that would be too long, but the resume could be: Basically there would be 3 large groups of countries, Japan where bitcoin is already official currency and where some companies even pay salaries in bitcoin, another extreme Chinese where a week ago they have banned and then the rest that are either in the regulatory phase or control

i paste here this decent article (1 year old) so you see it in prespective:
https://www.cambio16.com/cambio-financiero/paises-que-han-legalizado-las-criptomonedas/