These events taking place in Venezuela can only have consequences mainly for the residents of Venezuela, because their local central cryptocurrency El-Petro goes mainly in this country, although you can buy it in other countries. True, the US government has banned its citizens from buying and using this coin, since it is mainly used as a means of circumventing US sanctions against the same Venezuela.
The decision of President Maduro to pay a pension in El-Petro will be a good experience about whether the cryptocurrency can displace ordinary money so much and whether the population is ready for it.