1 upvotes, 0 direct replies (showing 0)
View submission: Lightning Network Megathread
You don't need to be online for the channel to be open, although, to conduct a txn, you need to be online.
However, it is recommended that you stay online to examine attacks that try to steal your funds. You can also outsource the job to a third-party, but then the protocol becomes trusted, and no longer trustless.
There's nothing here!