I think that this technology will be implemented much faster than 10-15 years, because it is still popular, it is useful and will be even more with development of crypt
Every day the blockchain technology is becoming more and more common. I think that in the coming years we will see the implementation of this technology in almost all areas of our life.
I am really looking forward to see when all the cryptocurrencies can unite in order to get something so powerful.. one day it will happen