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.
There are now many people who pursuing for us to have cashless society. They know that there are many characteristics of cryptocurrencies that they can use as advantages like being convenient, it is user friendly and especially it is decentralized.