This is very possible. The Blockchain technology is a revolutionary one with a lot of significance. As the people become more familiar with it, the adoption and utilization of the Blockchain and cryptocurrency will increase which will gradually lead the world to cashless.
Absolutely! The discovery of blockchain is a great step in opening new discoveries and inventions. As time goes by we are becoming more and more advance. And like what you said, probably we will end into a cashess society, everything will run through the internet, life will be more easy and our daily routine will go as fast as those digital systems.