The Bitcoin is the most famous Ponzi scheme of our time.
Making difficult it to produce does not give it any actual value.
If you first name and last name is Peter Torini you can produce your own physical money in form of bills like the dollar bills with your portrait drawn on it and written on it : "To the glory of Peter Torini". And if you add to your own bills security features of all sorts that make it difficult to copy and if a central bank of a country with a serious economy does not consider it as legal mean of payment your own bills do not have any value even if it is difficult to produce.
Bitcoin as itself has no fundamental value. And you can create a copy of the current bitcoin naming in if you like :"minebetterBitcoin". And in that case why should we use as money the current bitcoin and not this copy.
The bitcoin has even a negative value because as a mean a payment it is very power hungry : its use a lot of electricity, not stored electricity (wasted electricity).