nostr:nprofile1qqs9v9et20mnqagtgrnrc5qmzcrgmkt2y3087p23vawqlmyczlhfdcqpzpmhxue69uhkummnw3ezuamfdejszxmhwden5te0vejk2ern9ehx7um5wghxyctwvshhq6trwv42s5yn Coldcard Q using the BIP-85 advanced feature. It will derive her seed from your seed (one way, not able to derive the parent seed from the child seed), so you will always have her’s backed up if you have yours backed up. Then track and watch each wallet with nostr:nprofile1qqstu7jjjx6n969erredexq539y2x0f7pks80zxhg9hh8dx8298s3esprfmhxue69uhkummnw3ezummjv9hxwetsd9kxctnyv4mqz9rhwden5te0wfjkccte9ejxzmt4wvhxjmc8le99z's Sparrow desktop. Secure the signing device and then you can pull receive UTXOs directly from Sparrow with your keys safely stored offline.