While a few nations like China, Korea and US are trying try limit access of their citizens to cryptocurrencies, by imposing new regulations, a few other nations see some opportunities in it. This is how, Japan’s Financial Services Agency (FSA) endorsed 11 cryptocurrency exchanges, granting them licenses to intermediate buying and selling to Japanese customers cryptocurrencies which include Bitcoin, Ethereum, and others.
Source: http://www.cryptoanalyst.co/2017/10/01/japan-endorses-11-bitcoin-exchanges/While