How many people use cryptocurrencies in Cuba?

I'm curious to know, how prevalent is the use of cryptocurrencies in Cuba? Are there many individuals and businesses actively adopting and utilizing digital currencies such as Bitcoin or Ethereum within the country? Given the unique economic and political landscape of Cuba, I'm wondering if the adoption rates differ significantly from other nations. Can you provide an overview of the current state of cryptocurrency usage in Cuba, including any notable trends or challenges that may be influencing its adoption?