[raghavtoshniwal]

The author of the tweet has the original message, that can be shared and verified against the hash

[notahappycamper]

So it only provides repudiation of the sender, and only if they can share the original message through some secure channel? That isn't even a signature, let alone encryption

[O_H_E]

I am failing to recognise the use case (Beside the learning dimension which is great).