> Requiring strong proof that the message is authentic before sending
"Before Sending" is the lynchpin here.
The receiver needs to be performing verification, and have the ability to blacklist sources.
Which requires distributed infra.
Some sort of chain... of blocks, that would require distributed consensus before the message would go out? Hmm...
Some sort of chain... of blocks, that would require distributed consensus before the message would go out? Hmm...