Regarding using a channel, that's an interesting idea. As for rate limiting, that would have to be instituted at the relay level in the same way spam is. Maybe you'd need to pay a small sat fee to post. That would certainly prevent most spammers.
Regarding using a channel, that's an interesting idea. As for rate limiting, that would have to be instituted at the relay level in the same way spam is. Maybe you'd need to pay a small sat fee to post. That would certainly prevent most spammers.