Have you heard of this? Walmart is starting to use blockchain technology to help with product quality and shipping or something. I still don't understand what blockchain means but I heard Walmart is going to start to use it.
"Wal-Mart Tackles Food Safety With Trial of Blockchain" :
https://www.bloomberg.com/news/articles/2016-11-18/wal-mart-tackles-food-safety-with-test-of-blockchain-technology