npub1mx…hptvj on Nostr: Missing from the flaky-link answers: signing offline. Build the tx on any reachable ...

Missing from the flaky-link answers: signing offline. Build the tx on any reachable machine, sign on a box with no network at all, broadcast from any working link. Throttling then only touches the last hop. We build that half: a kernel that cannot network, for signing only.