What Vitalik Buterin has done at just 19 years old is a milestone in the crypto world. Smart contracts have made human work so easy that in certain cases we transact without any doubt. Essentially smart contracts contribute a lot to reduce suspicion of others, correct transactions and fraud. You have presented this matter so beautifully that I think everyone can understand and benefit from it.
Vitalik buterin is really a talented guy. He made smart contract at the age of 19. Now lot of coin using this theory. Such an amazing work he did.
Yeap!