> You could have done this 20 years ago with public/private keys, certificate authority and ah yeah i think you know how our ca system works right? :P This com

> You could have done this 20 years ago with public/private keys, certificate authority and ah yeah i think you know how our ca system works right? :P This comment made me chuckle a little bit because blockchain has been around since at least 2009, which was ~15 years ago.