El Salvador have continued to take the lead in cryptocurrency adoption, first the country announced bitcoin as a legal tender some months ago and the latest is the official opening of a bitcoin city which will serve as a free trade zone that will house top exchanges and bitcoin mining farms. The president announced this project which is backed with a 1 billion dollars worth of bitcoin as a bond.
https://cointelegraph.com/news/el-salvador-to-inaugurate-bitcoin-city-backed-by-1b-bitcoin-bonds