We architect and build purpose-built blockchain solutions from the ground up. Our full-cycle development delivers production-ready systems, not just code.
LABS
Services
Validium-Powered Data Marketplace Development
We build scalable, secure data marketplaces using Validium Layer 2 technology. Our solutions deliver verifiable data provenance, granular access control, and enterprise-grade auditability for data exchange and computation.
Chainscore © 2026
overview
FROM ARCHITECTURE TO DEPLOYMENT
Custom Blockchain Development
End-to-end development of bespoke blockchain networks and smart contract systems tailored to your business logic.
- Layer 1 & 2 Networks: Custom
SubstrateorCosmos SDKchains, EVM-compatible rollups, and app-specific sidechains. - Smart Contract Suites: Secure, gas-optimized contracts in
Solidity,Rust, orMovewith comprehensive testing. - Full-Stack Integration: Seamless APIs, indexers, and frontends to connect your blockchain to existing infrastructure.
- Deployment & DevOps: Automated CI/CD, node orchestration, and monitoring for 99.9% uptime SLA.
We deliver a fully operational mainnet in 8-12 weeks, complete with documentation, security audit reports, and a dedicated validator set.
key-features-cards
ARCHITECTURE & EXECUTION
Core Technical Capabilities
We build production-ready data marketplaces on Validium, delivering enterprise-grade scalability, security, and interoperability from day one.
01
Validium Layer-2 Architecture
Deploy a high-throughput data marketplace with off-chain data availability. Achieve 10,000+ TPS with near-zero gas fees for data submissions, while maintaining Ethereum-level security for settlement.
10,000+ TPS
Transaction Throughput
$0.001
Avg. Data Tx Cost
02
Zero-Knowledge Proof Integration
Implement zk-SNARK/STARK circuits for private data validation and integrity proofs. Enable verifiable computations without exposing raw data, ensuring compliance with data sovereignty regulations.
< 5 min
Proof Generation
256-bit
Security Level
04
Smart Contract Suite
Custom ERC-20/721/1155 contracts for data tokens, governance, and rewards. Built with Solidity 0.8+ and OpenZeppelin libraries, fully audited for security and gas efficiency.
3+ Audits
Security Reviews
30%
Avg. Gas Savings
06
Enterprise-Grade APIs
REST and GraphQL APIs for easy integration with existing enterprise systems. Includes webhook support for real-time event notifications and comprehensive developer documentation.
99.9%
API Uptime SLA
< 100ms
P95 Response Time
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Platform
We deliver a production-ready, secure, and scalable data marketplace. Here are the concrete outcomes and guarantees you can expect from our Validium-powered development service.
01
Production-Ready Core Infrastructure
Deploy a fully functional marketplace with user onboarding, data listing, and payment settlement modules. Built on a custom Validium rollup for high throughput and privacy.
Key Deliverables: Smart contract suite, off-chain data availability layer, and a responsive web interface.
< 3 weeks
MVP Deployment
> 2,000 TPS
Peak Throughput
02
Enterprise-Grade Security & Audits
Your marketplace is built with security-first principles. All core smart contracts undergo a formal audit by a leading security firm before mainnet deployment.
Key Deliverables: Audit report from firms like Trail of Bits or Quantstamp, and a comprehensive bug bounty program setup.
2+ Audits
Pre-Launch
Zero Critical
Audit Findings Goal
03
Optimized Transaction Economics
Leverage Validium's off-chain data availability to reduce user transaction costs by over 90% compared to Layer 1. We implement gas optimization patterns and batch processing.
Key Deliverables: Cost analysis dashboard and configurable fee models for data providers and consumers.
> 90%
Cost Reduction
< $0.01
Avg. Tx Cost
04
Scalable Data Availability Layer
A dedicated, high-performance data availability committee (DAC) or decentralized network ensures your marketplace can scale to millions of data points without compromising security or speed.
Key Deliverables: Custom DAC setup or integration with networks like EigenDA, with 99.9% uptime SLA.
99.9%
Uptime SLA
< 2 sec
Data Finality
05
Compliance-Ready Architecture
Build with regulatory considerations in mind. Our architecture supports privacy-preserving transactions and provides tools for data provenance and access control, aiding in GDPR and other compliance frameworks.
Key Deliverables: Role-based access control (RBAC), data encryption modules, and audit trail generation.
ZK-Proofs
Privacy Option
Full Audit Trail
Built-in
06
Ongoing Support & Monitoring
Receive 6 months of post-launch support including infrastructure monitoring, performance optimization, and minor feature updates. We ensure your marketplace operates smoothly from day one.
Key Deliverables: 24/7 monitoring dashboard, monthly performance reports, and a dedicated technical account manager.
6 Months
Included Support
< 1 hour
Critical Response Time
Architectural Trade-offs for Data Marketplaces
Validium Marketplace vs. Alternatives
A technical comparison of core infrastructure choices for building a scalable, secure data marketplace. This table highlights the operational and economic trade-offs between a Validium-based solution and traditional approaches.
| Feature / Specification | Traditional L1 (e.g., Ethereum) | Optimistic Rollup | Validium-Powered Marketplace |
|---|---|---|---|
Data Availability Layer | On-chain (expensive) | On-chain (expensive) | Off-chain (Chainscore DAC) |
Transaction Throughput (TPS) | < 30 | ~2,000 |
|
Transaction Cost for Users | High ($5-$50+) | Medium ($0.10-$1) | Ultra-low (< $0.01) |
Time to Finality | ~5 minutes | ~1 week (challenge period) | < 2 seconds |
Data Privacy for Listings | None (fully public) | None (fully public) | Optional (encrypted metadata) |
Security Model | Maximum (Ethereum L1) | High (fraud proofs) | High (validity proofs + DAC) |
Time to Launch (Development) | 3-6 months | 4-8 months | 8-12 weeks (with Chainscore) |
Infrastructure Maintenance | Your team | Your team + sequencer | Fully managed by Chainscore |
Typical Year 1 Total Cost | $300K - $1M+ | $200K - $600K | $80K - $250K (managed service) |
how-we-deliver
PROVEN METHODOLOGY
Our Development Process
A structured, security-first approach to building high-performance data marketplaces. We deliver production-ready systems with clear milestones and transparent communication.
01
Discovery & Architecture Design
We analyze your data model, tokenomics, and compliance requirements to architect a custom Validium solution. This phase defines the core data schema, fee structures, and integration points for a scalable foundation.
1-2 weeks
Design Phase
3+ options
Architecture Reviewed
02
Core Smart Contract Development
Development of secure, gas-optimized smart contracts for data listing, access control, and payment settlement. Built with Solidity 0.8+ and OpenZeppelin libraries, following industry security patterns.
OpenZeppelin
Security Standard
ERC-20/721
Token Standards
03
Validium Node & Data Layer
Deployment and configuration of the off-chain Validium data availability layer. We ensure high-throughput data posting, secure state transitions, and reliable integration with the chosen L1/L2 for settlement.
> 10k TPS
Off-chain Capacity
ZK-proofs
Data Integrity
04
Frontend & API Integration
Building the user-facing marketplace interface and developer APIs. We create intuitive dashboards for data providers/consumers and robust REST/GraphQL APIs for programmatic access.
React/Next.js
Frontend Stack
GraphQL
API Standard
05
Security Audit & Penetration Testing
Comprehensive third-party smart contract audit and infrastructure penetration testing. We engage with leading security firms to identify and remediate vulnerabilities before mainnet deployment.
2+ Auditors
Independent Review
Critical = 0
Audit Target
06
Deployment & DevOps
Production deployment with automated CI/CD pipelines, monitoring, and alerting. We provide 24/7 infrastructure monitoring, performance dashboards, and detailed operational runbooks for your team.
99.9% SLA
Uptime Guarantee
< 1 hour
Recovery Time
tech-stack
BUILT FOR SCALE & SECURITY
Technology & Protocol Stack
Our Validium-powered data marketplace development leverages a battle-tested, modular technology stack designed for enterprise-grade security, high throughput, and seamless integration.
Validium-Powered Data Marketplace
Frequently Asked Questions
Get clear answers on development timelines, costs, security, and support for your custom data marketplace.
From initial design to mainnet launch, a typical project takes 6-10 weeks. This includes 2 weeks for architecture and smart contract design, 3-4 weeks for core development and integration, 1-2 weeks for security audits, and 1-2 weeks for deployment and final testing. We use agile sprints to deliver a functional MVP in as little as 4 weeks.
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