How Does Channel Announcement Come Into Play?

Tli: channel announcement is where you say, this is the channel announcement. Contains four signatures, two that commit to he im this note se there's two notes. And so if you have a signature from each of them, you've proof that they can spend it. You don't know that they can controlapele. They do to the pub keys that are listed in the ut x o. Tli: "It's really brilliant, isn't it? It really is"