Some believe that the volatility of cryptos is something negative, but I don't think so, since this characteristic of cryptos can be used to take advantage of downturns knowing that (depending on the cryptocurrency) it will be susceptible to increase its price eventually. On the other hand what good is 'stable' to fiat if they can't control inflation, in fact, no matter what country or currency you use it always goes down in value with respect to all the goods and services you need, for example: 10 years ago what could you buy with 1 US$ and with 1 BTC, now move the same question to today's date. Greetings.