 Smart manufacturing faces two serious challenges to its industrial IoT big data integrity, real-time transaction monitoring and peer validation due to the volume and velocity dimensions of big data in industrial IoT infrastructures. Modern blockchain technologies as an embedded layer substantially address these challenges to empower the capabilities of the IIoT layer to meet the integrity requirements of the big data layer. This article was offered by Mazen Juma, Fuad Alitar, and Basin Tukan.