Yep, and all they'd see is encrypted garbage, unless they have encryption keys, if the messages are end-to-end encrypted. That's the whole point.
There are ways to do this on IRC (e.g. libfish), but no idea how that crypto actually stacks up by todays standards.
Yep, and they would have the encryption keys, for most channels, if the channels are to remain public, no?
Yep, and all they'd see is encrypted garbage, unless they have encryption keys, if the messages are end-to-end encrypted. That's the whole point.
There are ways to do this on IRC (e.g. libfish), but no idea how that crypto actually stacks up by todays standards.