Bip39. Receive the required amount of COLDCARDs, pick Import Existing for the duration of set up and cargo a similar backup file on to each of them. Give Every single COLDCARD its own passphrase after which lock down the seed. Your seed words will not be recognized to any on https://kingslists.com/story20304221/bip39-wallets-https-linktr-ee-bip39-bip39-words-an-overview