There is no guarantee that when the data is entered into the blockchain, it is the correct data. Farmer A says "it's not rotten on sep 24 2018". Sure, the rec

There is no guarantee that when the data is entered into the blockchain, it is the correct data. Farmer A says "it's not rotten on sep 24 2018". Sure, the record can't be edited ever and is publicly viewable, but that data point, if it's even correct, is insufficient. Either Farmer A lies and it actually is rotten, or the fruit goes rotten in transport (fruit do this at different times depending on many different variables like heat and day of picking).