The father of modern cryptography" Whitfield Diffie: not very clear about the future development of blockchain

According to the news that the country is a through train, recently, "Father of Modern Cryptography" Whitfield Diffie said in an interview, "Do we review the development of the current blockchain in the future, just like the current role of the World Wide Web 20 years ago, I I don't know. There is another factor in determining the future of the blockchain, that is, it will become a small crowd, a tool used by professionals, or a tool used by the public. I don't know, but this is the influencing factor. ""