Countries like El Salvador and not so recently The Central African Republic are Trail Blazers in the aforementioned.
Bitcoin is no more a legal tender in Central African Republic and
it happened not long
whenafter it was adopted as a legal tender 3 years ago or so. Also El Salvador
as rescindhad rescinded bitcoin as a legal tender as instructed by IMF, although
ELEl Salvador is still very friendly to bitcoin and it is still used like a legal tender.
What is stopping it's gradual integration?
Because bitcoin does not need to bocome a legal tender before you can use it as one.