Distributed Automation and enshrined oracles solve for this
“This is why bananas on a blockchain don’t work.”
— nostr:npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc, Memes vs The World 
Discussion
Whoever enforces ownership of the bananas is the source of truth. Once this is established, they will assert their authority and use a database instead.