Bip39 Online. Receive the required amount of COLDCARDs, pick Import Existing all through setup and load exactly the same backup file on to each of them. Give Every COLDCARD its have passphrase and then lock down the seed. Your seed words will not be recognized to any from the gadgets https://listbell.com/story9318869/bip39-mnemonic-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39