It's hard for me to imagine that in Africa, crypto currencies may soon develop. In many more developed countries, little is known about bitcoin. It seems to me that this country is not ready for bitcoin
It seems to me that you're talking rubbish.
Country? Africa is a continent, if you're talking about Africa a a country I suggest that before saying anything else or giving advice you start learning a bit about the outside world.
Let's make it this way: Geography then Economics.
I think people in Africa will love the concept of bitcoins. If something new and unknown but trusted and popular is being introduced then it will surely be embraced by population. Africa would embrace it positively because local currency there is cheap and if bitcoin is introduced then people will earn more money. Holding one bitcoin would be like holding a 8 figures of salary in Africa due to it's trade volume in Africa. Believe it or not you can read about it and do some math to know more. 
I'm at a loss when you say unknown and trusted.
How can you trust something unknown?
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Africa would embrace it positively because local currency there is cheap
Local currency is cheap...
What the hell are you talking about? This makes no sense. 1 usd is cheaper than 1 euro which is cheaper than a gbp ... so???
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Holding one bitcoin would be like holding a 8 figures of salary in Africa due to it's trade volume in Africa
Trading volume which is 0.