Bip39 Passphrase. Receive the expected variety of COLDCARDs, pick Import Existing during set up and load the same backup file onto Just about every of them. Give Each individual COLDCARD its possess passphrase then lock down the seed. Your seed words will not be recognized to any with the gadgets https://thesocialdelight.com/story4256099/ian-coleman-bip39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39