We architect and deploy production-ready smart contracts that form the unbreakable foundation of your application. Our development process is built on security-first principles, utilizing battle-tested patterns from OpenZeppelin and rigorous internal audits before any code reaches the mainnet.
LABS
Services
StarkNet Validity Proofs for Auditable Air Pollution Data
We develop scalable, transparent DePIN networks using StarkNet's Cairo and validity proofs to create a mathematically verifiable ledger for high-frequency environmental data, enabling efficient public auditability.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contract development to power your Web3 product.
From custom tokenomics to complex DeFi logic, we turn your product specification into gas-optimized, secure Solidity or Vyper code.
- Custom Logic: Develop
ERC-20,ERC-721,ERC-1155, and bespoke contracts for DeFi, NFTs, DAOs, and more. - Security & Audits: Multi-stage review process, including formal verification and third-party audit preparation.
- Full Lifecycle: Development, testing (
Hardhat/Foundry), deployment, and upgrade management via transparent proxies. - Guaranteed Outcomes: Deliver a fully audited MVP in as little as 3 weeks with clear documentation and ownership transfer.
key-features-cards
AUDITABLE DATA INFRASTRUCTURE
Core Technical Capabilities We Deliver
We architect and deploy production-grade systems that transform raw sensor data into immutable, verifiable proof on StarkNet, enabling transparent environmental accountability.
05
Real-Time Dashboards & API Gateways
Deliver customizable front-end dashboards and secure APIs that allow stakeholders to query verified pollution data, generate compliance reports, and monitor attestation status in real-time.
REST & GraphQL
API Support
Real-Time
Data Visualization
06
Security & Compliance Architecture
Design systems with regulatory compliance (e.g., environmental reporting standards) as a first principle. Our architecture includes multi-sig controls, role-based access, and comprehensive audit logging for enterprise clients.
SOC 2 Framework
Security Model
Role-Based
Access Control
benefits
TANGIBLE IMPACT
Business Outcomes for Environmental Projects
Move beyond theoretical ESG claims. Our StarkNet-based validity proofs deliver verifiable, auditable data that drives real business value and stakeholder trust.
01
Regulatory Compliance & Reporting
Generate immutable, ZK-verified pollution data logs that satisfy stringent environmental regulations (e.g., EU ETS, SEC climate rules). Eliminate manual reporting errors and audit costs.
100%
Data Integrity
90%
Audit Cost Reduction
02
Carbon Credit Monetization
Create high-integrity carbon offsets with transparent, fraud-proof provenance. Our proofs enable direct integration with major registries and DeFi carbon markets for efficient asset issuance and trading.
Real-time
Credit Verification
>95%
Fraud Prevention
03
Supply Chain Transparency
Provide stakeholders with a cryptographically secure trail of environmental impact across your entire supply chain. Prove Scope 3 emissions and sustainable sourcing to partners and consumers.
End-to-end
Audit Trail
Immutable
Data History
04
Investor & Stakeholder Confidence
Offer real-time, proof-backed dashboards for ESG metrics. Attract green financing and satisfy investor due diligence with data that is mathematically verifiable and impossible to falsify.
Live
Data Feeds
ZK-Proof
Verification Standard
05
Operational Efficiency & Cost Savings
Automate data collection and validation from IoT sensors, replacing manual processes. Reduce administrative overhead and identify inefficiencies with granular, trusted analytics.
70%
Process Automation
Sub-cent
Verification Cost
06
Future-Proof Data Infrastructure
Build on StarkNet's scalable validity rollup. Our architecture ensures your environmental data platform can handle global scale with minimal transaction fees while remaining interoperable with evolving Web3 standards.
>1000 TPS
System Scalability
Ethereum L1
Security Guarantee
StarkNet Validity Proofs for Environmental Data
Phased Development & Integration Tiers
A structured roadmap for integrating auditable air pollution data proofs, from initial proof-of-concept to full-scale enterprise deployment.
| Capability | Proof-of-Concept | Production-Ready | Enterprise Scale |
|---|---|---|---|
StarkNet Cairo Smart Contract Development | |||
Validity Proof Circuit Design for Sensor Data | Basic (1-2 metrics) | Comprehensive (5+ metrics) | Custom Multi-Source |
On-Chain Data Attestation & Verification | |||
Real-Time Data Oracle Integration | |||
Historical Data Proof Generation (Backfill) | Up to 1 year | Unlimited with archival | |
API & SDK for Data Consumers | Read-only API | Full SDK with Webhooks | White-label Dashboard + SDK |
Security Audit & Formal Verification | Basic Review | Full Audit Report | Audit + Ongoing Bug Bounty |
SLA & Infrastructure Support | Best Effort | 99.5% Uptime, 12h Response | 99.9% Uptime, 1h Response, Dedicated Engineer |
Implementation Timeline | 4-6 weeks | 8-12 weeks | 12+ weeks (Custom) |
Estimated Investment | $25K - $50K | $80K - $150K | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development Process
A transparent, security-first approach to building verifiable environmental data systems on StarkNet. We deliver production-ready validity proofs with clear milestones and expert guidance.
01
Requirements & Protocol Design
We collaborate with your team to define the data schema, attestation logic, and proof requirements. We architect the optimal Cairo smart contract and off-chain prover structure for your specific pollution metrics (e.g., PM2.5, NOx).
1-2 weeks
Design Phase
100%
Requirements Lock
02
Cairo Smart Contract Development
Our certified Cairo developers build the core verifier and state management contracts. We implement custom logic for data batching, attestation validation, and proof verification, ensuring gas efficiency and StarkNet compatibility.
Solidity 0.8+
Security Base
OpenZeppelin
Audited Patterns
03
Prover System & Data Pipeline
We develop the off-chain component that generates STARK proofs from sensor data. This includes building robust data ingestion, proof computation orchestration, and secure submission to the StarkNet sequencer.
Sub-Second
Proof Generation
99.9% SLA
Pipeline Uptime
05
Testnet Deployment & Integration
We deploy the full system to StarkNet testnet and integrate with your front-end or API. We execute comprehensive testing with simulated sensor data to validate end-to-end proof flow and user permissions.
Goerli/Testnet
Deployment Target
Full E2E
Test Suite
06
Mainnet Launch & Ongoing Support
We manage the mainnet deployment and provide monitoring dashboards for proof volume and system health. Our team offers ongoing support for upgrades, scaling, and integrating new data sources.
24/7
Monitoring
SLA-Backed
Support
StarkNet Validity Proofs for Environmental Data
Frequently Asked Questions
Get clear answers on how we deliver auditable, on-chain air pollution data solutions for enterprises and regulators.
Our engagement follows a proven 4-phase methodology: 1) Data Source Audit & Schema Design – We assess your sensor/IoT data feeds and design a ZK-optimized data schema. 2) Prover Development & Circuit Optimization – We build custom Cairo programs to generate validity proofs for your specific data attestations. 3) On-Chain Integration & Smart Contract Deployment – We deploy verifier contracts on StarkNet and set up the data publishing layer. 4) Monitoring Dashboard & API Delivery – You receive a frontend to monitor proof generation and an API for third-party verification. We manage the entire technical stack from data ingestion to on-chain verification.
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