Bananacoin is a cryptocurrency that is linked to banana prices. It’s investing in Laotian banana farms in exchange for digital “tokens." One token based on Ethereum is equal to the export price of 1 kilogram of bananas. Investing in bananacoin could be for a good cause, considering the most common types of banana are endangered.
Source : https://finance.yahoo.com/news/bye-bye-bitcoin-apos-bananacoins-222251579.html