3DPrint.com has a nice article summarizing recent research into the use of blockchain technology to manage 3D Printing processes.
A quote:
Blockchain is thought to be one of the more important technologies in the future for many market domains, mainly due to its pure storage of transactions. Companies attempting to adopt technology like 3D printing have several challenges in doing so, such as training employees, costly investments at the start, and especially, as the paper puts it, “the risk of unused capacity at low capacity utilization.”
Full article: https://3dprint.com/222679/blockchain-architecture-research/