nostr:npub1hcwcj72tlyk7thtyc8nq763vwrq5p2avnyeyrrlwxrzuvdl7j3usj4h9rq for mobile lightning wallets

and

nostr:npub1h2qfjpnxau9k7ja9qkf50043xfpfy8j5v60xsqryef64y44puwnq28w8ch for desktop Lightning, Onchain, ecash and Liquid wallets

Between them both, should be enough to explain Bitcoin to a new user. This should help to prepare themselves to go full self custody easily.