Bip39 Online. Have the expected range of COLDCARDs, select Import Current for the duration of set up and cargo exactly the same backup file on to Just about every of them. Give Every single COLDCARD its own passphrase after which lock down the seed. Your seed words won't be recognised https://social4geek.com/story4920992/bip39-passphrase-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic