Yup. Cryptographically signed Usenet, so spamming requires the overhead of creating a new identity per... something. Unfortunately, creating a new identity is s

Yup. Cryptographically signed Usenet, so spamming requires the overhead of creating a new identity per... something. Unfortunately, creating a new identity is still effectively free, so spamming will exist. Social problems need to be solved by social arrangements and supported by technical tooling.