Executive Summary
To comply with international export standards and ensure transparent payment disbursement to smallholder growers, a major coffee cooperative union partnered with Zemen Technologies to deploy a decentralized traceability network across southern Ethiopia.
Field Constraints
Collection washing stations operate in remote rural areas with limited grid power and intermittent cellular connectivity. Traditional cloud-dependent software rendered weighing and payout operations impossible during network blackouts.
Technical Architecture
- Local SQLite & RxDB Sync: Tablet devices at rural collection hubs capture harvest weights, moisture metrics, and farmer IDs locally. Bidirectional sync triggers automatically whenever mobile data connectivity is restored.
- Batch-Level QR Traceability: Physical coffee bags receive tamper-resistant QR identifiers mapping back to harvesting dates, washing stations, and farmer collective members.
- Automated Payout Rail: Bulk settlement directly to smallholder farmers' mobile money wallets upon export lot confirmation.
Measured Results
- 18,000+ smallholder farmers registered with digital cooperative accounts.
- 100% compliance with EU and international coffee export traceability regulations.
- Payout distribution timelines accelerated from 30 days to instant mobile transfers.