Fintech company Paytm founder Vijay Shekhar Sharma said on Thursday that cryptocurrencies will continue to exist, based on cryptography, the study of secure communication technologies. "I am very optimistic about cryptocurrency. It is basically based on cryptography and will become a mainstream technology in a few years, just as the Internet (now) has become a part of daily life.

Fintech company Paytm founder Vijay Shekhar Sharma said on Thursday that cryptocurrencies will continue to exist, based on cryptography, the study of secure communication technologies. "I am very optimistic about cryptocurrency. It is basically based on cryptography and will become a mainstream technology in a few years, just as the Internet (now) has become a part of daily life.