopment to deployment, monitoring, and upgrade management. - Security-First: Adherence to OpenZeppelin standards, integration with
SlitherandMythXfor static analysis, and preparation for third-party audits. - Gas Optimization: Expert-level code to minimize transaction costs and maximize user efficiency on-chain.
Deliver a battle-tested, auditable codebase that reduces time-to-market and mitigates the risk of costly exploits.
key-features-cards
ENTERPRISE-GRADE DATA LAYER
Core Infrastructure Capabilities We Deliver
We architect and operate the foundational data availability infrastructure that powers secure, scalable cross-chain applications. Our services are built on battle-tested protocols and deliver measurable reliability.
benefits
DELIVERABLES
Business Outcomes: Secure and Scalable Interoperability
Our cross-chain data availability service provides the foundational infrastructure for building truly interconnected applications. We deliver measurable outcomes that accelerate development and de-risk your multi-chain strategy.
01
Guaranteed Data Finality
Eliminate settlement risk with our cryptographically-verified data availability layer. We guarantee that data submitted to one chain is immutably available and verifiable on any connected network, enabling trustless cross-chain operations.
99.9%
Uptime SLA
< 2 sec
Finality Time
02
Multi-Chain State Synchronization
Maintain consistent application state across Ethereum, Solana, Polygon, and other L2s. Our service provides a single source of truth for asset balances, NFT ownership, and smart contract events, simplifying complex multi-chain logic.
15+
Supported Chains
24/7
Sync Monitoring
03
Zero-Knowledge Proof Integration
Scale your interoperability with privacy. We integrate ZK-proof systems (like zk-SNARKs) to allow chains to verify data availability and state transitions without exposing sensitive transaction details, enabling compliant DeFi and enterprise use cases.
< 500ms
Proof Generation
Audited
Circuit Security
04
Fault-Tolerant Relayer Network
Ensure message delivery with our decentralized, economically-secured relayer network. Our architecture eliminates single points of failure, with automated failover and slashing mechanisms that penalize malicious or offline nodes.
100+
Active Relayers
> $10M
Security Bond
05
Standardized API & SDK
Accelerate development with our unified REST API and TypeScript/Python SDKs. Query cross-chain data, submit availability proofs, and manage relayers with a consistent interface, reducing integration time from months to weeks.
< 2 weeks
Avg. Integration
Full Docs
Developer Support
The Strategic Decision for Web3 Teams
Build vs. Buy: Data Availability Infrastructure
A detailed comparison of the total cost, risk, and time commitment required to build and maintain a custom Data Availability (DA) layer versus leveraging Chainscore's managed service.
| Factor | Build In-House | Chainscore DA Service |
|---|---|---|
Time to Production | 6-12+ months | 4-8 weeks |
Initial Development Cost | $250K - $750K+ | $0 |
Annual Maintenance & Ops Cost | $150K - $300K+ | Starting at $60K/year |
Security & Audit Burden | High (Your Responsibility) | Managed (Our Responsibility) |
Protocol & Node Expertise | Required to Hire/Build | Included |
Uptime & Reliability SLA | You define & enforce | 99.9% Guaranteed |
Multi-Chain DA Support | Custom integration per chain | Native (EVM, Solana, Cosmos SDK) |
Scalability & Upgrades | Manual, disruptive | Seamless, automatic |
Total Cost of Ownership (Year 1) | $400K - $1M+ | $60K - $180K |
Focus for Your Team | Infrastructure Plumbing | Core Product & Users |
how-we-deliver
STRUCTURED DEPLOYMENT
Our Delivery Process: From Architecture to Production
A predictable, phased approach to delivering enterprise-grade cross-chain data availability. We de-risk your integration with clear milestones, security-first architecture, and guaranteed performance SLAs.
01
1. Discovery & Architecture
We conduct a technical deep-dive to define your data flow, consensus requirements, and integration points. Deliverables include a detailed technical specification and a multi-chain architecture diagram.
2-5 days
Workshop Duration
100%
Specification Clarity
02
2. Node Infrastructure Setup
Deployment of dedicated, geo-distributed validators and relayers for your chosen chains (Ethereum, Polygon, Arbitrum, etc.). Includes automated monitoring and alerting from day one.
< 72 hours
Provisioning Time
99.95%
Node Uptime SLA
03
3. Smart Contract & SDK Integration
Development and audit of custom bridge contracts or light client verifiers. We provide a tailored SDK with documented APIs for seamless dApp integration.
OpenZeppelin
Security Standard
2-4 weeks
Avg. Dev Cycle
05
5. Staging & Load Testing
Simulated mainnet environment to validate data finality, throughput under peak load, and failure recovery. We provide a performance report with latency and TPS benchmarks.
< 2 sec
Avg. Finality
10,000+ TPS
Stress Test Scale
06
6. Production Go-Live & 24/7 Support
Managed cutover to production with zero downtime. You receive a dedicated SRE dashboard and 24/7 incident response under a comprehensive service level agreement.
24/7
SRE Support
99.9%
System Uptime SLA
security-approach
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built for production by expert Solidity engineers.
We architect and deploy custom smart contracts on EVM-compatible chains like Ethereum, Polygon, and Arbitrum. Our code is built for security and gas efficiency from day one, using OpenZeppelin standards and battle-tested patterns.
Deliver a production-ready, audited contract suite in 2-4 weeks, not months.
- Full Lifecycle Development: From specification and
Solidity 0.8+coding to deployment and verification. - Security-First: Mandatory internal audits, formal verification, and integration with tools like
SlitherandMythX. - Gas Optimization: Every contract is profiled and optimized to reduce user transaction costs by 20-40%.
- Comprehensive Testing: Unit, integration, and fork-testing on mainnet simulations ensure reliability.
For Technical Decision Makers
Cross-Chain Data Availability: Key Questions
Get clear, technical answers to the most common questions CTOs and engineering leads ask when evaluating cross-chain data availability solutions.
We implement a multi-layered security model. All data is cryptographically committed using Merkle roots on the source chain (e.g., Ethereum, Arbitrum). Our relayers and attestation networks use threshold signatures and run on geographically distributed, permissioned nodes. Every deployment undergoes a formal security audit by firms like Quantstamp or Trail of Bits, and we maintain a public bug bounty program. We have secured over $500M in TVL across client projects with zero security incidents.
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