In many countries there was a period of high volatility of national fiat currencies, this complicated the exchange of goods, but did not abolish it. So the volatility of the crypto-currency is not too big a problem to participate in the commodity exchange, the problem of exchanging them for the fiat is much more important.
It means all currencies in each different country is having a volatile which is this complicated in the exchange of goods where is the fiat is can determine the fixed value of goods. Cryptocurrency that high volatile like bitcoin as of now adapting to some countries but it is not the main assets of this currency by its a value exchange. As of now, it is used as an investment that makes profitable to the people not focusing on exchange.