The true value of any currency is what you can do with it. If someone owns some coin and wants to buy some food to feed their family, the seller of the food fir

The true value of any currency is what you can do with it. If someone owns some coin and wants to buy some food to feed their family, the seller of the food first has to accept the coin, but regardless what value the rest of the world places on the coin, the seller of the product is still in control of what they will accept. I am not sure how using a cryptocurrency solves the problem of hyperinflation. It is still not going to be cheap or easy to purchase items in the areas these problems exist. I think your other points about access to banking and storing/transferring money are valid. It implies the person has a working mobile phone and access to a network though too.