This will all be gradual, for example, as with mobile phones, only by 2020 almost every person will have a mobile phone. In order for a cryptocurrency to be used in everyday life, it is necessary to go through more stages of development, then maybe in 5 years we will see results.
The cryptocurrency market is very large and interesting. Electronic currency is the future of the world. And it is very convenient and profitable. Altcoins develop the market, they have great potential and very soon, we will buy goods in stores for altcoins.