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You specifically talked about "already" and "bitcoin":

> But there are countries in Africa who can already do better by simply leapfrogging to bitcoin and ditching their national currencies.

Also: The concern about infeasability in everyday life is network based and not a shortcoming of bitcoin. So it's not dependent on the coin you are using.

All other points seem to be inherent to public blockchains, so it is quite the leap of faith to believe they are fixed in any public blockchain cryptocurrency.




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