The Republic of the Marshall Islands is planning a national cryptocurrency named 'The Sovereign', to be released later this year. The Marshall Islands currently uses the US Dollar as their national currency, but the parliament just recently voted to introduce this new cryptocurrency (SOV) as legal tender in the country.
As described in the SOV media kit:
This comes at the same time as Venezuela just launched their own currency, the Petro.
More and more countries are now adopting or considering cryptocurrencies as legal tender, which further legitimizes the role of currencies such as Bitcoin and Ethereum in the global economy.