This invention describes an industrial controller configured to use blockchain technology for tracking components and machines within an industrial facility or supply chain. The controller executes an industrial control program and manages secure, tamper-proof records of manufacturing statistics, product history, or machine usage. It can also create different versions of these blockchain records with varying access permissions for public and private data.
Why it matters: Since 2018, enterprise blockchain platforms have matured, simplifying integration with industrial control systems. Increased adoption of industrial IoT and edge computing makes distributed ledger implementation on factory floors more practical.
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