SECURE DATA STORAGE AND SERVICE AUTOMATION FOR CYBER PHYSICAL PRODUCTION SYSTEMS THROUGH DISTRIBUTED LEDGER TECHNOLOGIES

Secure data storage and service automation for cyber physical production systems through distributed ledger technologies

In this paper, we use the blockchain technology to design a prototype to secure process data from a 3D-printer.Datastreams are gathered from various sources such as OPC UA Butt servers and autonomous retrofit sensor nodes.This is followed by pre-processing for data reduction, storage in a data model, and the generation of a unique hash value over i

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