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I would say, it would help break the barriers of monopolism some African countries have.

But power up is limited to hivers right or is there any I don't know of

Well, yes if you are talking about hive blockchain obviously, because to power up the hive token is to "stake" it under your account.

Other blockchains can also stake... but I don't think they "call it" powering up... instead, they commonly use the word "stake".

Let me know if I miss understood you.