The past year in the global economy was marked by a crypto-currency. New technologies, such as blockchain, capture the world, becoming embedded in everyday life.
The technology of "blockchain" and crypto-currencies became popular just in 2017, because a critical mass of people was reached that speak and know about it.
Rightly, then a certain level of penetration of the technology itself was achieved in those spheres of society that are familiar and understandable to people.