According to my professor, she has been watching Crypto for over 10 years and has not seen a single practical implementation yet and she thinks Crypto has no future. How would you convince her otherwise?

She gave us an assignment with the following questions:

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• What is the statement and the positions of the international organizations to cryptocurrencies?
• What about national governments and financial institutions?
• How can the development be evaluated?•can you find one use-case for crypto that makes or world a better place for all?
• Can you find one use-case for blockchain technology that makes or world a better place for all?
• Share examples best case- worst case
  

May the force be with you !

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I thought to myself, where else could I find expertise if not here in this subforum. If you feel like it or are bored, you can leave your opinion.