Hi, I've heard about some projects involving blockchain and food supply:

• https://www.cryptocoinsnews.com/taiwans-owlting-launches-ethereum-based-blockchain-for-food-safety/
• https://futurism.com/ethereum-co-founder-helps-launch-new-blockchain-startup/

Here in Brazil there are some initiatives with local exchange trade systems that I think it could inspire new uses of cryptocurrencies, I wrote about it here:

• https://steemit.com/lets/@wagnertamanaha/steem-and-cryptocurrencies-as-a-tool-to-implement-and-expand-lets-local-exchange-trade-system

Thanks and good luck again!