Blockchain in Supply Chain & Logistics: Real World Implementations
Salman Haider
TelGates Team
Supply chains are notoriously opaque. Blockchain technology is providing a single source of truth for global logistics.
1. Track and Trace
By logging every step of a product's journey on a blockchain, companies can prove authenticity. For example, luxury brands use NFTs to track items from manufacturing to the retail shelf, allowing consumers to scan a QR code and verify authenticity.
2. IoT Integration
For cold-chain logistics (pharmaceuticals, food), IoT sensors monitor temperature and humidity. This data is written directly to smart contracts. If a shipment of vaccines exceeds the safe temperature range, the smart contract automatically flags the batch as compromised.
3. Automated Trade Finance
Letters of Credit take days to process manually. Smart contracts automate this: 1. Goods are loaded onto a ship; IoT sensors confirm. 2. Customs clears the goods; an oracle feeds this data to the chain. 3. The smart contract instantly releases payment from the buyer's escrow to the supplier.
Private vs Public Chains
Most supply chain implementations use permissioned blockchains like Hyperledger Fabric or Quorum. These provide the benefits of blockchain (immutability, shared ledger) without exposing sensitive business data to the public.