Today, Jay Heizer and Barry Render delve into the topic of blockchain, which is a topic in Chapter 11, Supply Chain Management. We will talk about its cryptocurrency origins and the work of Gerber, Nestle, Unilever, Walmart, and IBM to create a blockchain system called Food Trust. We also discuss blockchain’s shortcomings and how both shipping giant Maersk and retail giant Walmart have had to cut back on their original goals dramatically.