It seems like everyone is getting into blockchain these days. After all, companies claim to like "transparency", "security", and anything to do with the roller coaster ride that is Bitcoin. But consider this: Tuna.
There are now several blockchain-based projects that aim to stop illegal tuna fishing. The idea is that blockchain-verification would assure consumers and others that the fish were ethically sourced. Or maybe it's just PR, who knows.
Blockchain is essentially a shared digital database that can be updated, but stored entries can't be changed or deleted. It's prohibitively hard to fake information that's tracked using blockchain. In this case, it can certify that something is legit and ethically sourced, such as tuna. Visser and Hanich continue:
Tracking will start as soon as the tuna is caught. Once a fish is landed, it will be attached with a reusable RFID tag on the vessel. Devices fitted on the vessel, at the dock and in the processing factory will then detect the tags and automatically upload information to the blockchain.