Some of the most memorable images of the late Diana, Princess of Wales, show her wearing a protective suit while touring a minefield in Angola in 1997 to raise awareness of the devastating effects of land mines.
Cryptocurrency is not bound by geography because it is internet based; its transactions are stored in a database called blockchain, which is a group of connected computers that record transactions in a ledger in real time.
In the 2017 World Happiness Report by Gallup, African countries score poorly. Of the 150 countries on the list, the Central African Republic, Tanzania and Burundi rank as the unhappiest countries in the world.