ECOCERT

Technical Documentation Outline

v0.1

1. Abstract

• Real-time onchain attestation protocol for regenerative agriculture and carbon sequestration
• Combines IoT sensor streams, Chainlink oracle data, Groth16 ZK-SNARK validation, and ERC-721 soulbound token issuance on Base
• Achieves sub-cent gas cost, <60s end-to-end latency, and immutable public verification without trusted intermediaries

2. Problem Statement

• Current carbon inset and regenerative certification relies on centralized auditors, 6–12 month delays, and unverifiable paper/Excel processes
• Smallholder farmers (5–250 acres) cannot monetize verified practices due to high certification friction

3. Solution Overview

• Protocol: farmer-side web app captures geo-tagged IoT data → hashes → submits to Base smart contracts → atomic ZK verification → mints non-transferable ECOCERT soulbound token

4. Technical Architecture

4.1 Data Ingestion Layer

• Sensor integration: low-cost IoT probes

4.2 Oracle Layer

• Chainlink Functions: pulls NDVI satellite imagery, weather history, and price feeds

4.3 Verification Engine (Base Mainnet)

• Solidity v0.8.24 contracts:
• Immutable storage of hashed attestations
• Groth16 ZK-SNARK verifier for sequestration formula
• ERC-721 with EIP-5192 soulbound enforcement

4.4 Settlement & Escrow Layer

• Automated carbon credit

6. Security & Cryptographic Guarantees

• ZK-SNARK circuit: public inputs and private inputs

8. Roadmap

• 1: Base Sepolia MVP (next step)
• 2: Mainnet deployment + closed pilot expansion
• 3: Public farmer dashboard + corporate buyer portal
• 4: Governance token launch

The verifiable future of regenerative agriculture.

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