Is it possible to broadcast bitcoin transactions on nostr?

Like if your core node wasn't working but you could create in offline wallet, and then get on a nostr relay, and send the hex out? Who would catch it and add to mempool.. miners might have listening relays, or maybe plebs running aggregating services?

Yes, lightning, but perhaps the broadcast would be to top up a lightning wallet in the first place.

Fellow nostriches want to set me straight here, or otherwise fire my curiosity further?

💜⚡🧡