For these small countries having their own currency is out of the question, and because they are tax havens, they need a SOUND currency. So yes, if the dollar is in trouble, I can see these tax havens switch to bitcoin.
A lot of countries and territories are using Dollar or Euro as a national currency.
Example with the Euro. Countries currently using the euro: (https://www.thoughtco.com/what-countries-use-the-euro-1435138)
Andorra (not an EU member)
Monaco (not in the EU)
Montenegro (not in the EU)
San Marino (not in the EU)
Vatican City (not in the EU)
Territories that use the euro:
Akrotiri and Dhekelia (British territory)
French Southern and Antarctic Lands
Saint Bathelemy (overseas collectivity of France)
Saint Martin (overseas collectivity of France)
Saint Pierre and Miquelon (overseas collectivity of France)
You realize you're not contradicting her but rather helping her point
Andorra (76.965) , Monaco (38.695) , Montenegro (622.359) , San Marino (33.400) , Vatican (1000)
All of them combined have lee people than one major city like Valencia?
And the territories....common
Akrotiri and Dhekelia is a military base with zero population, French Southern and Antarctic Lands has zero population, Saint Bathelemy has 9000,
Saint Martin has barely 40 000 and Saint Pierre and Miquelon barely 6000.
A single building in France has more than 10% of that.
No, you would have fared been far better by mentioning the currencies that are pegged to the euro through the ERM mechanism like Denmark.
Bulgaria also, not part of the ERM still has it's currency pegged to the euro.
Also, as a PS
I don't know how it sounds in other languages but for me "Bitocin" sounds like a cartoon name, funny as hell.
Probably something like Topolino in Italian.