What's an xpub, a zpub and the difference between the two? nostr:npub1ltt9gry09lf2z6396rvzmk2a8wkh3yx5xhgkjzzg5znh62yr53rs0hk97y explains

https://x.com/parman_the/status/1809998837563671022

If you create a wallet via Sparrow you can export a printable PDF with an output descriptor QR code, that you can store with your seed backup. Then you do not have to guess what kind of addresses you were generating when recovering a wallet (including address type, xpub/zpub, derivation path, private key fingerprint). Can also be stored digitally in BSMS format, but mind the privacy implications if it gets stolen. Storing this output descriptor is mandatory for multisig wallets, but also useful for single sig.