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The common approach is: "I have the solution, the blockchain. What do I have to do to fit the problem to my solution?".
While it is, in fact, the other way around: "I need a database with transparency, immutability, security, etc. What are the available solutions? Will blockchain do it?"
When thinking like this, most people will realize that they don't need blockchain at all at their industries.
While you're making a point but I'll not fully agree with you , where you say that block chain is not designed for other industries.
You may need to explain this further. To me block chain is a a software or digital technology that promises immutability and transparency. Such technology should help to solve some problems that border around the above.