The blockchain technology was first used to build Bitcoin and has since been adopted by many fields of life, as Charles has enumerated a few of them. The blockchain can also be used for voting systems (which Nigeria desperately needs) because it cannot be manipulated or altered. However, it is now widely used for smart contracts.
Just as Igebotz don talk and as the name carry am and as e evern translate literally, blockchain (block + chain) na technology way dey concerned with taking records in a systematic order way be say, dem just join body dey go. E dey take records in a way e go be say, to change am dey impossible or to manipulate am in some kind way no go fit happen.
So, e no really dey focused on cryptocurrency shah except say, we as people, we dey more likely to associate some kind innovation based on the technology way bring them come. Like, when person hear cryptocurrency, one of the first thing way go enter en mind na bitcoin. Na so e still be with blockchain.
Where e good say something dey na em be say, we nation don dey wake up to the arising for the world around us and with that, them go come to know plenty.