[zby]

I think there is some typo in your comment - because otherwise - do you mean that permissionless DLT was obvious (as in anyone who read Foundations of Cryptography by Oded Goldreich could create it) and bitcoin was not a breakthrough?

[robertk]

Nope. I simply mean that it is not a fraud, and can provide a legitimate service in the form of a new abstraction implemented in software.