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A comment on Ask HN: What are real-life useful use-cases for blockchain (not currencies)?. Parent comment

Re:Ask HN: What are real-life useful use-cases for blockchai... by swiley on Saturday October 24, 2020 @07:27PM (#24882704)
The ROM on most modern ECUs is cryptographicly protected isn't it? (I know it is on my 2006 Toyota Carola because I've looked at replacing it.)

It would require cooperation from auto manufacturers but I'm sure you could come up with a scheme where the car itself signs and timestamps mileage data.

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