This could be actually good news for the bitcoin holders in Cuba. There will be another source of taxation for the country and they won't be hiding in shadows anymore.
The Central Bank of Cuba has recognized Bitcoin as their acceptable currency. Salvador is the first country after Cuba to recognize bitcoin directly. Gradually many countries like Cuba have bitcoin Recognition is expected.
Not yet an actual law but they're recognizing it until they make the same law as El Salvador of making it as a legal tender then that's something else. But as they recognize it and there are looking a positivity with that news, we have to find out and follow what the government of Cuba actually stands about bitcoin.