A recent conference paper from the computer sciences field (here – purchase required) reports a pilot use of blockchain to record a Tunisian olive oil supply chain. The authors used the Ethereum Blockchain to program a smart contract. This smart contract allowed them to configure our system to follow the manufacturing process of olive oil from the farmer through the oil factory to the customer. They present a general-purpose approach for the oil supply chain management, proposing a system that can be configured for productions. They propose a general methodology that can be applied to similar applications. It is based on general smart contracts and apps interacting with the same smart contracts. Internet-of-Things (IoT) sensors are the data source for the supply chain process.
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