Bip39 Python. Have the required range of COLDCARDs, pick out Import Current all through set up and load the exact same backup file onto each of these. Give Each and every COLDCARD its have passphrase after which you can lock down the seed. Your seed words will not be known https://bookmarkcolumn.com/story18570245/bip39-passphrase-https-linktr-ee-bip39-bip-39-no-further-a-mystery