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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

AI Model Training Data Privacy Marketplace

We build secure, ZK-powered marketplaces where AI developers can purchase verified training data. Our platforms ensure data privacy, usage compliance, and model integrity without exposing raw datasets.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built for scale and compliance.

We architect and deploy audit-ready smart contracts for tokens (ERC-20, ERC-721), DeFi protocols, and DAOs. Our development process is built on OpenZeppelin standards and includes comprehensive unit and integration testing.

  • Security-First: Every contract undergoes formal verification and peer review before external audit.
  • Gas Optimization: We achieve up to 40% lower gas costs through efficient architecture and assembly-level optimization.
  • Full Lifecycle Support: From initial spec to mainnet deployment and post-launch upgrade management via transparent proxy patterns.

Deliver a secure, scalable foundation for your Web3 product in as little as 3 weeks.

key-features-cards
ARCHITECTURE

Core Platform Capabilities We Build

We deliver the foundational infrastructure for secure, compliant, and scalable AI data marketplaces, enabling you to monetize training data while preserving privacy and ownership.

01

Privacy-Preserving Data Exchange Protocol

Build a marketplace where data is transacted, not transferred. We implement Zero-Knowledge Proofs (ZKPs) and Fully Homomorphic Encryption (FHE) to enable verifiable computation on encrypted datasets, ensuring raw data never leaves the owner's vault.

Zero-Trust
Data Model
ZK-SNARKs
Primary Tech
02

On-Chain Provenance & Licensing Engine

Immutable audit trail for every dataset. We develop smart contracts (ERC-721/1155) to tokenize data assets, manage complex usage rights, automate royalty payments, and provide verifiable lineage from source to model.

ERC-1155
Token Standard
Automated
Royalty Splits
03

Decentralized Compute Orchestration

Secure, scalable execution for AI training jobs. We architect systems that dispatch encrypted data to trusted execution environments (TEEs) or federated learning nodes, coordinating compute and verifying results on-chain.

TEE/FL
Execution
On-Chain
Verification
04

Compliance & Access Control Framework

Enterprise-grade governance for regulated data. We implement role-based access controls (RBAC), geofencing, GDPR/CCPA compliance tools, and KYC/AML integration directly into the marketplace logic.

GDPR Ready
Compliance
Granular RBAC
Access Control
05

High-Performance Data Indexing & Discovery

Enable efficient search across encrypted metadata. We build scalable indexing layers (using The Graph or custom subgraphs) and query engines that allow buyers to discover datasets by schema, quality score, and usage history without exposing sensitive information.

Sub-Second
Query Time
Encrypted
Metadata
06

Staking & Reputation System

Align incentives and ensure data quality. We design and deploy staking mechanisms for data providers and validators, coupled with a Sybil-resistant reputation protocol to surface high-quality datasets and penalize bad actors.

Slashable
Stakes
Sybil-Resistant
Reputation
benefits
DELIVERING TANGIBLE VALUE

Business Outcomes for Data Providers & Consumers

Our privacy-preserving marketplace infrastructure is engineered to deliver measurable results for both sides of the data economy. We focus on outcomes that directly impact your bottom line and operational efficiency.

01

Monetize Sensitive Data Without Risk

Sell training data for AI/ML models while maintaining zero-knowledge privacy. Our confidential computing enclaves and on-chain access controls ensure raw data never leaves your secure environment, enabling new revenue streams from previously unusable assets.

Zero-Knowledge
Data Privacy
TEE/HE
Security Standard
02

Access High-Quality, Verified Datasets

Procure premium, niche training data with verifiable provenance and quality attestations. Smart contracts automate licensing and payment, reducing procurement time and ensuring you get the exact data specifications required for model training.

On-Chain
Provenance
Automated
Licensing
03

Reduce Data Acquisition Costs by 40-60%

Eliminate intermediary fees and inefficient manual processes. Our peer-to-peer marketplace and automated smart contract settlements cut out traditional data broker margins, passing significant savings directly to data consumers.

40-60%
Cost Reduction
Peer-to-Peer
Model
04

Accelerate Model Development Cycles

Dramatically reduce the time spent sourcing and vetting training data. With instant access to a curated marketplace and standardized data schemas, your data science teams can focus on model iteration, not data procurement.

Weeks → Days
Procurement Time
Standardized
Data Schemas
05

Ensure Regulatory & Audit Compliance

Built-in compliance for GDPR, CCPA, and industry-specific data regulations. Every data transaction is immutably logged with consent records and usage terms, providing a clear audit trail for regulators and internal governance.

GDPR/CCPA
Compliance
Immutable
Audit Trail
06

Scale Data Operations with Smart Automation

Automate pricing, licensing, payments, and delivery with customizable smart contract logic. Scale your data marketplace operations without proportional increases in administrative overhead or support costs.

Smart Contract
Automation
Linear
Operational Scaling
From MVP to Global Marketplace

Structured Development Path to Launch

A phased approach to building a secure, scalable AI data marketplace, from initial concept to full-scale production.

Phase & DeliverablesMVP Launch (4-6 weeks)Scale & Secure (8-12 weeks)Enterprise Production (Ongoing)

Core Marketplace Smart Contracts

Data Privacy Module (ZK Proofs/MPC)

Basic

Advanced

Custom

On-Chain Reputation & Staking

Multi-Chain Deployment Support

Single Chain

2-3 Chains

Custom

Security Audit & Penetration Testing

Internal Review

Third-Party Audit

Continuous Auditing

API & SDK for Data Consumers

Basic REST API

Full SDK Suite

White-Label SDK

Automated Payout & Escrow System

Compliance Dashboard (GDPR/CCPA)

Basic Framework

Advanced Governance

Dedicated Technical Support

Email

Slack Channel

24/7 SLA & On-Call

Estimated Investment

$50K - $80K

$120K - $200K

Custom Quote

how-we-deliver
END-TO-END DELIVERY

Our ZK Marketplace Development Process

We build production-ready, privacy-preserving marketplaces for AI training data. Our battle-tested process ensures security, scalability, and a seamless launch for your platform.

01

Architecture & Protocol Design

We design the core ZK architecture, selecting the optimal proving system (e.g., zk-SNARKs via Circom, zk-STARKs) and data availability layer (EigenDA, Celestia) for your specific use case and throughput requirements.

2-4 weeks
Design Phase
Circom / Noir
Circuit Language
02

Zero-Knowledge Circuit Development

Our team builds and optimizes the core ZK circuits that prove data provenance, usage rights, and compute integrity without revealing the underlying sensitive training data.

OpenZeppelin
Audit Partner
< 1 sec
Avg. Proof Gen
03

Smart Contract & On-Chain Layer

We deploy the secure, gas-optimized smart contracts that manage marketplace logic, tokenized data assets (ERC-721/1155), escrow payments, and verifiable proof submission.

Solidity 0.8+
Language
EVM / L2
Deployment Target
04

Frontend & Developer SDK

We deliver a polished, intuitive frontend for data providers and consumers, plus a comprehensive TypeScript SDK for easy third-party integration and automation.

React / Next.js
Frontend Stack
Full API Docs
Included
05

Security Audit & Penetration Testing

Every component—from circuits to contracts—undergoes rigorous third-party security audits by firms like Trail of Bits or Spearbit, followed by internal penetration testing.

Trail of Bits
Audit Partner
Critical: 0
Guarantee
06

Deployment & DevOps

We handle the complete production deployment with CI/CD pipelines, monitoring (Grafana, Prometheus), and 99.9% uptime SLAs for your prover network and API endpoints.

99.9%
Uptime SLA
AWS / GCP
Infrastructure
security-compliance
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built for scale and compliance.

We architect and deploy custom smart contracts on EVM and Solana that are audit-ready from day one. Our process ensures your core business logic is secure, gas-optimized, and upgradeable.

  • Security-First Development: Built with OpenZeppelin standards, formal verification, and comprehensive test suites covering >95% of code paths.
  • Protocol-Specific Expertise: ERC-20/721/1155, DeFi primitives (AMMs, lending), DAO governance, and cross-chain bridges.
  • Full Lifecycle Support: From initial design and development to deployment, monitoring, and post-launch maintenance with versioning strategies.
AI Data Marketplace

Frequently Asked Questions

Common questions from CTOs and product leaders about building a secure, compliant marketplace for AI training data.

We architect marketplaces with privacy-by-design principles. Core components include zero-knowledge proofs for data validation without exposure, on-chain access control with granular permissions, and encrypted data storage solutions like IPFS with private gateways. Our smart contracts are built to enforce GDPR/CCPA data rights natively, such as the right to erasure via data hash invalidation. All code undergoes security audits by firms like Quantstamp or CertiK before mainnet deployment.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team