Bip39 Checksum. Have the necessary amount of COLDCARDs, pick out Import Existing throughout setup and cargo a similar backup file on to each of these. Give each COLDCARD its individual passphrase and after that lock down the seed. Your seed words won't be known to any of the products and https://socialdummies.com/story4067128/bip39-word-list-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic