Walmart is urging the fresh produce sector to collaborate and build transparency into the supply chain by using ‘blockchain’ technology. The technology uses a digitized system to track food from farm to fork. Using their old system, it took Walmart six days and 18 hours to trace a package of mangoes all the way back to the farm. With the IBM blockchan software, it would only take them 2.2 seconds. For the blockchain system to be optimally effective, it must be used as widely as possible. Click to read the full article here.