We provide dedicated, high-availability nodes for EVM chains (Ethereum, Polygon, Arbitrum) and Solana, ensuring 99.9% uptime and sub-second response times for your dApps and trading platforms.
LABS
Services
EVM-Based Data Marketplace Development
We build secure, composable data marketplaces on Ethereum and compatible L2s using battle-tested Solidity smart contracts, focusing on interoperability with the DeFi ecosystem and standardized token models.
Chainscore © 2026
overview
ENTERPRISE-GRADE
Blockchain Infrastructure for FinTechs
Reliable, scalable node infrastructure and APIs to power your Web3 applications.
Focus on your product logic, not infrastructure management. We handle the complexity of node orchestration, upgrades, and monitoring.
- Managed RPC/API Endpoints: Secure, load-balanced access with rate limiting and analytics.
- Real-time Data Feeds: Indexed event logs, transaction histories, and wallet activity.
- Enhanced APIs: Pre-built endpoints for token balances, NFT metadata, and gas estimation to accelerate development by 40%.
key-features-cards
BUILDING THE DATA PIPELINE
Core Technical Capabilities
We architect and deploy secure, scalable data marketplaces on EVM chains. Our full-stack development delivers production-ready infrastructure from smart contracts to user interfaces.
01
Smart Contract Development
Custom ERC-20, ERC-721, and ERC-1155 contracts for data tokens and access rights. Built with Solidity 0.8+ and OpenZeppelin security patterns, featuring gas optimization and upgradeability via proxies.
100%
OpenZeppelin Audited
< 2 weeks
Initial Build
02
Oracle & Data Feeds
Secure integration with Chainlink, Pyth, and custom oracles for verifiable off-chain data. We implement decentralized price feeds and randomness for fair marketplace mechanics.
< 1 sec
Update Latency
99.9%
Feed Reliability
03
Scalable Backend Infrastructure
Node.js/Python backends with event listeners for on-chain data. We build indexed databases (PostgreSQL/GraphQL) for fast querying of transactions, listings, and user activity.
10k+ TPS
Event Processing
99.9%
Uptime SLA
04
Frontend & SDK Integration
React/Next.js dApp interfaces with Web3.js/Ethers.js integration. We provide developer SDKs for easy marketplace API access and wallet connectivity (MetaMask, WalletConnect).
2-4 weeks
UI Development
5+
Wallet Providers
05
Security & Auditing
Comprehensive smart contract audits using static analysis and manual review. We implement multi-sig governance, timelocks, and follow security best practices for financial-grade applications.
3rd Party
Audit Mandatory
Zero
Critical Bugs Shipped
06
Deployment & DevOps
Automated CI/CD pipelines for Ethereum, Polygon, and other EVM L2s. We configure monitoring, alerting, and node infrastructure (Alchemy, Infura) for mainnet readiness.
< 1 day
Mainnet Launch
24/7
Monitoring
benefits
TANGIBLE RESULTS
Business Outcomes You Can Measure
Our EVM data marketplace development delivers quantifiable business value, from accelerated time-to-market to provable security. Here’s what you can expect.
01
Accelerated Time-to-Market
Go from concept to live marketplace in under 8 weeks with our battle-tested framework and pre-audited smart contract modules, reducing your development cycle by 60-70%.
< 8 weeks
From concept to launch
60-70%
Faster development
02
Enterprise-Grade Security
Launch with confidence. Every core smart contract is audited by leading security firms like CertiK or ConsenSys Diligence, with a formal verification process for critical logic.
100%
Core contracts audited
Formal Verification
For critical modules
03
Optimized Transaction Economics
Maximize user adoption with gas-optimized contracts and efficient data indexing. Our architecture typically reduces user transaction costs by 30-50% compared to unaudited first builds.
30-50%
Lower user gas costs
Sub-2s
Query latency
04
Scalable Data Infrastructure
Handle millions of data points and queries daily. Our systems are built for 99.9% uptime with horizontally scalable indexers and decentralized storage integrations like IPFS/Arweave.
99.9%
Infrastructure uptime SLA
Millions/day
Data point capacity
05
Seamless Multi-Chain Deployment
Deploy your marketplace across Ethereum, Polygon, Arbitrum, and Base from a single codebase. Our cross-chain architecture future-proofs your product and expands your addressable market.
4+
Supported EVM chains
Single Codebase
Unified deployment
06
Compliance-Ready Architecture
Build with regulatory foresight. Our designs incorporate on-chain access controls, data provenance tracking, and privacy layers (e.g., zk-SNARKs) to simplify future compliance requirements.
Granular
On-chain access control
Full Audit Trail
Data provenance
Structured Roadmap to Production
Phased Development Tiers
A modular approach to building and scaling your EVM data marketplace, from MVP to enterprise-grade platform.
| Core Component | Launch Tier | Growth Tier | Enterprise Tier |
|---|---|---|---|
Custom Data Schema & Smart Contracts | |||
On-Chain Data Validation Module | |||
Basic Query Engine & API | |||
Multi-Chain Deployment (Ethereum + 1 L2) | |||
Advanced Oracle Integration (Chainlink, Pyth) | |||
Real-Time Data Streaming & Indexing | |||
Custom Tokenomics & Staking Contracts | |||
Decentralized Governance Module (DAO) | |||
Dedicated Infrastructure & 24/7 SRE Support | |||
Typical Timeline | 6-8 weeks | 10-14 weeks | 16+ weeks |
Estimated Investment | From $50K | From $120K | Custom Quote |
tech-stack
BUILT FOR SCALE & SECURITY
Our Technology & Protocol Stack
We deliver production-ready data marketplaces on battle-tested EVM infrastructure. Our stack is engineered for high-throughput, secure data transactions and seamless integration with the DeFi ecosystem.
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process is built on security-first principles, utilizing audited libraries like OpenZeppelin and rigorous testing frameworks to mitigate risks before mainnet deployment.
- Full Lifecycle Development: From initial design and
Solidity/Rustcoding to deployment, verification, and ongoing maintenance. - Compliance & Standards: Implementation of major token standards (
ERC-20,ERC-721,ERC-1155) and custom logic for regulated assets. - Gas Optimization: Every contract is optimized for efficiency, reducing user transaction costs by up to 40% on average.
- Security Audits: Integration with top audit firms and internal review processes to ensure enterprise-grade security.
Deliver a battle-tested, auditable smart contract system in as little as 4 weeks, accelerating your time-to-market while ensuring fund safety and protocol integrity.
EVM Data Marketplace Development
Frequently Asked Questions
Get clear answers on timelines, costs, security, and our development process for building a custom, production-ready EVM data marketplace.
A core marketplace MVP with data listing, purchasing, and settlement can be deployed in 4-6 weeks. Full-featured platforms with advanced monetization, governance, and cross-chain capabilities typically take 8-14 weeks. We provide a detailed sprint-by-sprint roadmap after the initial discovery phase.
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