In Health Care devices, Manufacturing test, Security systems and many other areas, it would be ideal to record both the sensor values and operations logs in an immutable ledger.
A big international company manufacturing wood harvesting machines which is running through comprehensive test runs in three different locations. Normally these test runs takes a lot of resources in terms of time, money and people. The company is using blockchain because it enables them to speed up the whole process, monitoring, verifying the results. Importantly, test results are considered sensitive and confidential from the business point of view. Test results will be available as-is basis according to the pre-defined test plans proofing the test result in authentic way without falsifying results. Test results conducted in different circumstances can be sent in ledgers to company's Quality assurance unit to verify and compare the results.