Bip39 Checksum. Have the necessary number of COLDCARDs, select Import Existing in the course of setup and load exactly the same backup file on to Each individual of them. Give Every COLDCARD its have passphrase then lock down the seed. Your seed words will not be recognised to any on https://thesocialdelight.com/story4416143/bip39-wallet-https-linktr-ee-bip39-top-guidelines-of-bip39-words