Because it is an insanely interesting problem to try and solve technically.
That is, a medium of exchange is essential to a modern economy and yet how to objectively regulate the supply of that medium of exchange without exploitation can be considered somewhat of a paradox. The quest is to solve the paradox via ever evolving technological solutions.
That is, a medium of exchange is essential to a modern economy and yet how to objectively regulate the supply of that medium of exchange without exploitation can be considered somewhat of a paradox. The quest is to solve the paradox via ever evolving technological solutions.