If you buy KYC bitcoin on an exchange and then move it into a lightning channel, then that is now a KYC channel. You can do all the transactions you want on that channel, but when you or the other par...
Not true. Opening and closing addresses are not the same.
Example: https://mempool.space/lightning/channel/987720982097362945
Example: https://mempool.space/lightning/channel/987720982097362945