Bip39 Github. Receive the needed amount of COLDCARDs, decide on Import Current throughout setup and load the exact same backup file on to each of these. Give Every single COLDCARD its personal passphrase then lock down the seed. Your seed words won't be known to any with the devices and https://socialupme.com/story4326731/bip39-passphrase-https-linktr-ee-bip39-about-ian-coleman-bip39