This whole real life case study shows that cryptocurrency won't get adopted in poor countries (because of lack of electricty). It will get adopted in rich countries - rich regulated countries.
But, we could not rule out the possibility for the country's innovation, it is still possible for them to cope up and improve their society in the future rendering a solution for the black outs in the country. With the said dollarization, the chance for economic growth is great solving their problem with electricity. Crypto currency in Venezuela would be possible in the future.